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baby_xlz(½ð±Ò+20, ·ÒëEPI+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 |
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