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Quantitative evaluation of cleaner production and environmental policy toward the co-benefit of greenhouse gas and odor reduction: case study of Tapioca starch industry

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Abstract

Chemical components of airborne volatile organic compounds (VOCs) released from a wastewater treatment system of the tapioca industry were identified. Quantitative analysis of the concentrations and the emissions of each chemical were evaluated taking into consideration the difference in atmospheric turbulence over the surface of the wastewater during the day and the nighttime periods. The chamber experiments were performed on-site in order to reflect actual environmental characteristics of the study area. Chemical concentrations were analyzed following the U.S. EPA TO-15 Standard Method. Emissions of each compound were calculated using the box model scheme. It was found that acetaldehyde and acetone were two major compounds of released airborne VOCs from the wastewater treatment system of the tapioca industry. Due to its high organic content, the wastewater treatment facilities of this type of factory generally caused the odor problem to its surrounding communities. These data were then used to evaluate the success of implementing the Clean Development Mechanisms project in this industry. Reduction in the affected area from odor by improving the wastewater treatment system from opened lagoons which is the type of common practice in most of the tapioca factories in the developing countries to the modified covered lagoons was evaluated. These results supported the theory of the co-benefit of managing both local environmental problems and reduction of greenhouse gas emissions from the implementation of cleaner technology in the agro-industry. This methodology can be applied to reveal and quantify the success of other green efforts particularly in the agro-industry businesses.

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Acknowledgements

The authors sincerely thank K. S. Chanthaburi Co., Ltd., for the assistance and support by providing the data and collaborating the site for this case study and M. L. Sattler for the helpful comments that improved the manuscript. Financial support of this research was granted by Research and Researcher for Industry (Ph.D. program, grant number PHD58I0031), the Thailand Research Fund. Authors would also like to extend their appreciation to the Environmental Research and Training Center (ERTC) for providing instruments of sampling and facilities for analyzing samples. This study was partially supported for publication by the China Medical Board (CMB), Center of Excellence on Environmental Health and Toxicology (EHT), Faculty of Public Health, Mahidol University, Thailand. The proofreading of this manuscript was supported by the Editorial Office, Faculty of Graduate Studies, Mahidol University.

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Correspondence to Sarawut Thepanondh.

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Wimolrattanasil, T., Thepanondh, S., Sattler, M.L. et al. Quantitative evaluation of cleaner production and environmental policy toward the co-benefit of greenhouse gas and odor reduction: case study of Tapioca starch industry. Clean Techn Environ Policy 20, 2333–2343 (2018). https://doi.org/10.1007/s10098-018-1609-0

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  • DOI: https://doi.org/10.1007/s10098-018-1609-0

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