文档介绍：第41卷第6期
2012年6月
应用化工
Applied Chemical Industry
天然改性植物阳离子絮凝剂对洗煤废水的
处理研究
李春晓,王康乐,董岁明
(长安大学环境科学与工程学院,陕西西安710054)
摘要:基于洗煤废水对环境所造成的危害,研究了一种以植物木粉为原料,通过与醚化剂接枝共聚制得的易降
解、且不产生二次污染的天然改性植物阳离子絮凝剂。其对洗煤废水的处理。研究表明,常温下,当pH=6—8,该
絮凝剂和聚铝的投人量分别为10 mg/L和5 mg/L时,洗煤废水的浊度、COD。固体悬浮物的去除率分别可达到
%,%,%。
关键词:改性阳离子絮凝剂;木粉:絮凝;洗煤废水
中图分类号:TO
文献标识码:A
文章编号:1671—3206(2012)06—0955—03
Study
on
the natural modified plant cationic ulant in coal
treatment
washing waste water
Chun-xiao,WANG尬昭一le,DONG Sui一,耐增
-48/2
(College of Environmental Science and Engineering。Chang’雠Umvenity。Xi’an 710054,China)
Abstract:Based
the damage of coal washing
water to
the study
wood pow-
der
raw
graft eopolymerization with etherifying agent
produce
kind of natural modi—
fled plant cationic cationic floceulant is easily degradable and do not produce secondary
pollution in coal washing waste water study showed that when the pH rsnges from 6 to 8,
the inputs of ulants and PAM
10 mg/L and 5 mg/L,the removal
of turbidity,CODc。and
suspended solids in the coal washing waste water up to %,%,%.
Key words:modified cationic ulant;wood powder;floeculation;coat washing waste water
研究资料表明,中国煤炭行业每年废水排放量
约3亿t,其中国有重点煤矿洗煤废水就达到
元水乙醇、PAM均为分析纯;洗煤废水,水质见表l。
H1-93703