Clean technology for the tapioca starch industry in Thailand |
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| Authors: | Orathai Chavalparit Maneerat Ongwandee |
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| Affiliation: | 1. Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Prayathai Road, Patumwan, Bangkok 10330, Thailand;2. Faculty of Engineering, Mahasarakham University, Katarawichai District, Mahasarakham 44150, Thailand;1. Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok, Thailand;2. Interdisciplinary Graduate Program in Advanced and Sustainable Environmental Engineering (International Program), Faculty of Engineering, Kasetsart University, Bangkok, Thailand;3. Cassava and Starch Technology Research Unit (CSTRU/BIOTEC), Kasetsart University, Bangkok, Thailand;4. Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD), UMR Qualisud, Montpellier, France;1. School of Light Industry and Food Engineering, Guangxi University, Guangxi, PR China;2. Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Guangxi, PR China;3. School of Resources, Environment and Materials, Guangxi University, Guangxi, PR China;1. School of Energy and Environment, University of Phayao, Phayao, Thailand;2. The Joint Graduate School of Energy and Environment, King Mongkut''s University of Technology Thonburi, Bangkok, Thailand;3. Centre for Energy Technology and Environment, Ministry of Education, Thailand;1. State Key Laboratory of Pollution Control and Resources Reuse, Key Laboratory of Yangtze River Water Environment, Institute of Biofilm Technology, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, PR China;2. Department of Molecular Biosciences and Bioengineering (MBBE), University of Hawai’i at Mānoa, Agricultural Sciences Building 218, 1955 East-West Road, Honolulu, HI 96822, United States;1. La Sapienza, University of Rome, Department of Chemistry, Rome, Italy;2. Veolia Water Technologies AB ? AnoxKaldnes, Lund, Sweden;3. University of Queensland, School of Chemical Engineering, Brisbane, Queensland, Australia;4. Promiko AB, Lomma, Sweden |
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| Abstract: | The tapioca processing industry is considered to be one of the largest food processing industrial sectors in Thailand. However, the growth of the tapioca starch industry has resulted in heavy water pollution as it generates large amount of solid waste and wastewater with high organic content. This study explores the applicability of clean technology options to improve the environmental performance of tapioca starch-processing plants in Thailand. Eight Tapioca starch plants were selected for an exclusive analysis of the dynamics of clean technology development and adoption. Proposed options mainly involve water reduction and energy conservation. These include reuse and recycling of water, technology modification in the production process, and use of biogas to substitute fuel oil for burners. Implementation of these proposed alternatives to real companies shows that the reduction of starch loss, and water and fuel cost savings can be achieved. |
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