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DOI:
矿冶:2020,(4):-
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高砷高锡铅阳极泥脱砷与综合回收工业试验
方红生1, 李慧颖1, 王晓阳1, 孙雁军2, 魏晓玲3, 王文祥1
(1.广东环境保护工程职业学院;2.广东飞南资源利用股份有限公司;3.白银矿冶职业技术学院)
Industrial Test of Arsenic Removal and Comprehensive Recovery from high As, Sn and Pb bearing anode slime
fanghongsheng1, lihuiying1, wangxiaoyng1, sunyanjun2, weixiaoling3, wangwenxiang1
(1.Guangdong Polytechnic of Environmental Protection Engineering;2.Zhaoqing Feinan Metal Co.,Ltd.;3.Baiyin Institute of Mining and Metallurgy)
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投稿时间:2019-12-17    修订日期:2019-12-31
中文摘要: 在前期高砷高锡铅阳极泥脱砷及资源综合回收小试、扩大试验基础上,设计建造了3t/d的高砷高锡铅阳极泥综合回收中试生产线。在碱料比0.8、焙烧温度600 ℃、焙烧时间2.2h、液固比3(mL/g)、浸出温度80℃、浸出时间2h条件下实现了砷锡分离。浸出渣为锡铅锑渣,浸出液在80℃下蒸发结晶得到粗砷酸盐产品。经检测,产品锡铅锑渣含锡32.66 %、铅12.65%,锑14.75%,粗砷酸盐中砷酸钠的纯度达到57.3%,含12个结晶水。高砷高锡铅阳极泥综合回收中试试验实现了阳极泥中砷、有价金属的分离回收,对于环境保护及资源的综合利用具有重要的现实意义。
中文关键词:       阳极泥  碱性焙烧  中试试验
Abstract:On the basis of the pilot and scale-up experiments of As removal and resource comprehensive recovery from high As, Sn and Pb bearing anode slime,a 3t/d pilot production line for comprehensive recovery of high As, Sn and Pb bearing anode slime was designed and constructed.The separation of As and Sn was achieved under the conditions of alkali ratio 0.8, roasting temperature 600℃, roasting time 2.2 h, liquid-solid ratio 3 (mL/g), leaching temperature 80℃ and leaching time 2 h. The leaching residue contains Sn, Pb and Sb, and the coarse arsenate product is obtained by evaporation crystallization of the leaching solution at 80 ℃. The results showed that the leaching residue contains 32.66% Sn, 12.65% Pb and 14.75% Sb. The purity of sodium arsenate reaches 57.3% and contains 12 crystalline water. The pilot test of comprehensive recovery of high As, Sn and Pb bearing anode slime has realized the separation and recovery of As and valuable metals in anode slime, which has important practical significance for environmental protection and comprehensive utilization of resources.
keywords: As  Sn  Pb  anode slime  alkaline roasting  pilot test
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基金项目:广西重点研发计划资助(2019AB18001);2018年度甘肃省高等学校科研项目一般项目(2018A-291);2017广东普通高校创新团队项目(2017GKCXTD004);2018年广东环境保护工程职业学院院长基金青年项目(K630118122012)
引用文本:
方红生,李慧颖,王晓阳,孙雁军,魏晓玲,王文祥.高砷高锡铅阳极泥脱砷与综合回收工业试验[J].矿冶,2020,(4):.

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