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EMMC technology for treatment/reuse of dilute dairy wastewater

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Title:EMMC technology for treatment/reuse of dilute dairy wastewater
Authors:Lin, Rhoda Luo-Ting
Irvine, Joshua Lelemia
Kao, J. C. M.
Yang, P. Y.
Keywords:Dilute dairy wastewater
Entrapped mixed microbial cell
Treated wastewater reuse
Carbon and nitrogen removal
Wastewater Treatment alternatives
show 1 moreEconomic evaluation
show less
Date Issued:01 May 2009
Publisher:Springer-Verlag
Citation:Lin, R.LT., Irvine, J.L., Kao, J.C.M. et al. EMMC technology for treatment/reuse of dilute dairy wastewater. Clean Techn Environ Policy (2009). https://doi.org/10.1007/s10098-009-0228-1
Relation:https://doi.org/10.1007/s10098-009-0228-1
Abstract:A rural dairy farm located on the island of Oahu, Hawaii needed to upgrade current lagoon treatment system for further reuse as floor flushing and crop irrigation. This is a comprehensive bench scale and pilot plant study to evaluate the potential biological treatment and reuse systems. Systems evaluated include: (1) pre-existing lagoon system, (2) integrated anaerobic BIO-NEST/aerobic EMMC (entrapped mixed microbial cell) system, (3) aerobic EMMC reactor only system. Based upon a comprehensive economic evaluation and sensitivity analysis, the EMMConly system achieved the best effluent quality for simultaneous removal of carbon and nitrogen. The pilot study of the EMMC-only reactor achieved an overall of 78% TCOD, 63% SCOD, 65% TN, and 96% soluble NH3-N removal efficiencies (HRT 12 h, continuous aeration). Implementing this system would cost about $0.25 a cow/ day to remove a ton of organic TCOD ($88.10/cow/year). The information presented provides a model for animal producers to consider in evaluating alternatives to upgrade existing waste management facilities.
Pages/Duration:9 pages
URI:http://hdl.handle.net/10790/7299
DOI:10.1007/s10098-009-0211-x
Rights:Attribution-NonCommercial-NoDerivs 3.0 United States
http://creativecommons.org/licenses/by-nc-nd/3.0/us/
Journal:Clean Technologies and Environmental Policy
Appears in Collections: Irvine, Joshua Lelemia


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