Pilot-scale study of combined process of high density settling tank and UF for micro-polluted water treatment - 文章详情页

作者：

Li, Xing (Li, Xing.) | Lu, Shu (Lu, Shu.) | Sun, Wen-Peng (Sun, Wen-Peng.) | Yang, Yan-Ling (Yang, Yan-Ling.) (学者：杨艳玲) | Chen, Jie (Chen, Jie.)

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摘要：

Combined　pilot-scale　treatment　process　of　high　density　settling　tank　and　UF　is　applied　to　treat　micro-polluted　raw　water　with　low-temperature,　low-turbidity,　high-algae,　high-organic,　et　al.　Experimental　results　show　that　combined　process　has　excellent　removal　effects　on　turbidity,　algae　and　microorganism　index.　The　turbidity　of　UF　membrane　effluent　is　0.07~0.09　NTU,　algae　is　removed　completely,　and　Escherichia　coli　group　is　not　detected.　The　average　removal　rate　of　CODMn　and　ammonia　is　31.12%　and　52.65%　respectively.　The　removal　rate　of　CODMn　is　improved　to　38.6%　and　44.6%　respectively　by　addition　of　powered　activated　carbon　with　3　mg/L　and　5　mg/L　refluxing　in　high　density　settling　tank,　and　CODMn　value　of　UF　effluent　is　lower　than　3.0　mg/L.　Membrane　pollution　can　be　lessened.　It　decreases　the　increasing　rate　of　trans-membrane　pressure　drop.　Chemical　washing　period　of　UF　extends　effectively.

关键词：

Ammonia Temperature Water pollution Activated carbon Activated carbon treatment Settling tanks Ultrafiltration Turbidity Manganese compounds Effluents Algae Escherichia coli

作者机构：

[ 1 ] [Li, Xing]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Lu, Shu]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Lu, Shu]Solid Waste Resources Utilization and Energy Saving Building Materials State Key Laboratory, Beijing Building Materials Academy of Sciences Research, Beijing 100041, China
[ 4 ] [Sun, Wen-Peng]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Yang, Yan-Ling]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Chen, Jie]Solid Waste Resources Utilization and Energy Saving Building Materials State Key Laboratory, Beijing Building Materials Academy of Sciences Research, Beijing 100041, China
[ 7 ] [Chen, Jie]Suzhou Litree Ultra-Filtration Membrane Technology Co. Ltd., Suzhou 215152, Jiangsu, China

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