Study on hydrolysis and acidification of primary sludge - 文章详情页

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The　phenomenon　of　carbon　resource　limited　is　a　common　problem　in　the　municipal　wastewater.　In　this　study,　primary　sludge　which　come　from　primary　sediment　is　been　use　for　generating　carbon　resource　by　anaerobic　hydrolysis　acidification　process.　In　the　condition　of　temperature　is　35°C,　HRT　=　28h　and　SRT　=　3d,　ρ(SCOD)and　ρ(VFA)　of　effluents　reach　the　peak　value　at　975.8　mg/L　and　516.4　mg/L　during　the　operate　time.　When　the　alkalinity　is　725　mg/L　and　pH　is　7.12,　hydrolysis　acidification　process　can　keep　the　stable　state　of　hydrolysis　acidification　efficiency.　Appropriate　alkalinity　and　pH　value　are　the　key　parameters　of　hydrolysis　acidification　process　for　stabile　operation.　When　the　hydrolysis　acidification　process　is　fluctuated,　the　changes　of　ρ(SCOD)　and　VFA　are　previous　to　the　alkalinity　and　pH　value.　©　2009　DEStech　Publications,　Inc.

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[ 1 ] [Li, J.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Ren, J.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Ren, J.]Power and Water Resource Department, Capital Engineering and Research Incorporation Ltd., Beijing 100176, China
[ 4 ] [Gan, Y.P.]Beijing Drainage Group Co. Ltd., Beijing 100022, China
[ 5 ] [Zhou, J.]Beijing Drainage Group Co. Ltd., Beijing 100022, China
[ 6 ] [Zhang, S.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 7 ] [Li, Z.B.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China

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[Li, J.]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China

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