微生物絮凝剂在天然碱碱泥分离中的应用  

Application of microbial flocculant in defecating the suspending solution of natural soda

作　　者：卢文玉[1] 张通[2] 张冬艳[2] 张晨鼎[2] 杜连祥[1] 

机构地区：[1]天津科技大学食品科学与生物工程学院,天津300222 [2]内蒙古工业大学化工学院,内蒙古呼和浩特010062

出　　处：《化学工程》2004年第2期52-56,共5页Chemical Engineering(China)

基　　金：国家自然科学基金(29766003)

摘　　要：研究了对强碱性天然碱碱泥悬浮液有良好絮凝澄清作用的微生物絮凝剂的制备工艺。考察了絮凝温度、絮凝剂加量、Zn2+等理化因子对絮凝作用的影响。适宜的絮凝条件为:温度45℃,絮凝剂加量90mg/L,Zn2+0.03mol/L。在此条件下对碱泥悬浮液进行絮凝,沉降速度为2.96×10-4m/s,上清液浊度为0.05,絮凝效果达到并超过国产有机高分子絮凝剂。The preparation of microbial flocculant for defecating the suspending solution of natural soda was (reported.) Some factors including temperature, quantity of flocculant and positive ion which affected the flocculation were observed. The optimal conditions were as follows: 45 ℃, WF-1 90 mg/L, 0.03 mol/L Zn^(2+). As a result, the velocity of flocculation was 2.96×10^(-4) m/s, and the OD of supernatant reached 0.05. The efficiency of (microbial) flocculant was better than that of domestic PAM.

关 键 词：微生物絮凝剂 天然碱 分离 高分子化合物 聚丙烯酰胺 多糖 蛋白质 

分 类 号：X703[环境科学与工程—环境工程]