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Decay Experiments of Effective N-Removing Microbial Communities in Sequencing Batch Reactors
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نویسنده
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lv c. ,li m. ,zhong s. ,wang j. ,wu l.
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منبع
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journal of chemistry - 2017 - دوره : 2017 - شماره : 0
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چکیده
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The temporal changes in the compositions of effective n-removing bacterial communities and the decay coefficients of anammox were studied within the 120-day decay period under anaerobic or aerobic conditions at 25°c. the maximum nitrogen production rate (mnpr) was determined by measuring the temperature,ph,volatile suspended solids (vsss),and nitrogen-removal efficiency of the microbial communities during the decay period. the decay coefficients under anaerobic and aerobic conditions at 25°c were determined through equation-based fitting to be 0.031 d-1 and 0.070 d-1,respectively. through molecular biological means and together with quantitative polymerase chain reaction (qpcr),the proportions of anaob in the microbial communities dropped from 48.70% to 3.69% under anaerobic condition and from 48.70% to 1.98% under aerobic condition during the decay period. © 2017 chen lv et al.
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آدرس
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laboratory of environmental technology,institute of nuclear and new energy technology,tsinghua university,beijing,china,key laboratory of songliao aquatic environment,ministry of education,jilin jianzhu university,changchun, China, key laboratory of songliao aquatic environment,ministry of education,jilin jianzhu university,changchun, China, key laboratory of songliao aquatic environment,ministry of education,jilin jianzhu university,changchun, China, laboratory of environmental technology,institute of nuclear and new energy technology,tsinghua university,beijing, China, key laboratory of songliao aquatic environment,ministry of education,jilin jianzhu university,changchun, China
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Authors
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