An Integrated Treatment System for Coffee Processing Waste Water: Integration of anaerobic and aerobic processes

Selvamurugan, M., Doraisamy, P., Maheswari, M.

ISBN 10: 3659191434 / ISBN 13: 9783659191435

Published by LAP LAMBERT Academic Publishing, 2014

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Bibliographic Details

• Title: An Integrated Treatment System for Coffee Processing Waste Water: Integration of anaerobic and aerobic processes
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2014
• Language: English
• ISBN 10: 3659191434
• ISBN 13: 9783659191435
• Binding: paperback
• Condition: Like New
• Book Type: book

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Synopsis

The experiments were conducted to develop an integrated treatment system for coffee processing wastewater (CPWW) through the combination of biomethanation with aeration and wetland plants treatment. The biomethanation was carried out at different hydraulic retention times (HRTs) using upflow anaerobic hybrid reactor (UAHR) and 18 h of HRT was found to be optimum. The maximum biochemical oxygen demand (BOD), chemical oxygen demand (COD) and total solids (TS) reduction were 66.0%, 61.0% and 58.0%, respectively with organic loading rate of 9.55 kg m-3 day-1. The reduction of pollution load of the wastewater by microbial action augmented by aeration resulted in the reduction of electrical conductivity (EC), BOD, COD, and total solids (TS). Continuous aeration of wastewater resulted in maximum of 74.6% and 68.6% reduction of BOD and COD. The wetland plant, Typha latifolia reduced 85.4% and 78.0% of BOD and COD, respectively in biomethanated cum aerated CPWW.

About the Author

Dr.M.Selvamurugan has obtained his Ph.D. in Environmental Science from Tamil Nadu Agricultural University, Coimbatore, India. He was awarded with gold medal for best thesis research work from Tamil Nadu Agricultural University, India. He has published several research papers in peer-reviewed journals.