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高砷烟道灰预处理水浸液中锌砷分离
  • ISSN号：1009-606X
  • 期刊名称：过程工程学报
  • 时间：2014.8.15
  • 页码：599-604
  • 分类：X754[环境科学与工程—环境工程]
  • 作者机构：[1]山东大学化学与化工学院,山东济南250061, [2]中国科学院过程工程研究所湿法冶金清洁生产技术国家工程实验室,北京100190
  • 相关基金：基金委杰出青年基金资助项目（编号：51125018）;科技部科技支撑基金资助项目（编号：2014BAC03800）
  • 相关项目：湿法冶金
作者： 赵伟|张绘|于萍|齐涛|
关键词： 烟道灰, 锌, 砷, 分离, 水浸液, flue dust, Zn, arsenic, separation, water leaching solution
中文摘要：

对经热水浸出的高砷烟道灰水浸液进行锌砷分离，基于单独使用Fe2（SO4）3和CaO除砷的实验结果，提出了Fe2（SO4）3-CaO耦合分离锌砷工艺．结果表明，在溶液pH=2、摩尔比H202／As3＋1．3：1，Fe3＋／As5＋ 1：1．5，Ca2＋／As2＋ 1．5：1及反应温度70℃、反应时间1．5h的条件下，砷脱除率超过80％，锌没有损失，实现了锌砷高效分离．

英文摘要：

The separation process of Zn with As from the water leaching solution of high arsenic content flue dust was studied. Based on the results of ferric sulfate route and calcium oxide route, a ferric sulfate-calcium oxide coupled separation route of Zn with As was proposed. The results show that under the optimal conditions of pH value 2, molar ratio of H2O2/As3＋ 1.3：1, Fe3＋/As5＋ 1：1.5, Ca2＋/As5＋ 1.5：1, reaction temperature 70℃ and time 1.5 h, the As removal rate reaches more than 80% while the loss of Zn nearly is zero. The effective separation of Zn with As has been achieved in this new route.

同期刊论文项目
湿法冶金
期刊论文 108 会议论文 9 专利 18 著作 1
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期刊信息
  • 《过程工程学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院过程工程研究所
  • 主编：张锁江
  • 地址：北京市海淀区中关村北二街1号过程大厦
  • 邮编：100190
  • 邮箱：CJPE@HOME.IPE.AC.CN GCGC@HOME.IPE.AC.CN
  • 电话：010-62554658
  • 国际标准刊号：ISSN：1009-606X
  • 国内统一刊号：ISSN：11-4541/TQ
  • 邮发代号:80-297
  • 获奖情况:
  • 国家中文核心期刊,中国科学院核心期刊,中国期刊方阵“双效”期刊,中国科学院优秀期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:11515