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baby_xlz

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虫号: 1051748

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过氧化氢氧化处理含氰废水有较好的除氰效果。其最佳工艺条件为：过氧化氢加药量为11ml、反应pH为10、反应时间为15min。总氰浓度为201mg/L，易释放氰浓度为119.49mg/L的废水，处理后，废水中总氰浓度为5.45mg/L，易释放氰化物浓度为4.96mg/L。总氰化物和易释放氰化的去除率分别为97.29%和95.85%。虽然没达到排放标准，但是大部分铁氰化合物被除去，剩下的主要为简单氰。处理后铁氰化合物浓度达到排放标准。

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1楼 2011-03-17 17:25:27

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sltmac

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baby_xlz(金币+10, 翻译EPI+1): 2011-03-19 09:58:35

It is preferablel to deal with cyanogen-contained wastewater by hydrogen peroxide processing.The optimum conditions are:The adding of hydrogen dioxide is 11mL,pH is 10,reaction time is 15min.The total cyanogen concentration is 201mg/L,the easy-released cyanogen concentration is 119.49mg/L,the total cyanogen concentration and easy-released cyanogen concentration will be 5.45mg/L and 4.96mg/L after treatment,respectively.the removing rate of total cyanide and easy-released cyanogen will be 97.29% and 95.85%,respectively.most iron and cyanide will be removed although it is not meet the discharge standard,the remained substance are mainly easy-removed cyanogen.The iron and cyanide concentration will meet the discharge standard.
Keywords: Reaction time; hydrogen dioxide; Hydroxide; Cyanide

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