氰化尾渣资源化技术及环境影响应用研究
Environmental Science and Management(2019)
Abstract
通过调整生产工艺、优化配比添药剂,氰化尾渣资源化产品混合精矿中铅锌总品位由48. 96%提高至52. 90% ,铅锌总回收率由86. 0%提高至91. 1% . 12 000 t/年氰化尾渣资源化示范工程,生产铅锌混合精矿6 200 t,游离金0. 5 kg,年利润1 163万元;尾水全部回用于生产,尾矿综合利用.精矿和尾矿堆场采用高标准防渗、防风抑尘等措施,大气无组织排放颗粒物、铅及其化合物、氰化氢浓度满足标准要求,工程运行多年对周边土壤及地下水环境影响较小.
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