滇中有色污酸硫化法处理项目通过竣工环保验收

基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材镁
稀有金属	稀土稀土矿稀土氧化物稀土金属钕铁硼稀散金属锑铋铟锗镓硒钽锆贵金属白银钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉硒
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅

基础金属

铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材镁

稀有金属

稀土稀土矿稀土氧化物稀土金属钕铁硼 稀散金属锑铋铟锗镓硒钽锆 贵金属白银钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材钼钼精矿工业氧化钼钼铁钼化工高纯三氧化钼钼金属钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉硒

新能源

锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰 锂电正负极三元前驱体磷酸铁正极材料石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅

滇中有色污酸硫化法处理项目通过竣工环保验收

2025-06-16 10:40:36 来源：北方有色网责任编辑：韩泽楷

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危废减量技术革新引领行业绿色转型

楚雄，2024年8月6日——楚雄滇中有色金属有限责任公司（以下简称“滇中有色”）建设的“污酸硫化法处理项目”正式通过竣工环境保护验收。该项目通过创新性硫化技术高效去除污酸中的重金属，大幅削减危险废物产生量，为企业绿色低碳发展注入新动能。

一、项目核心：技术创新驱动环保升级

技术原理项目在现有污酸处理站前端新增硫化氢反应系统，利用硫化氢与污酸中的砷、铜等重金属发生沉淀反应，生成稳定的硫化砷渣等副产物，从源头削减重金属污染。同时，改造石膏中和系统、石灰铁盐系统，实现污酸“梯级净化”。
工程亮点
- 零新增占地：项目依托厂区现有763平方米污酸处理站空间，通过设备升级与管线优化完成改造。
- 低碳运行：硫化尾气采用“污酸洗涤+碱液喷淋”两级吸收处理，确保硫化氢排放符合《恶臭污染物排放标准》（GB14554-93）；废水全流程回用，实现零外排。

二、环保效益：危废减量70%，资源高效回收

危废管控突破传统污酸处理工艺产生大量含砷危废渣，而硫化法通过化学沉淀分离，减少危废渣量超70%。产生的硫化砷渣、中和渣等暂存于标准化危废库，定期交由资质单位处置或安全填埋。
资源循环利用
- 污酸处理后废水经深度处理站（1200m³/d能力）回用于冷却系统补水和熔炼冲渣；
- 石膏渣经鉴别后实施“外售综合利用或填埋”的分级处置策略，推动固废资源化。

三、企业实践：环保合规与科技赋能双轨并进

环保管理升级：2023年，滇中有色完成排污许可证延期，新增危废暂存间废气监测要求，污染物排放总量远低于许可限值，连续多年实现100%达标排放。
技术底蕴支撑：作为国家知识产权示范企业，滇中有色累计持有全球专利121项（含国际专利1项），其“高铅锌铜原料脱杂与综合回收技术”获中国质量协会技术二等奖，为污酸资源化处理提供技术保障。

四、验收意义：树立冶炼行业绿色标杆

项目于2023年9月通过楚雄高新区环评审批，2024年8月完成竣工公示，标志着滇中有色在重金属污染防控领域迈出关键一步。其经验可为同类冶炼企业提供范例，助力国家《关于进一步加强重金属污染防控的意见》落地实施。

滇中有色负责人表示：“该项目是公司践行‘绿水青山就是金山银山’理念的核心举措。未来将持续优化清洁生产技术，为区域生态安全与行业可持续发展贡献力量。”

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滇中有色污酸硫化法处理项目通过竣工环保验收

危废减量技术革新引领行业绿色转型

一、项目核心：技术创新驱动环保升级

二、环保效益：危废减量70%，资源高效回收

三、企业实践：环保合规与科技赋能双轨并进

四、验收意义：树立冶炼行业绿色标杆

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