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Article: Toxicity of electroplating metals on benzoate-degrading granules

TitleToxicity of electroplating metals on benzoate-degrading granules
Authors
KeywordsAnaerobic
Benzoate
Electroplating
Metal
Toxicity
Issue Date1997
PublisherSelper Ltd. The Journal's web site is located at http://www.environtechnol.co.uk
Citation
Environmental Technology, 1997, v. 18 n. 1, p. 93-99 How to Cite?
AbstractToxicity of five electroplating metals on the activity of biogranules, which were obtained from an upflow anaerobic sludge blanket (UASB) reactor treating benzoate-rich wastewater, was investigated in this study. The methanogenic activities of the biogranules were measured in serum vials using wastewaters containing not only benzoate as substrate, but also individual heavy metals over a wide range of concentration. At 37°C, the toxicity, which increased with metal concentration, was in the following descending order: nickel > zinc > cadmium > copper > chromium. The biogranules exhibited higher resistance to metal toxicity than the flocculent anaerobic sludge. This is probably due to the densely packed nature of the biogranules, reducing the overall exposure of bacteria to the toxic metals in the bulk solution. This implies that granulation of biomass increases their resistance towards toxicants in the wastewater.
Persistent Identifierhttp://hdl.handle.net/10722/71156
ISSN
2015 Impact Factor: 1.76
2015 SCImago Journal Rankings: 0.640
References

 

DC FieldValueLanguage
dc.contributor.authorFang, HHPen_HK
dc.contributor.authorChan, OCen_HK
dc.date.accessioned2010-09-06T06:29:25Z-
dc.date.available2010-09-06T06:29:25Z-
dc.date.issued1997en_HK
dc.identifier.citationEnvironmental Technology, 1997, v. 18 n. 1, p. 93-99en_HK
dc.identifier.issn0959-3330en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71156-
dc.description.abstractToxicity of five electroplating metals on the activity of biogranules, which were obtained from an upflow anaerobic sludge blanket (UASB) reactor treating benzoate-rich wastewater, was investigated in this study. The methanogenic activities of the biogranules were measured in serum vials using wastewaters containing not only benzoate as substrate, but also individual heavy metals over a wide range of concentration. At 37°C, the toxicity, which increased with metal concentration, was in the following descending order: nickel > zinc > cadmium > copper > chromium. The biogranules exhibited higher resistance to metal toxicity than the flocculent anaerobic sludge. This is probably due to the densely packed nature of the biogranules, reducing the overall exposure of bacteria to the toxic metals in the bulk solution. This implies that granulation of biomass increases their resistance towards toxicants in the wastewater.en_HK
dc.languageengen_HK
dc.publisherSelper Ltd. The Journal's web site is located at http://www.environtechnol.co.uken_HK
dc.relation.ispartofEnvironmental Technologyen_HK
dc.subjectAnaerobicen_HK
dc.subjectBenzoateen_HK
dc.subjectElectroplatingen_HK
dc.subjectMetalen_HK
dc.subjectToxicityen_HK
dc.titleToxicity of electroplating metals on benzoate-degrading granulesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0959-3330&volume=18&spage=93 &epage= 99&date=1997&atitle=Toxicity+of+electroplating+metals+on+benzoate-degrading+granulesen_HK
dc.identifier.emailFang, HHP:hrechef@hkucc.hku.hken_HK
dc.identifier.authorityFang, HHP=rp00115en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0031031355en_HK
dc.identifier.hkuros26954en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031031355&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume18en_HK
dc.identifier.issue1en_HK
dc.identifier.spage93en_HK
dc.identifier.epage99en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridFang, HHP=7402542625en_HK
dc.identifier.scopusauthoridChan, OC=7004275779en_HK

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