Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/66046
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dc.titleRandom-packed anaerobic filter in piggery wastewater treatment
dc.contributor.authorNg, W.J.
dc.contributor.authorChin, K.K.
dc.date.accessioned2014-06-17T08:23:36Z
dc.date.available2014-06-17T08:23:36Z
dc.date.issued1987
dc.identifier.citationNg, W.J.,Chin, K.K. (1987). Random-packed anaerobic filter in piggery wastewater treatment. Biological Wastes 20 (3) : 157-166. ScholarBank@NUS Repository.
dc.identifier.issn02697483
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/66046
dc.description.abstractThe anaerobic filter has been used on a laboratory scale to treat piggery wastewater. Screened wastewater was digested in a 21-litres effective volume reactor random-packed with plastic media. Feed wastewater was introduced into the filter in an upflow mode at regular intervals using a timer-controlled pump at loading rates representing hydraulic retention times (HRT) of 6·3 to 2·1 days. COD reductions ranged from 97% to 83% of influent COD while VSS reductions ranged from 99% to 90%. Transient-state gas quality in terms of methane content was very stable. Methane content in the biogas increased as retention times decreased and ranged from 75% to 84% methane. Results indicate that a high potential reduction of required digester volume is possible through application of the fixed-film concept. © 1987.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCIVIL ENGINEERING
dc.description.sourcetitleBiological Wastes
dc.description.volume20
dc.description.issue3
dc.description.page157-166
dc.description.codenBIWAE
dc.identifier.isiutNOT_IN_WOS
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