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Article: Inhibition on acidogenesis of dairy wastewater by zinc and copper

TitleInhibition on acidogenesis of dairy wastewater by zinc and copper
Authors
Issue Date2001
PublisherSelper Ltd. The Journal's web site is located at http://www.environtechnol.co.uk
Citation
Environmental Technology, 2001, v. 22 n. 12, p. 1459-1465 How to Cite?
AbstractAcidogenesis of dairy wastewater produced volatile fatty acids, mainly acetate and propionate, plus hydrogen as byproduct. Zinc (Zn) inhibited acidogenesis at concentrations over 10 mg 1-1; but at 10 mg 1-1, or less, it enhanced acidogenesis slightly. On the other hand, copper (Cu) inhibited acidogenesis at all tested concentrations ranging 5-400 mg 1-1. Production of acetate was inhibited by both metals at all concentrations; but production of propionate and hydrogen was favored at low concentrations of Zn (up to 80 mg 1-1) and Cu (up to 40 mg 1-1). Production of hydrogen corresponded with the degradation of carbohydrate and the production of propionate. Overall, Cu was 1.4-4.3 folds more toxic than Zn, according to the overall production patterns of fatty acids and hydrogen as well as degradation patterns of carbohydrate and protein.
Persistent Identifierhttp://hdl.handle.net/10722/71059
ISSN
2015 Impact Factor: 1.76
2015 SCImago Journal Rankings: 0.640
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYu, HQen_HK
dc.contributor.authorFang, HHPen_HK
dc.date.accessioned2010-09-06T06:28:33Z-
dc.date.available2010-09-06T06:28:33Z-
dc.date.issued2001en_HK
dc.identifier.citationEnvironmental Technology, 2001, v. 22 n. 12, p. 1459-1465en_HK
dc.identifier.issn0959-3330en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71059-
dc.description.abstractAcidogenesis of dairy wastewater produced volatile fatty acids, mainly acetate and propionate, plus hydrogen as byproduct. Zinc (Zn) inhibited acidogenesis at concentrations over 10 mg 1-1; but at 10 mg 1-1, or less, it enhanced acidogenesis slightly. On the other hand, copper (Cu) inhibited acidogenesis at all tested concentrations ranging 5-400 mg 1-1. Production of acetate was inhibited by both metals at all concentrations; but production of propionate and hydrogen was favored at low concentrations of Zn (up to 80 mg 1-1) and Cu (up to 40 mg 1-1). Production of hydrogen corresponded with the degradation of carbohydrate and the production of propionate. Overall, Cu was 1.4-4.3 folds more toxic than Zn, according to the overall production patterns of fatty acids and hydrogen as well as degradation patterns of carbohydrate and protein.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.subject.meshCarbohydrates - analysisen_HK
dc.subject.meshCarbon Dioxide - analysisen_HK
dc.subject.meshCopper - adverse effects - chemistryen_HK
dc.subject.meshDairyingen_HK
dc.subject.meshFatty Acids, Volatile - analysisen_HK
dc.subject.meshHydrogen - analysisen_HK
dc.subject.meshHydrogen-Ion Concentrationen_HK
dc.subject.meshMethane - analysisen_HK
dc.subject.meshNitrogen - analysisen_HK
dc.subject.meshProteins - analysisen_HK
dc.subject.meshWaste Disposal, Fluid - methodsen_HK
dc.subject.meshWater Pollutants, Chemicalen_HK
dc.subject.meshWater Purification - methodsen_HK
dc.subject.meshZinc - adverse effects - chemistryen_HK
dc.titleInhibition on acidogenesis of dairy wastewater by zinc and copperen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0959-3330&volume=22&spage=1459 &epage= 1465&date=2001&atitle=Inhibition+on+acidogenesis+of+dairy+wastewater+by+zinc+and+copperen_HK
dc.identifier.emailFang, HHP:hrechef@hkucc.hku.hken_HK
dc.identifier.authorityFang, HHP=rp00115en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid11873881-
dc.identifier.scopuseid_2-s2.0-0035694837en_HK
dc.identifier.hkuros67274en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035694837&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume22en_HK
dc.identifier.issue12en_HK
dc.identifier.spage1459en_HK
dc.identifier.epage1465en_HK
dc.identifier.isiWOS:000173549800008-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYu, HQ=13008678100en_HK
dc.identifier.scopusauthoridFang, HHP=7402542625en_HK

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