英语翻译The application of bio?occulant for the removal of humic

英语翻译
The application of bio?occulant for the removal of humic acids
from stabilized land?ll leachates
Anastasios I.Zouboulisa,*,Xiao-Li Chaib,Ioannis A.Katsoyiannisa
aLaboratory of Chemical Technology,Department of Chemistry,Aristotle University of Thessaloniki,P.O.Box 116,Thessaloniki GR-54124,Greece
bLaboratory of Environmental Pollution Control,University of Tonjgji,Siping Road 1239,Shanghai 200092,China
Abstract
The evaluation of bio?occulant,in comparison with traditional inorganic coagulants,for the removal of humic acids from land?ll leachates
stabilized by biological treatment,was performed using conventional jar-test coagulation experiments.The optimized conditions (pH and
coagulant dosage) were identi?ed for the treatment of synthetic solutions as well as for biologically pre-treated land?ll leachates.It was
found that the application of bio?occulant was quite ef?cient in the removal of humic acids from synthetic solutions as well as in the
reduction of COD content from real land?ll leachates.The optimal pH value was found to be between 7 and 7.5,while a 20 mg/l bio?occulant
dosage was suf?cient in providing more than 85% humic acid removal.The results were comparable with those obtained by the application of
conventional coagulants such as alum or polyaluminum chloride; therefore,bio?occulant can be considered as a viable alternative in the
treatment of land?ll leachates applying coagulation.
q 2004 Elsevier Ltd.All rights reserved.
Keywords:Bio?occulant; Humic acids; Land?ll leachates; Coagulation
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