环境工程学报2012，Vol.6Issue(9)：3325-3328,4.
循环流化床灰制备聚合氯化铝铁絮凝剂
Preparation of polymeric aluminum ferric chloride from circulating fluidized bed ash
摘要
Abstract
Using the circulating fluidized bed（CFB） ash from the coal gangue power plant as the raw material,a polymeric aluminum ferric chloride（PAFC） flocculant was prepared by the process of acid leaching,hydrolysis,polymerization,aging,etc.Parameters of acid leaching process of the PAFC preparation were particularly studied,and the optimum conditions were obtained： hydrochloric acid concentration of 20.2%,acid leaching temperature of 110℃,acid leaching time of 2 hours,ratio of liquid to solid of 4∶ 1,and the leaching rates of Fe2O3 and Al2O3 of 92.6% and 48.5%,respectively.Simultaneously,products based on optimum conditions were prepared,and the test of flocculating ability was carried out.The results show that flocculating ability of PAFC flocculants was better than poly aluminum chloride（PAC） under the same condition,and it was feasible to manufacture PAFC flocculants based on CFB ash.关键词
循环流化床灰/酸浸/浸出率/聚合氯化铝铁Key words
circulating fluidized bed ash/acid leaching/leaching rate/polymeric aluminum ferric chloride分类
资源环境引用本文复制引用
王金龙,任瑞晨,陈晨,曾维晨,刘悦,魏志天..循环流化床灰制备聚合氯化铝铁絮凝剂[J].环境工程学报,2012,6(9):3325-3328,4.基金项目
中国煤炭工业协会指导性计划项目 （）
辽宁省科学技术计划项目 （）
辽宁省教育厅重点实验室项目 （）
辽宁工程技术大学大学生科技创新项目 （）
