化工环保2012，Vol.32Issue(5)：448-451,4.
酸洗废液制备高纯氧化铁红
Preparation of High-purity Iron Oxide Red from Pickling Waste Liquor
杜蓉娟 1衣守志 1陈琛1
作者信息
- 1. 天津科技大学材料科学与化学工程学院,天津300457
- 折叠
摘要
Abstract
High-purity iron oxide red was prepared from steel plate pickling waste liquor via iron powder pretreatment, impurity removal, synthesis, washing, drying, calcination, and so on. The optimum process conditions are as follows: pretreatment temperature 80 ℃, pretreatment time 3 h, iron powder dosage 1.5 times as much as the theoretical value; impurity removal temperature 65 ℃, polyacrylamide dosage 60 mg/L; simultaneous dropping FeCl2 solution and saturated NH4HCO3 solution into the reactor for precipitation reaction; calcination temperature 800 ℃. Under these conditions, the high-purity iron oxide red with 99.3% of purity can be prepared from pickling waste liquor.关键词
酸洗废液/高纯/氧化铁红/综合利用Key words
pickling waste liquor/high-purity/iron oxide red/comprehensive utilization分类
化学化工引用本文复制引用
杜蓉娟,衣守志,陈琛..酸洗废液制备高纯氧化铁红[J].化工环保,2012,32(5):448-451,4.
