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一种复合药剂处理含砷废渣的试验研究及应用

刘艳 龙冬清 徐峥勇 崔静 谢华明 熊炜平

刘艳, 龙冬清, 徐峥勇, 崔静, 谢华明, 熊炜平. 一种复合药剂处理含砷废渣的试验研究及应用[J]. 环境工程, 2025, 43(3): 138-146. doi: 10.13205/j.hjgc.202503012
引用本文: 刘艳, 龙冬清, 徐峥勇, 崔静, 谢华明, 熊炜平. 一种复合药剂处理含砷废渣的试验研究及应用[J]. 环境工程, 2025, 43(3): 138-146. doi: 10.13205/j.hjgc.202503012
LIU Yan, LONG Dongqing, XU Zhengyong, CUI Jing, XIE Huaming, XIONG Weiping. Experimental study and application of a compound reagent for treating arsenic residue[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(3): 138-146. doi: 10.13205/j.hjgc.202503012
Citation: LIU Yan, LONG Dongqing, XU Zhengyong, CUI Jing, XIE Huaming, XIONG Weiping. Experimental study and application of a compound reagent for treating arsenic residue[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(3): 138-146. doi: 10.13205/j.hjgc.202503012

一种复合药剂处理含砷废渣的试验研究及应用

doi: 10.13205/j.hjgc.202503012
基金项目: 

湖南省科技创新计划重点研发项目“垃圾焚烧飞灰和富硅废弃物协同处置及资源化技术攻关与工程示范(2024AQ2008);湖南省环保科研项目“垃圾焚烧飞灰水热无害化多步协同工艺与装备研究”(HBKYXM-2023009)

详细信息
    作者简介:

    刘艳(1986-),女,高级工程师,主要研究方向为固废处置及资源化利用。471252577@qq.com

    通讯作者:

    熊炜平(1990-),男,副教授,主要研究方向为废水处理处置及固废处理处置。xiongweiping@hnu.edu.cn

Experimental study and application of a compound reagent for treating arsenic residue

  • 摘要: 为开发一种稳定化固化效果好、增容比低、处置成本低且高效的含砷危险废渣处理复合药剂,以昆明金水铜冶炼公司砷渣为研究对象,选取水泥、石灰、白云砂(BYS)、聚合硫酸铁(PFS)、氧化剂、促凝剂作为药剂复配材料,对砷渣进行稳定化固化研究,通过分析固化体的浸出性能和抗压强度来确定最佳的稳定化药剂配比,并对其进行扩大化试验及经济效益分析。结果表明:砷渣固化体养护14 d抗压强度为8~10 MPa,满足危险废物转移、运输与安全填埋处置的要求;As浸出浓度为0.719 mg/L,pH值为9.74,浸出指标均满足GB 5085.3—2007《危险废物鉴别标准浸出毒性鉴别》和GB 18598—2019 《危险废物填埋污染控制标准》要求;高效复合药剂稳定化固化处理砷渣的吨药剂成本可减少26.5元,安全填埋场建设费和退役费可节省37.96元/t。以来源广泛、具有一定凝结性和吸附性能的白云砂作为添加材料,不仅能提升固化体水合作用,增加固化体致密性,解决现有重金属固化药剂增容比大、固化效果不佳的技术问题,还能降低生产成本,为企业创造更好的经济效益。
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  • 收稿日期:  2024-10-10
  • 录用日期:  2025-01-29
  • 修回日期:  2024-11-25
  • 网络出版日期:  2025-06-07
  • 刊出日期:  2025-03-01

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