Please upload file using POST with 'image' parameter{"id":8707,"date":"2022-01-07T07:25:53","date_gmt":"2022-01-07T07:25:53","guid":{"rendered":"http:\/\/161.200.80.230:8000\/?p=8707"},"modified":"2026-02-16T07:48:26","modified_gmt":"2026-02-16T07:48:26","slug":"prof-orathai-chavalparit-ph-d","status":"publish","type":"post","link":"https:\/\/env.eng.chula.ac.th\/?p=8707","title":{"rendered":"Prof. Orathai Chavalparit, Ph.D.\u00a0"},"content":{"rendered":"<div>\n<h2><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9027\" src=\"https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1.jpg\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" srcset=\"https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1.jpg 2560w, https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1-300x225.jpg 300w, https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1-768x576.jpg 768w, https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1-1024x768.jpg 1024w, https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1-1536x1151.jpg 1536w, https:\/\/env.eng.chula.ac.th\/wp-content\/uploads\/2022\/01\/Orathai-scaled-1-2048x1535.jpg 2048w\" alt=\"\" width=\"2560\" height=\"1919\"><\/h2>\n<div>\n<h2><b>Prof. Orathai Chavalparit, Ph.D.&nbsp;<\/b><\/h2>\n<p><b>E-mail: <\/b><a href=\"mailto:Orathai.c@chula.ac.th\"><span style=\"font-weight: 400;\">Orathai.c@chula.ac.th&nbsp;&nbsp;<\/span><\/a><\/p>\n<\/div>\n<\/div>\n<p><b>Education<\/b><\/p>\n<p><span style=\"font-weight: 400;\">2009Ph.D Energy, Environmental and Chemical Engineering, Washington University in St. Louis<\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">2001 M.Sc. Environmental Engineering, University of Colorado at Boulder <\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\"><br \/><\/span><span style=\"font-weight: 400;\">1998 B.Eng. Environmental Engineering, Chulalongkorn University&nbsp;&nbsp;<\/span><\/p>\n<p><b>Publication<\/b><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Dutta, A., Chavalparit, O.<\/span><b> Unmasking the veil of PM2. 5 pollution: A comprehensive analysis of health effects, economic losses, and environmental implications in North Indian States<\/b><span \n                        style=\"font-weight: 400;\"> 2025, Ecotoxicology and Environmental Safety 292<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Samitthiwetcharong, Sutisa., Chavalparit, Orathai., Suwanteep, Kultip., Murayama, Takehiko., Kullavanijaya, Pratin.<\/span><b> Enhancing circular plastic waste management: Reducing GHG emissions and increasing economic value in Rayong province, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2024, Heliyon 10<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Dutta, Abhishek., Chandra, Utpal., Chavalparit, Orathai., Dutta, Gautam., Limphitakphong, Nantamol., Gupta, Manoj., Nanthaamornphong, Aziz.<\/span><b> Optimizing prevention strategies for PM2. 5-related health risks in Nakhon Ratchasima<\/b><span \n                        style=\"font-weight: 400;\"> 2024, Environmental and Sustainability Indicators 21<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Praradorntham, T., Chavalparit, O.<\/span><b> Addressing Food Loss and Waste: A Study of Milk Loss in Pasteurized Milk Factory<\/b><span \n                        style=\"font-weight: 400;\"> 2024, International Conference on Resources and Environmental Research<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Niyommaneerat, W., Suwanteep, K., Chavalparit, O.<\/span><b> Sustainability indicators to achieve a circular economy: A case study of renewable energy and plastic waste recycling corporate social responsibility (CSR) projects in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2023, Journal of Cleaner Production 391<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Samitthiwetcharong, S., Kullavanijaya, P., Suwanteep, K., Chavalparit, O.<\/span><b> Towards sustainability through the circular economy of plastic packaging waste management in Rayong Province, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2023, Journal of Material Cycles and Waste Management 25 (4)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Dutta, A., Chavalparit, O.<\/span><b> Assessment of health burden due to the emissions of fine particulate matter from motor vehicles: A case of Nakhon Ratchasima province, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2023, Science of the Total Environment 872<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Phupadtong, A., Chavalparit, O., Suwanteep, K., Murayama, T.<\/span><b> Municipal emission pathways and economic performance toward net-zero emissions: A case study of Nakhon Ratchasima municipality, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2023, Journal of Environmental Management 347<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Wichaiutcha, N., Dutta, A., Chavalparit, O.<\/span><b> Life Cycle Assessment of Plastic Resin: A Case Study of the Petrochemical Industry in Thailand for the Production of HDPE Resin<\/b><span \n                        style=\"font-weight: 400;\"> 2023, Applied Environmental Research 45 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, Parnuwat., Tuntiwiwattanapun, Nattapong., Polburee, Pirapan., Veerakul, Prakan., Seekao, Chaiyaporn., Chavalparit, Orathai.<\/span><b> Transition pathway palm oil research framework toward a bio-circular-green economy model using SWOT analysis: a case study of Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2022, Frontiers in Environmental Science 10<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Kullavanijaya, P., Chavalparit, O.<\/span><b> Biomethanation of napier grass mono-digestion in single-stage anaerobic completely stirred tank reactors seeded with cow manure and anaerobic sludge<\/b><span \n                        style=\"font-weight: 400;\"> 2022, Bioenergy Research 15 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Hirunsupachote, S., Kullavanijaya, P., Chavalparit, O.<\/span><b> Biomethanation potential and enhancement of Acacia leaves waste via pretreatment and Co-digestion strategy<\/b><span \n                        style=\"font-weight: 400;\"> 2022, Journal of Ecological Engineering 23 (5)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> An Assessment of Environmental Impact of Gas Flaring in Thailand: A Case Studies of Petrochemical Industry<\/b><span \n                        style=\"font-weight: 400;\"> 2022, The 11th Rajamangala University of Technology International Conference<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e24\u0e17\u0e31\u0e22\u0e2a\u0e32\u0e22\u0e23\u0e31\u0e15\u0e19\u0e4c, \u0e17\u0e31\u0e28\u0e19\u0e32\u0e27\u0e25\u0e31\u0e22\u0e2d\u0e38\u0e11\u0e32\u0e23 \u0e2a\u0e01\u0e38\u0e25, \u0e23\u0e13\u0e1a\u0e23\u0e23\u0e08\u0e1a\u0e2d\u0e20\u0e34\u0e23\u0e15\u0e34\u0e01\u0e38\u0e25<\/span><b> \u0e01\u0e32\u0e23\u0e1b\u0e23\u0e30\u0e40\u0e21\u0e34\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e01\u0e4a\u0e32\u0e0b\u0e40\u0e23\u0e37\u0e2d\u0e19\u0e01\u0e23\u0e30\u0e08\u0e01\u0e08\u0e32\u0e01\u0e01\u0e32\u0e23\u0e14\u0e33\u0e40\u0e19\u0e34\u0e19\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e1a\u0e23\u0e34\u0e29\u0e31\u0e17\u0e27\u0e2d\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e2d\u0e34\u0e19\u0e40\u0e14\u0e47\u0e01\u0e0b\u0e4c\u0e41\u0e2d\u0e19\u0e14\u0e4c\u0e04\u0e2d\u0e19\u0e0b\u0e31\u0e25 \u0e41\u0e17\u0e19\u0e17\u0e4c\u0e08\u0e33\u0e01\u0e31\u0e14<\/b><span \n                        style=\"font-weight: 400;\"> 2022, Proceedings National &#038; International Conference 15 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Sillberg, CV., Kullavanijaya, P., Chavalparit, O.<\/span><b> Water quality classification by integration of attribute-realization and support vector machine for the Chao Phraya River<\/b><span \n                        style=\"font-weight: 400;\"> 2021, Journal of Ecological Engineering 22 (9)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Phapant, P., Dutta, A., Chavalparit, O.<\/span><b> COVID-19 experience transforming the protective environment of office buildings and spaces<\/b><span \n                        style=\"font-weight: 400;\"> 2021, Sustainability 13 (24)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Kullavanijaya, P., Chavalparit, O.<\/span><b> The effect of ensiling and alkaline pretreatment on anaerobic acidification of Napier grass in the leached bed process<\/b><span \n                        style=\"font-weight: 400;\"> 2020, Environmental Engineering Research 25 (5)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Ongwandee, Maneerat., Namepol, Kan., Yongprapat, Kamolchai., Homwuttiwong, Sahalaph., Pattiya, Adisak., Morris, John., Chavalparit, Orathai.<\/span><b> Coal bottom ash use in traditional ceramic production: evaluation of engineering properties and indoor air pollution removal ability<\/b><span \n                        style=\"font-weight: 400;\"> 2020, Journal of Material Cycles and Waste Management 22<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Limphitakphong, Nantamol., Thaipradit, Pipat., Kanchanapiya, Premrudee., Tantisattayakul, Thanapol., Chavalparit, Orathai.<\/span><b> Embodied carbon emissions of construction materials: a case study of buildings in thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2020, GEOMATE Journal 18<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Srivichai, P., Chavalparit, O.<\/span><b> Optimization of biogas production from co-digestion of waste activated sludge and modified tapioca starch sludge<\/b><span \n                        style=\"font-weight: 400;\"> 2020, GEOMATE Journal 18 (67)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Srivichai, P., Chavalparit, O.<\/span><b> Co-digestion of modified tapioca starch sludge and shrimp pond sediment as a method to improve system stability and biogas production<\/b><span \n                        style=\"font-weight: 400;\"> 2020, ScienceAsia 46 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Ittiprasert, K., Chavalparit, O.<\/span><b> Sustainable waste utilization for the petrochemical industry in Thailand under circular economy principle: a case study.<\/b><span \n                        style=\"font-weight: 400;\"> 2020, <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">N Wichai-Utcha, Chavalparit, O.<\/span><b> 3Rs Policy and plastic waste management in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2019, Journal of Material Cycles and Waste Management 21 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Kullavanijaya, Pratin., Chavalparit, Orathai.<\/span><b> The production of volatile fatty acids from Napier grass via an anaerobic leach bed process: The influence of leachate dilution, inoculum, recirculation, and buffering agent addition<\/b><span \n                        style=\"font-weight: 400;\"> 2019, Journal of Environmental Chemical Engineering 7<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Samitthiwetcharong, S., Chavalparit, O.<\/span><b> Enhancement of methane production from alkaline pretreated poly (lactic acid) waste by the co-digestion process<\/b><span \n                        style=\"font-weight: 400;\"> 2019, Geomate Journal 16 (56)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Hirunsupachote, S., Chavalparit, O.<\/span><b> Predicting the biomethanation potential of some lignocellulosic feedstocks using linear regression models: the effect of pretreatment<\/b><span \n                        style=\"font-weight: 400;\"> 2019, KSCE Journal of Civil Engineering 23 (4)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Limphitakphong, N., Chaikatetham, N., Khaimook, T., Chavalparit, O.<\/span><b> Performance of air conditioning system in educational building for energy conservation<\/b><span \n                        style=\"font-weight: 400;\"> 2019, GEOMATE Journal 16 (56)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chanpla, M., Kullavanijaya, P., Janejadkarn, A., Chavalparit, O.<\/span><b> Effect of harvesting age and performance evaluation on biogasification from Napier grass in separated stages process<\/b><span \n                        style=\"font-weight: 400;\"> 2018, KSCE Journal of Civil Engineering 22 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Sasananan, S., Kullavanijaya, P., Charoenwuttichai, C.<\/span><b> Anaerobic co-digestion of hydrolysate from alkali pre-treated oil palm empty fruit bunches with biodiesel waste glycerol<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Journal of Material Cycles and Waste Management 20 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Monjaiang, Paron., Limphitakphong, Nantamol., Kanchanapiya, Premrudee., Tantisattayakul, Thanapol., Chavalparit, Orathai.<\/span><b> Assessing potential of rainwater harvesting: Case study building in Bangkok<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Int. J. Environ. Sci. Dev 9<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Niyommaneerat, W., Boonpramote, T., Chavalparit, O.<\/span><b> External auditing of corporate social responsibility projects: Case study of CSR projects for energy company in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Advances in Cleaner Production. 7th International Workshop<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Thaipradit, Pipat., Limphitakphong, Nantamol., Kanchanapiya, Premrudee., Tantisattayakul, Thanapol., Chavalparit, Orathai.<\/span><b> The influence of building envelop materials on its life cycle performance: a case study of educational building in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Key Engineering Materials 780<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Promuppatum, Napatsawan., Kongpann, Apichart., Boonpramote, Thitisak., Wangnai, Chinnapong., Chavalparit, Orathai.<\/span><b> Evaluation of CSR Project from the Economic, Environmental and Social Performances Monitoring by Using the Case Study of Renewable Energy for a Community Project in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2018,  <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Phupadtong, Athitinon., Limphitakphong, Nantamol., Kanchanapiya, Premrudee., Tantisattayakul, Thanapol., Chavalparit, Orathai.<\/span><b> The assessment of the environmental and economic performances for improving existing educational building: a case study of Bangkok, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2018, International Journal of Sustainable Energy Development <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Putthakasem, N., Limphitakphong, N., Chavalparit, O.<\/span><b> Scenarios of municipal solid waste management for mitigating greenhouse gas emission: a case study of supermarket in Bangkok, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Proceedings of the 7th International Conference on Informatics<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Abubakar, MK., Ademoh, OA.<\/span><b> COMPARATIVE PLANKTON SURVEY AND PHYSICOCHEMICAL ASSESSMENT OF TWO PONDS IN KANO METROPOLIS, NIGERIA<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Eurasian Journal of Analytical Chemistry 13 (3)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Hirunsupachote, S., Chavalparit, O., Tungsudjawong, K.<\/span><b> Modification of the anaerobic digestion model No. 1 (ADM1) for lignocellulosic biomass<\/b><span \n                        style=\"font-weight: 400;\"> 2018, Eurasian Journal of Analytical Chemistry 13 (3)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Treenate, P., Limphitakphong, N., Chavalparit, O.<\/span><b> A complete life cycle assessment of high density polyethylene plastic bottle<\/b><span \n                        style=\"font-weight: 400;\"> 2017, IOP Conference series: materials science and engineering 222 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> Life cycle assessment of producing electricity in Thailand: a case study of natural gas power plant<\/b><span \n                        style=\"font-weight: 400;\"> 2017, MATEC Web of Conferences 103<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> Life cycle assessment of bio-sludge for disposal with different alternative waste management scenarios: a case study of an olefin factory in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2017, Journal of Material Cycles and Waste Management 19 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> A start-up MRV system for an emission trading scheme in Thailand: A case study in the petrochemical industry<\/b><span \n                        style=\"font-weight: 400;\"> 2017, Journal of cleaner production 142<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Bangprasit, P., Chavalparit, O., Usapein, P.<\/span><b> Life cycle assessment of Napier Pakchong 1 grass as a feedstock for anaerobic digestion to produce electricity: A case study in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2017, 2017 International Conference on Green Energy and Applications (ICGEA)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Samitthiwetcharong, S., Kullavanijaya, P., Chavalparit, O.<\/span><b> Anaerobic biodegradation of polylactic acid under mesophilic condition using thermal-alkaline pretreatment<\/b><span \n                        style=\"font-weight: 400;\"> 2017, IOP Conference Series: Materials Science and Engineering 222 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Homchuen, K., Anuwattana, R., Limphitakphong, N., Chavalparit, O.<\/span><b> Toward Zero Waste to landfill: an effective method for recycling zeolite waste from refinery industry<\/b><span \n                        style=\"font-weight: 400;\"> 2017, IOP Conference Series: Materials Science and Engineering 222 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Ruangrit, C., Usapein, P., Limphitakphong, N., Chavalparit, O.<\/span><b> Evaluation of the environmental impact of portion bag for food packaging: a case study of Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2017, IOP Conference series: earth and environmental science 67 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Suwanpahu, G., Tantisattayakul, T., Limphitakphong, N., Chavalparit, O.<\/span><b> Greenhouse gases reduction assessment from energy efficiency improvement: Case study of power generation and distribution<\/b><span \n                        style=\"font-weight: 400;\"> 2017, Materials Science Forum 886<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Niyomthongchai, D., Limphitakphong, N., Chavalparit, O.<\/span><b> Reusing Rockwool Insulation Waste as Plant Substrate: A Case Study of Flase Heather (Cuphea hyssopifoliaHumb.)<\/b><span \n                        style=\"font-weight: 400;\"> 2017, Materials Science Forum 886<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Kittipongvises, S., Chavalparit, O., Sutthirat, C.<\/span><b> Greenhouse gases and energy intensity of granite rock mining operations in Thailand: A case of industrial rock-construction<\/b><span \n                        style=\"font-weight: 400;\"> 2016, Rigas Tehniskas Universitates Zinatniskie Raksti 18<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Tantisattayakul, Thanapol., Soontharothai, Jindarporn., Limphitakphong, Nantamol., Pharino, Chanathip., Chavalparit, Orathai., Kanchanapiya, Premrudee.<\/span><b> Assessment of energy efficiency measures in the petrochemical industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2016, Journal of Cleaner Production 137<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chaiyapong, P., Chavalparit, O.<\/span><b> Enhancement of biogas production potential from Acacia leaf waste using alkaline pre-treatment and co-digestion<\/b><span \n                        style=\"font-weight: 400;\"> 2016, Journal of Material Cycles and Waste Management 18 (3)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Tantisattayakul, T., Pharino, C., Chavalparit, O., Kanchanapiya, P.<\/span><b> Energy, environmental, and economic analysis of energy conservation measures in Thailand&#8217;s upstream petrochemical industry<\/b><span \n                        style=\"font-weight: 400;\"> 2016, Energy for Sustainable Development 34<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chuapet, Wasamon., Limphitakphong, Nantamol., Tantisattayakul, Thanapol., Kanchanapiya, Premrudee., Chavalparit, Orathai.<\/span><b> A study of energy intensity and carbon intensity from olefin plants in thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2016, MATEC Web of Conferences 68<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Bunyamanid, Y., Limphitakphong, N., Chavalparit, O., Tantisattayakul, T.<\/span><b> An analysis of energy and carbon intensities and exergy efficiency in natural gas combined-cycle power plants: A case study of Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2016, MATEC Web of Conferences 68<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> Evaluating the performance of 3R options to reduce landfill wastes using the 3R indicator (3RI): case study of polyethylene factories in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2015, Journal of Material Cycles and Waste Management 17 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Arthasarnprasit, S., Chavalparit, O.<\/span><b> Response surface optimization of electro-oxidation removal of disperse red 163 and reactive red 196 synthetic wastewater<\/b><span \n                        style=\"font-weight: 400;\"> 2015, 3rd international conference on biological<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chaiyapong, P., Chavalparit, O.<\/span><b> Enhancement of Biogas Production from Acacia Hybrid Leave using Alkaline Pretreatment<\/b><span \n                        style=\"font-weight: 400;\"> 2015, 3RINCs 2015<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> Options for sustainable industrial waste management toward zero landfill waste in a high-density polyethylene (HDPE) factory in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Journal of material cycles and waste management 16 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Janejadkarn, Apiwaj., Chavalparit, Orathai.<\/span><b> Biogas production from Napier grass (Pak Chong 1)(pennisetum purpureum\u00d7 pennisetum americanum)<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Advanced Materials Research 856<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> Development of sustainable waste management toward zero landfill waste for the petrochemical industry in Thailand using a comprehensive 3R methodology: A case study<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Waste management &#038; research 32 (6)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Kanchanapiya, P., Limphitakphong, N., Pharino, C., Chavalparit, O.<\/span><b> Evaluation of greenhouse gas emissions and reduction from the petrochemical industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Greenhouse Gas Measurement and Management 4 (2-4)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Wongsirathat, C., Chavalparit, O.<\/span><b> Utilization of sulfur waste from petroleum refinery for sulfur concrete<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Advanced Materials Research 856<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Srisang, N., Chavalparit, O.<\/span><b> Enhancing biogas production from sugarcane bagasse using steam explosion in according with acetic acid pretreatment<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Advanced Materials Research 856<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Buasomboon, T., Chavalparit, O.<\/span><b> Utilization of Cellular Glass Insulation Waste in Construction Materials<\/b><span \n                        style=\"font-weight: 400;\"> 2014, Applied Environmental Research 36 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Ongwandee, M., Trangkaprasith, K.<\/span><b> Production of pelletized fuel from biodiesel-production wastes: oil palm fronds and crude glycerin<\/b><span \n                        style=\"font-weight: 400;\"> 2013, Engineering Journal 17 (4)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Janangkakan, B., Chavalparit, O., Kanchanapiya, P.<\/span><b> Carbon footprint of an academic organization: A case study of the department of environmental of environmental engineering, Chulalongkorn University<\/b><span \n                        style=\"font-weight: 400;\"> 2012, Applied Environmental Research 34 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Laobussararak, B., Chulalaksananukul, W., Chavalparit, O.<\/span><b> Comparison of bacterial and yeast ethanol fermentation yield from rice straw<\/b><span \n                        style=\"font-weight: 400;\"> 2012, Advanced Materials Research 347<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Sukchum, P., Chulalaksananukul, W., Chavalparit, O.<\/span><b> Effect of thermo-chemical pretreatment on bioethanol production from corncobs<\/b><span \n                        style=\"font-weight: 400;\"> 2012, Advanced Materials Research 347<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Phukingngam, D., Chavalparit, O., Somchai, D., Ongwandee, M.<\/span><b> Anaerobic baffled reactor treatment of biodiesel-processing wastewater with high strength of methanol and glycerol: reactor performance and biogas production<\/b><span \n                        style=\"font-weight: 400;\"> 2011, Chemical papers 65 (5)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Tumsri, K., Chavalparit, O.<\/span><b> Optimizing electrocoagulation-electroflotation process for algae removal<\/b><span \n                        style=\"font-weight: 400;\"> 2011, 2nd International Conference on Environmenta l Science and Technology IPCBEE 6<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Ongwandee, M., Chavalparit, O.<\/span><b> Commuter exposure to BTEX in public transportation modes in Bangkok, Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2010, Journal of Environmental Sciences 22 (3)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chaiyaomporn, K., Chavalparit, O.<\/span><b> Fuel pellets production from biodiesel waste<\/b><span \n                        style=\"font-weight: 400;\"> 2010, Environ Asia 3 (1)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Trangkaprasith, K., Chavalparit, O.<\/span><b> Heating value enhancement of fuel pellets from frond of oil palm<\/b><span \n                        style=\"font-weight: 400;\"> 2010, Proceedings of International Conference on Biology<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Raghareutai, T., Chavalparit, O., Ongwandee, M.<\/span><b> Development of environmental sustainability for the biodiesel industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2010, International Journal of Sustainable Development &#038; World Ecology 17 (5)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Jaitalee, L., Dararat, S., Chavalparit, O.<\/span><b> Bio-hydrogen production potential from market waste<\/b><span \n                        style=\"font-weight: 400;\"> 2010, Environment Asia 3 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Ongwandee, M.<\/span><b> Optimizing electrocoagulation process for the treatment of biodiesel wastewater using response surface methodology<\/b><span \n                        style=\"font-weight: 400;\"> 2009, Journal of Environmental Sciences 21 (11)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Ongwandee, M.<\/span><b> Clean technology for the tapioca starch industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2009, Journal of Cleaner Production 17 (2)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Srirangsan, A., Ongwandee, M., Chavalparit, O.<\/span><b> Treatment of biodiesel wastewater by electrocoagulation process.<\/b><span \n                        style=\"font-weight: 400;\"> 2009, <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Raghareutai, T.<\/span><b> Option for environmental sustainability of the biodiesel industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2009, Joint Actions on Climate Change<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Ongwandee, M., Thaweesuwanporn, P.<\/span><b> Removal of heavy metals from COD analysis wastewater with an organic precipitant<\/b><span \n                        style=\"font-weight: 400;\"> 2008, Science Asia 34<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">CHAVALPARIT, O., Rulkens, WH., Mol, APJ., Khaodhair, S.<\/span><b> OPTIONS FOR ENVIRONMENTAL SUSTAINABILITY OF THE CRUDE PALM OIL INDUSTRY IN THAILAND THROUGH ENHANCEMENT OF INDUSTRIAL ECOSYSTEMS: O. CHAVALPARIT ET AL.<\/b><span \n                        style=\"font-weight: 400;\"> 2006, Environment<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O.<\/span><b> Clean technology for the crude palm oil industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2006, PQDT-Global<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O.<\/span><b> Clean Technology for the Crude Palm Oil Industry in Thailand, PhD ThesisWageningen University<\/b><span \n                        style=\"font-weight: 400;\"> 2006, ISBN 90-\u20108504-\u2010446-\u20104<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Mol, APJ., Rulkens, WH.<\/span><b> A Comparison of the Palm Oil Industry in Thailand and Malaysia.<\/b><span \n                        style=\"font-weight: 400;\"> 2006, International INREF-AGITS Conference<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O.<\/span><b> Optimization of clean technology practices for the Thai crude palm oil industry<\/b><span \n                        style=\"font-weight: 400;\"> 2004, <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O.<\/span><b> Industrial ecosystems in the crude palm oil industry in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 2003, INREF-AGITS Conference<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Panswad, T., Chavalparit, O., Chandung, C., Anotai, J.<\/span><b> Economic considerations of chromium recovery from tanning wastewater<\/b><span \n                        style=\"font-weight: 400;\"> 2001, Waste management &#038; research 19 (5)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Panswad, T., Chavalparit, O.<\/span><b> Water quality and occurrences of protozoa and metazoa in two constructed wetlands treating different wastewaters in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 1997, Water Science and Technology 36 (12)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Panswad, T.<\/span><b> Appropriate Technology: Water Quality and Occurences of Protozoa and Metazoa in Two Constructed Wetlands Treating Different Wastewaters in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 1997, \uc81c 6 \ucc28 \uad6d\uc81c\uc218\uc9c8\ubcf4\uc804\ud559\ud68c \uc544\uc2dc\uc544 \ud0dc\ud3c9\uc591\uc9c0\uc5ed \ud559\uc220\ud68c\uc758 1<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Panswad, T., Chavalparit, O.<\/span><b> Preliminary observations on physical, chemical and zoological aspects in constructed wetlands in Thailand<\/b><span \n                        style=\"font-weight: 400;\"> 1996, <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Panswad, T., Chavalparit, O., Sucharittham, Y., Charoenwisedsin, S.<\/span><b> A bench-scale study on chromium recovery from tanning wastewater<\/b><span \n                        style=\"font-weight: 400;\"> 1995, Water Science and Technology 31 (9)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Jaitalee, L., Dararat, S., Chavalparit, O.<\/span><b> 4 EnvironmentAsia<\/b><span \n                        style=\"font-weight: 400;\"> , <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Chavalparit, O., Hirunsupachote, S., Kullavanijaya, P.<\/span><b> Biomethanation Potential and Enhancement of Acacia Leaves Waste via Pretreatment and Co-Digestion Strategy<\/b><span \n                        style=\"font-weight: 400;\"> , Journal of Ecological Engineering<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Srirangsan, A., Ongwandee, M., Chavalparit, O.<\/span><b> M EnvironmentAsia<\/b><span \n                        style=\"font-weight: 400;\"> , <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Dulyapach, K., Chavalparit, O.<\/span><b> Optimization of Alkaline Thermo-chemical Pretreatment for Enhancing Biogas Production of Acacia Leaves by Response Surface Methodology<\/b><span \n                        style=\"font-weight: 400;\"> , <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Bangprasit, P., Usapein, P., Chavalparit, O.<\/span><b> Life Cycle Assessment of Bioenergy System from Energy Crop in Thailand: Case study of Napier Pakchong 1 grass<\/b><span \n                        style=\"font-weight: 400;\"> , <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Buasomboon, T., Chavalparit, O.<\/span><b> Applied Environmental Research<\/b><span \n                        style=\"font-weight: 400;\"> , <\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><span style=\"font-weight: 400;\">Usapein, P., Chavalparit, O.<\/span><b> ACCMES 140<\/b><span \n                        style=\"font-weight: 400;\"> , <\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Prof. Orathai Chavalparit, Ph.D.&nbsp; E-mail: Orathai.c@chula.ac.th&nbsp;&nbsp; Education 2009Ph.D Energy, Environmental and Chemical Engineering, Washington University in St. Louis2001 M.Sc. Environmental Engineering, University of Colorado at Boulder 1998 B.Eng. Environmental Engineering, Chulalongkorn University&nbsp;&nbsp; Publication Dutta, A., Chavalparit, O. Unmasking the veil of PM2. 5 pollution: A comprehensive analysis of health effects, economic losses, and environmental implications<a class=\"more-link\" href=\"https:\/\/env.eng.chula.ac.th\/?p=8707\">Continue reading <span class=\"screen-reader-text\">&#8220;Prof. Orathai Chavalparit, Ph.D.\u00a0&#8220;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":9027,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[8],"tags":[],"class_list":["post-8707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faculty-members"],"_links":{"self":[{"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/posts\/8707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8707"}],"version-history":[{"count":39,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/posts\/8707\/revisions"}],"predecessor-version":[{"id":13508,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/posts\/8707\/revisions\/13508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=\/wp\/v2\/media\/9027"}],"wp:attachment":[{"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/env.eng.chula.ac.th\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}