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| 硫酸亚铁络合处理含氰废水有较好的除氰效果。其最佳工艺条件为：硫酸亚铁加药量为理论加药量的2.5倍、反应pH为6、反应时间为30min。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8.15mg/L，易释放氰化物浓度为7.65mg/L，总氰化物和易释放氰化的去除率分别为95.52%和93.10%。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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baby_xlz(金币+20, 翻译EPI+1): 2011-03-19 09:58:17
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It is preferablel to deal with cyanogen-contained wastewater by ferrous sulfate complexing.The optimum conditions are:The adding of ferrous sulfate is 2.5 times than theoretical value,pH is 6,reaction time is 30min.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 8.15mg/L and 7.65mg/L after treatment,respectively.the removing rate of total cyanide and easy-released cyanogen will be 95.52% and 93.10%,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: Ferrous sulfate; Reaction time; compound; Cyanide |
2楼2011-03-18 10:04:05
