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Preparation of Arsenic Oxide and High Purity Ultrafine Antimony Compounds from Flue Dust Containing Arsenic and Antimony 被引量:3
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作者 段学臣 赵天从 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 1999年第3期278-282,共5页
1 INTRODUCTIONIt is estimated that there are about 6000 tons of arsenic loaded into smelters along with theirvarious concentrates each year in China(reference data from 1986).As result,a lot of flue dustcontaning arse... 1 INTRODUCTIONIt is estimated that there are about 6000 tons of arsenic loaded into smelters along with theirvarious concentrates each year in China(reference data from 1986).As result,a lot of flue dustcontaning arsenic and antimony is produced.Utilization and treatment of this flue dust are ofsignificance for the econony of recovery of arsenic and antimony and the environmental protection.But conventional treatment processes of Pyrometallurgical volatilization and hydrometallurgicalleaching are unsatisfactory because of the difficulty in seperating As and Sb as well as inpreventing secondary pollution.This research is intended to develop a new low temperaturechlorination-distillation process with high recovery of val uables and low pollution. 展开更多
关键词 制备 氧化砷 锑化合物 纯净度 烟道尘 超细粉未 复合粉末 精馏-整流 废物利用 环境保护 化学工业
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