| 引用本文: | 常海庆,梁恒,高伟,李圭白.膜生物反应器与预处理联用净化微污染引黄水库水[J].哈尔滨工业大学学报,2012,44(12):25.DOI:10.11918/j.issn.0367-6234.2012.12.005 |
| CHANG Hai-qing,LIANG Heng,GAO Wei,LI Gui-bai.Purification of micro-polluted reservoir water from the Yellow River by membrane bioreactors combined with pretreatments[J].Journal of Harbin Institute of Technology,2012,44(12):25.DOI:10.11918/j.issn.0367-6234.2012.12.005 |
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| 膜生物反应器与预处理联用净化微污染引黄水库水 |
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常海庆1, 梁恒1,2, 高伟1, 李圭白1,2
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(1.哈尔滨工业大学 城市水资源与水环境国家重点实验室,150090 哈尔滨; 2.城市水资源开发利用(北方)国家工程研究中心,150090 哈尔滨);1.哈尔滨工业大学 城市水资源与水环境国家重点实验室,150090 哈尔滨;2.城市水资源开发利用北方国家工程研究中心,150090 哈尔滨
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| 摘要: |
| 为考察膜粉末活性炭生物反应器(PAC-MBR)处理微污染原水的效能,向其中加入混凝剂(聚合氯化铝和三氯化铁)以及与混凝-沉淀、混凝-气浮联用,研究4种组合工艺对引黄水库水的除污染效能和膜污染状况,并与水厂常规工艺及超滤工艺进行比较．结果表明:各种组合工艺均可将出水浑浊度和颗粒数控制在0.02 NTU和50 mL-1以下,去除率分别达98％和95％以上;4种组合工艺出水UV254平均为0.043～0.045 cm-1,去除率分别为(18.28±9.35)％、(16.76±6.14)％、(3.23±1.26)％和(6.38±2.26)％;出水CODMn平均值在1.85～1.94 mg/L,去除率分别为(34.22±7.49)％、(33.20±6.99)％、(22.20±8.91)％和(41.72±14.25)％．各工艺对颗粒物质和有机物的去除效能均优于常规工艺,而同常规工艺+超滤膜出水基本相同．各工艺对氨氮的去除率在95％以上,且不存在亚硝酸盐氮积累的现象．在膜污染控制方面,混凝-沉淀以及混凝-气浮的效果较优,随后是三氯化铁,而投加聚合氯化铝的效果最差． |
| 关键词: 膜粉末活性炭生物反应器 微污染水 混凝 沉淀 气浮 膜污染 |
| DOI：10.11918/j.issn.0367-6234.2012.12.005 |
| 分类号:TU991.2 |
| 基金项目:国家自然科学基金重点项目(51138008);城市水资源与水环境国家重点实验室（哈尔滨工业大学）自主课题(2010DX01). |
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| Purification of micro-polluted reservoir water from the Yellow River by membrane bioreactors combined with pretreatments |
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CHANG Hai-qing1, LIANG Heng1,2, GAO Wei1, LI Gui-bai1,2
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(1.State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090 Harbin, China; 2. National Engineering Research Center of Urban Water Resources, 150090 Harbin, China);1.State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090 Harbin, China;2.National Engineering Research Center of Urban Water Resources, 150090 Harbin, China
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| Abstract: |
| To investigate the efficiency of treating micro-polluted reservoir water from the Yellow River using PAC-MBR, four processes combined with coagulation (ployaluminium chloride and ferric chloride), coagulation-sedimentation and coagulation-air flotation were discussed, from the view of pollutants removal and membrane fouling, comparison with conventional treatment process/+UF were also made.The results showed that all these processes guaranteed the turbidity and particle counts of effluent at 0.02 NTU and lower than 50 mL-1, with the removal efficiency above 98％ and 95％, respectively. The average effluent UV254 ranged between 0.043 and 0.045 cm-1,and the removal rate were (18.28±9.35)％, (16.76±6.14)％, (3.23±1.26)％ and (6.38±2.26)％, respectively. The average effluent CODMn ranged from 1.85 to 1.94 mg/L,with removal efficiency of (4.22±7.49)％, (33.20±6.99)％, (22.20±8.91)％ and (41.72±14.25)％, respectively. As for particulate and organic matter, the removal efficiencies of hybrid processes were superior to conventional treatment process and almost equal to UF membrane combined processes in Nanjiao Water Treatment Plant. The NH3-N removal was above 95％, and the accumulation of NO2--N was not found. Considering the effect of eliminating membrane fouling, coagulation-sedimentation and coagulation-air flotation effect were the best, followed by ferric chloride, but that of polyaluminium chloride was the worst. |
| Key words: PAC-MBR micro-polluted water coagulation sedimentation air flotation membrane fouling |
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