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含砷物料资源化无害化处置项目

含砷物料资源化无害化处置项目

  • Categories:冶金研究所
  • Author:
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  • Time of issue:2020-04-01
  • Views:1

(Summary description)项目针对铜冶炼过程的含砷废料,特别是污酸,开展砷无害化处置研究,创新开发了常压臭葱石法固砷技术,新工艺具有工艺简单、适应性强、处置成本低、砷渣的稳定性高等特点。关键技术申请发明专利4项,于2019年12月紫金铜业有限公司进行工业化,沉砷渣毒性浸出符合《GB18598-2019危险废物填埋污染控制标准》标准,副产品石膏渣可作为水泥缓凝剂外售。根据测算,吨砷处置成本仅为现有工艺(硫化沉淀-外委处置)的

含砷物料资源化无害化处置项目

(Summary description)项目针对铜冶炼过程的含砷废料,特别是污酸,开展砷无害化处置研究,创新开发了常压臭葱石法固砷技术,新工艺具有工艺简单、适应性强、处置成本低、砷渣的稳定性高等特点。关键技术申请发明专利4项,于2019年12月紫金铜业有限公司进行工业化,沉砷渣毒性浸出符合《GB18598-2019危险废物填埋污染控制标准》标准,副产品石膏渣可作为水泥缓凝剂外售。根据测算,吨砷处置成本仅为现有工艺(硫化沉淀-外委处置)的

  • Categories:冶金研究所
  • Author:
  • Origin:
  • Time of issue:2020-04-01
  • Views:1
Information

  项目针对铜冶炼过程的含砷废料,特别是污酸,开展砷无害化处置研究,创新开发了常压臭葱石法固砷技术,新工艺具有工艺简单、适应性强、处置成本低、砷渣的稳定性高等特点。关键技术申请发明专利4项,于2019年12月紫金铜业有限公司进行工业化,沉砷渣毒性浸出符合《GB18598-2019 危险废物填埋污染控制标准》标准,副产品石膏渣可作为水泥缓凝剂外售。根据测算,吨砷处置成本仅为现有工艺(硫化沉淀-外委处置)的48%,年节约处置费3700万元以上。

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