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Article: Performance and sludge characteristics of UASB process treating propionate-rich wastewater

TitlePerformance and sludge characteristics of UASB process treating propionate-rich wastewater
Authors
KeywordsGranule
Loading rate
Methanogenic activity
Microstructure
Propionate
UASB
Wastewater
Yield
Issue Date1995
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/watres
Citation
Water Research, 1995, v. 29 n. 3, p. 895-898 How to Cite?
AbstractUASB process consistently removed 97-99% of chemical oxygen demand (GOD) in wastewater containing concentrated propionate at 37°C in 12 h for loading rates up to 23 g-COD/l·day. Of all the COD removed, 95% was converted to methane and the rest was converted to biomass with an average sludge yield of 0.040 g-VSS/g-COD. Each gram of propionate-degrading granules in the reactor had a daily maximum capacity of converting 0.60 g of COD into methane. The granules were densely packed but did not exhibit any patterned microstructure. A typical propionate-degrading granule was composed of microcolonies of Methanothrix and several syntrophic microcolonies with hydrogen-producing acetogens in juxtaposition with hydrogen-consuming M. hungatei and Methanobrevibacter-like bacteria.
Persistent Identifierhttp://hdl.handle.net/10722/71420
ISSN
2015 Impact Factor: 5.991
2015 SCImago Journal Rankings: 2.772
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFang, HHPen_HK
dc.contributor.authorLi, YYen_HK
dc.contributor.authorChui, HKen_HK
dc.date.accessioned2010-09-06T06:31:50Z-
dc.date.available2010-09-06T06:31:50Z-
dc.date.issued1995en_HK
dc.identifier.citationWater Research, 1995, v. 29 n. 3, p. 895-898en_HK
dc.identifier.issn0043-1354en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71420-
dc.description.abstractUASB process consistently removed 97-99% of chemical oxygen demand (GOD) in wastewater containing concentrated propionate at 37°C in 12 h for loading rates up to 23 g-COD/l·day. Of all the COD removed, 95% was converted to methane and the rest was converted to biomass with an average sludge yield of 0.040 g-VSS/g-COD. Each gram of propionate-degrading granules in the reactor had a daily maximum capacity of converting 0.60 g of COD into methane. The granules were densely packed but did not exhibit any patterned microstructure. A typical propionate-degrading granule was composed of microcolonies of Methanothrix and several syntrophic microcolonies with hydrogen-producing acetogens in juxtaposition with hydrogen-consuming M. hungatei and Methanobrevibacter-like bacteria.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/watresen_HK
dc.relation.ispartofWater Researchen_HK
dc.subjectGranuleen_HK
dc.subjectLoading rateen_HK
dc.subjectMethanogenic activityen_HK
dc.subjectMicrostructureen_HK
dc.subjectPropionateen_HK
dc.subjectUASBen_HK
dc.subjectWastewateren_HK
dc.subjectYielden_HK
dc.titlePerformance and sludge characteristics of UASB process treating propionate-rich wastewateren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0043-1354&volume=29&issue=3&spage=895&epage=898&date=1995&atitle=Performance+and+sludge+characteristics+of+UASB+process+treating+propionate-rich+wastewateren_HK
dc.identifier.emailFang, HHP:hrechef@hkucc.hku.hken_HK
dc.identifier.authorityFang, HHP=rp00115en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/0043-1354(94)00203-Jen_HK
dc.identifier.scopuseid_2-s2.0-0028983981en_HK
dc.identifier.hkuros629en_HK
dc.identifier.volume29en_HK
dc.identifier.issue3en_HK
dc.identifier.spage895en_HK
dc.identifier.epage898en_HK
dc.identifier.isiWOS:A1995QG42600014-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridFang, HHP=7402542625en_HK
dc.identifier.scopusauthoridLi, YY=7502096327en_HK
dc.identifier.scopusauthoridChui, HK=7006642070en_HK

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