| 引用本文: | 刘晓天,李冬,曾辉平,张杰.生物除铁除锰滤池对砷(Ⅲ)的去除效果[J].哈尔滨工业大学学报,2010,42(6):873.DOI:10.11918/j.issn.0367-6234.2010.06.008 |
| LIU Xiao-tian,LI-Dong,ZENG Hui-ping,ZHANG Jie.Arsenic(Ⅲ) removal by biofilter for iron and manganese removal[J].Journal of Harbin Institute of Technology,2010,42(6):873.DOI:10.11918/j.issn.0367-6234.2010.06.008 |
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| 摘要: |
| 采用人工配制的含有As(Ⅲ)30～200μg/L,Fe2+0.5～1.50mg/L,Mn2+0.6～2.0mg/L的原水,通过已经培养成熟的生物除铁除锰滤柱进行过滤实验,分别考察了3、4、5m/h滤速条件下砷的去除效果.结果表明:在原水中砷质量浓度低于200μg/L的情况下,生物除铁除锰滤池的铁锰去除能力基本不受砷的影响,并且砷的去除效果明显,去除率在95%以上.经过滤柱分层取水实验,发现砷的去除集中在0～660mm的滤层厚度.在反冲洗后,短时期内砷和铁有超标的现象. |
| 关键词: 生物滤池 砷 除铁 除锰 |
| DOI：10.11918/j.issn.0367-6234.2010.06.008 |
| 分类号:TU991.24 |
| 基金项目:国家水体污染控制与治理科技重大专项(2009ZX07424-005-003) |
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| Arsenic(Ⅲ) removal by biofilter for iron and manganese removal |
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LIU Xiao-tian1, LI-Dong1,2, ZENG Hui-ping1, ZHANG Jie1
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1.State Key Laboratory of Urban Water Resource and Environment,Harbin Institute of Technology,Harbin 150090,China;2.Key Laboratory of Water Quality Science and Water Enviroment Recovery Engineering,Beijing University of Technology, Beijing 100124,China
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| Abstract: |
| In this research,the removal efficiency of As (Ⅲ) by biofilter was studied under filtration velocity of 3,4 and 5 m/h respectively,using well-established biofilter column and synthetic raw water which contains As (Ⅲ),Fe(Ⅱ) and Mn(Ⅱ) in the concentration of 30-200 μg/L,0. 5-1. 5 mg/L and 0. 6-2. 0 mg/L,respec-tively. The results indicate that the removal efficiency of biofilter on As (Ⅲ) can be over 95%,and it is not af-fected by As with the concentration below 200 μg/L in the raw water. The capability of arsenic removal of the biofilter is found to concentrate in the filter bed with deepness of 0-660 mm after measuring the samples from different sampling places. And As (Ⅲ)and Fe(Ⅱ) will exceed the standards for a short time after back-washing. |
| Key words: biofilter arsenic iron removal manganese removal |
