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Article: Organic removal of anaerobically treated leachate by Fenton Coagulation

TitleOrganic removal of anaerobically treated leachate by Fenton Coagulation
Authors
Issue Date2001
PublisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/ee.html
Citation
Journal Of Environmental Engineering, 2001, v. 127 n. 7, p. 666-669 How to Cite?
AbstractThe leachate from a Hong Kong landfill, containing 15,700 mg/L of chemical oxygen demand (COD) and 2,260 mg/L of ammonia nitrogen (NH3-N), was first treated in a UASB (upflow anaerobic sludge blanket) reactor at 37°C. The process on average removed 90.4% of COD with 6.6 days of hydraulic retention at an organic loading rate of 2.37 g of COD/L day. The UASB effluent was further treated by the Fenton coagulation process using H2O2 and Fe2+. Under the optimal condition of 200 mg of H2O2/L and 300 mg of Fe2+/L and an initial pH of 6.0, 70% of residual COD in the UASB effluent was removed, of which 56% was removed by coagulation/precipitation and only 14% by free radical oxidation. It is obvious that H2O2 and Fe2+ had a strong synergistic effect on coagulation. The average COD in the final effluent was 447 mg/L. Removing each gram of COD required 0.28 g of Fe2+ and 0.18 g of H2O2.
Persistent Identifierhttp://hdl.handle.net/10722/70603
ISSN
2015 Impact Factor: 1.125
2015 SCImago Journal Rankings: 0.462
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLau, IWCen_HK
dc.contributor.authorWang, Pen_HK
dc.contributor.authorFang, HHPen_HK
dc.date.accessioned2010-09-06T06:24:28Z-
dc.date.available2010-09-06T06:24:28Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Environmental Engineering, 2001, v. 127 n. 7, p. 666-669en_HK
dc.identifier.issn0733-9372en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70603-
dc.description.abstractThe leachate from a Hong Kong landfill, containing 15,700 mg/L of chemical oxygen demand (COD) and 2,260 mg/L of ammonia nitrogen (NH3-N), was first treated in a UASB (upflow anaerobic sludge blanket) reactor at 37°C. The process on average removed 90.4% of COD with 6.6 days of hydraulic retention at an organic loading rate of 2.37 g of COD/L day. The UASB effluent was further treated by the Fenton coagulation process using H2O2 and Fe2+. Under the optimal condition of 200 mg of H2O2/L and 300 mg of Fe2+/L and an initial pH of 6.0, 70% of residual COD in the UASB effluent was removed, of which 56% was removed by coagulation/precipitation and only 14% by free radical oxidation. It is obvious that H2O2 and Fe2+ had a strong synergistic effect on coagulation. The average COD in the final effluent was 447 mg/L. Removing each gram of COD required 0.28 g of Fe2+ and 0.18 g of H2O2.en_HK
dc.languageengen_HK
dc.publisherAmerican Society of Civil Engineers. The Journal's web site is located at http://www.pubs.asce.org/journals/ee.htmlen_HK
dc.relation.ispartofJournal of Environmental Engineeringen_HK
dc.rightsJournal of Environmental Engineering. Copyright © American Society of Civil Engineers.en_HK
dc.titleOrganic removal of anaerobically treated leachate by Fenton Coagulationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0733-9372&volume=127 &issue=7&spage=666 &epage= 669&date=2001&atitle=Organic+removal+of+anaerobically+treated+leachate+by+Fenton+coagulationen_HK
dc.identifier.emailFang, HHP:hrechef@hkucc.hku.hken_HK
dc.identifier.authorityFang, HHP=rp00115en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1061/(ASCE)0733-9372(2001)127:7(666)en_HK
dc.identifier.scopuseid_2-s2.0-0035395115en_HK
dc.identifier.hkuros60269en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035395115&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume127en_HK
dc.identifier.issue7en_HK
dc.identifier.spage666en_HK
dc.identifier.epage669en_HK
dc.identifier.isiWOS:000169345400014-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLau, IWC=7006768100en_HK
dc.identifier.scopusauthoridWang, P=36038733700en_HK
dc.identifier.scopusauthoridFang, HHP=7402542625en_HK

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