| Quantification and control of restrictive ecological factors in acidogenic de-sulfate bioreactor |
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| 作者姓名： | 王爱杰 任南琪 |
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| 作者单位： | 1. Research Center of Environmental Biotechnology，Harbin Institute of Technology，Harbin 150090，China; 2. Institute of Engineering Mechanics，Sersmological Bureau of China，Harbin 150080，China |
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| 基金项目： | SponsoredbytheNationalNaturalScienceFundofChina (GrantNo .5 99780 12 ) |
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| 摘 要： | 0 ＩＮＴＲＯＤＵＣＴＩＯＮＳｕｌｆａｔｅｒｅｄｕｃｔｉｏｎ ｓｕｌｆｉｄｅｏｘｉｄａｔｉｏｎ ｏｒｇａｎｉｃｃｏｍ ｐｏｕｎｄｍｉｎｅｒａｌｉｚａｔｉｏｎｉｓａｗｅｌｌａｃｃｅｐｔｅｄ ｐｒｏｃｅｓｓｆｏｒｈｉｇｈｓｔｒｅｎｇｔｈｓｕｌｆａｔｅｏｒｇａｎｉｃｗａｓｔｅｗａｔｅｒｔｒｅａｔｍｅｎｔ,ａｎｄｉｎｓｕｌｆａｔｅｒｅｄｕｃｔｉｏｎｕｎｉｔｓｕｌｆａｔｅｃｏｕｌｄｂｅｃｏｎｖｅｒｔｅｄｔｏｓｕｌｆｉｄｅ (ｉｎｃｌｕｄｉｎｇＨ2 Ｓ ,ＨＳ- ａｎｄＳ2 - )ｂｙｔｈｅｃｏ ｏｐｅｒａｔｉｏｎｏｆａｃｉｄ…
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Quantification and control of restrictive ecological factors in acidogenic de-sulfate bioreactor |
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| WANG Ai jie ,REN Nan qi.Quantification and control of restrictive ecological factors in acidogenic de-sulfate bioreactor[J].Journal of Harbin Institute of Technology,2002,9(1). |
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| Authors: | WANG Ai jie REN Nan qi |
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| Affiliation: | 1. Research Center of Environmental Biotechnology, Harbin Institute of Technology, Harbin 150090, China;Institute of Engineering Mechanics, Sersmological Bureau of China, Harbin 150080, China
2. Research Center of Environmental Biotechnology, Harbin Institute of Technology, Harbin 150090, China |
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| Abstract: | As an artificial microbial ecosystem, acidogenic de-sulfate bioreactor has high efficiency of sulfate removal. The restrictive ecological factors, including causing ecological factors, such as COD/SO42- ratio and sulfate loading rate (Ns), and following ecological factors, such as pH value, oxidation reduction potential (ORP) and alkalinity (ALK) have significant effect on the ability and stability of acidogenic de-sulfate bio-reactor. Continuous flow and batch test were carried out to investigate the quantification and control of COD/SO42- ratio, Ns, pH value, ORP and ALK in acidogenic de-sulfate bioreactor supplied with molasses wastewater as sole organic carbon source and sodium sulfate as electron donor. It was demonstrated that In order to maintain high sulfate removal rate (SRR) of 80% to 90%, the restrictive factors should meet all the requirement as follows: kCOD/ SO42- ratio≥2.0, Ns≤7.5 kg (m3·d)-1,pH=5.7～6.2,ORP=-320～-420 mV and ALK=1 500～2 000 mg/L. |
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| Keywords: | acidogenic de sulfate bio reactor restrictive ecological factors quantification control wastewater treatment |
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