EMMC technology for treatment/reuse of dilute dairy wastewater

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dc.contributor.authorLin, Rhoda Luo-Ting
dc.contributor.authorIrvine, Joshua Lelemia
dc.contributor.authorKao, J. C. M.
dc.contributor.authorYang, Pingyi-Yang
dc.date.accessioned2018-10-28T22:40:16Z
dc.date.available2018-10-28T22:40:16Z
dc.date.issued2009-04-13
dc.description.abstractA 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 EMMC-only 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.
dc.identifier.urihttp://hdl.handle.net/10125/58961
dc.language.isoen-US
dc.rightsAn error occurred on the license name.
dc.rights.uriAn error occurred getting the license - uri.
dc.subjectDilute dairy wastewater
dc.subjectEntrapped mixed microbial cell
dc.subjectTreated wastewater reuse
dc.subjectCarbon and nitrogen removal
dc.subjectTreatment alternatives
dc.subjectEconomic evaluation
dc.titleEMMC technology for treatment/reuse of dilute dairy wastewater
dc.typeJournal
dc.type.dcmiText
prism.publicationnameClean Technology Environmental Policy

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