一种新型絮凝剂的制备工艺及混凝效能研究  

Research on the Preparation of One Type of New Flocculant and Its Flocculating Property

作　　者：何丽莉[1] 刘梅英[2] 

机构地区：[1]辽阳职业技术学院化学工程系,辽阳111004 [2]东北大学理学院,沈阳110004

出　　处：《环境保护科学》2005年第4期25-27,共3页Environmental Protection Science

摘　　要：以Al2O3和CaCO3为原料用焙烧酸溶制备工艺合成新型高效的聚合氯化铝钙,研究结果表明,提高焙烧温度,原料配比为(Al2O3)70%,酸溶时间为3h,酸用量为(20g原料)70mL时有利于新型絮凝剂制备合成反应。并以本钢转炉煤气洗涤废水为处理对象研究混凝效能。结果表明,新工艺制备的聚合氯化铝钙混凝效能优于工业聚铝。The paper introduces the techniques of preparing one new type of flocculant-polyaluminium calcium chloride with the materials of Al2O3 and CaCO3, The results show that it is helpful for the reaction that the baking temperature rises, the proportion of Al2O3 is 70%, the quantity of acide is 70ml and the solubilizatin time is 3 hours .The efficacy of the new flocculant is researched by using the BenXi steelworks gas washing water, it is superior to the traditional polyaluminium.

关 键 词：聚合氯化铝钙 制备工艺 混凝 絮凝剂 效能 原料配比 煤气洗涤废水 氯化铝钙 焙烧温度 CACO3 

分 类 号：TQ314.253[化学工程—高聚物工业] TU991.22[建筑科学—市政工程]