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Mally89: ½ð±Ò+1, ¸ÐлӦÖú£¡~»¶Ó­³£À´£¡~ºðºð£¡~\(^o^)/~ 2012-03-30 22:45:24
yuanlidi: ½ð±Ò+50, ·­ÒëEPI+1, ¡ïÓаïÖú 2012-03-31 11:26:39
yuanlidi: ½ð±Ò+50 2012-04-15 10:26:32
Based on the present situation of analyzing the coating wastewater treatment technology at home and abroad
and  development direction ,this paper  mainly do the following several aspects: blends with a kind of organic/inorganic flocculant and deal with the  paint wastewater using anionic polyacrylamide , synthesizing water-soluble melamine formaldehyde resin and optimizing the  process and treat  paint wastewater using  modified cationic polypropylene amine agglomerate.  Through experiment and exploration, draw the following research results:
1) 100 mL 6% of polyferric sulphate solution, blending with 3 g poly two methyl two allyl of dimethyldiallylammonium chloride solution is used for  paint wastewater treatment, can effectively remove paint sticky. the best prepared ratio of  Anionic polyacrylamide is  1:3, the treatment agent prepared according to the process conditions and the formula can remove 91.5% paint in the waste water .
(2)  suitable  reaction condition for the preparation of water-soluble melamine formaldehyde resin: raw material ratio of n (3 get together the atmosphere amine) : n (formaldehyde) = 1:2, hydroxymethylation reaction (pH = 8 to 9, 40 min), acidic polycondensation reaction (pH = 3, 3 h),  70 ¡æ .
(3)  NingJiJi  is made by 0.12wt% modificated  agent and the  cationic PAM  whose molecular weight  is 12 million, ion degrees 50% .
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