赤峰云铜首创国内高盐废水回收利用工艺

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

赤峰云铜首创国内高盐废水回收利用工艺

2025-05-13 13:51:40 来源：中国有色金属报责任编辑：韩泽楷

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近日，赤峰云铜突破高盐废水回收利用瓶颈，并顺利通过了长沙有色冶金设计研究院有限公司7位专家组成的专家组评审。专家一致认为，赤峰云铜余热乏汽回用耦合高盐废水零排放综合治理项目工艺先进，为国内首创。

早在2021年初，赤峰云铜党委积极响应国家环保要求，提前布局高盐废水治理工作，将制酸三级水和城市再生水制取化学水浓水的高盐废水处置研究任务，交由赤峰云铜动力厂承担。赤峰云铜动力厂迅速行动，开启了高盐废水回收利用的探索之旅。

赤峰云铜动力厂党支部发挥政治功能和组织功能，抽调专业技术人员组建了一支精干的项目团队。支部党员敢于大胆设想，刻苦钻研试验，项目组自制试验设备，开展一系列工艺实验。项目组在实践过程中，不断发现难题、剖析难题、排解难题，通过先行先试，精准确定回收利用处置工艺热源，为项目试验明确了攻坚方向。

为进一步优化工艺，该项目组经过筛选多方信息，赤峰云铜最终与中国恩菲工程技术有限公司达成合作。依托其LTE低温热法浓缩工艺的专利技术，开展高盐废水低温蒸发浓缩段试验。试验成果显著，目标产水率达90%，产水电导均值仅66.18μs/cm，产出的水可直接用作循环水补充水等；项目组着重探究废水浓缩过程中不同材质挂片表面的腐蚀情况，锁定核心材质，为设备选材提供了关键依据。

在前期基础上，该项目组探索实施低温蒸发浓缩耦合空气全能塔革新低温蒸发结晶分盐工艺，成功产出合格元明粉（符合GB/T 6009-2014《工业无水硫酸钠》Ⅱ类合格品标准）和氯化钠（符合GB/T 5462-2015《工业盐》中日晒工业盐标准）。这一创新不仅大幅降低设备能耗与运行费用，还为高盐废水处理开辟了全新路径。

该项目组持续聚焦离子控制与运行周期优化，精准把控高盐废水中钙离子、氟离子、氯离子等含量，逐步明晰离子变化对结垢的影响规律和钛管腐蚀问题。经过不懈努力，设备最大运行周期成功达到45天，显著提升设备运行稳定性，为废水处理效率提升与成本控制提供了有力支撑。

历经4年的实验摸索、完善与验证，在高盐废水综合治理工艺上取得重大突破。打造出了短流程、低能耗、寿命长、成本低、离子可控、高度适配冶炼高盐高钙废水水质、设备投资与综合成本可控的高盐废水低温蒸发浓缩、分盐工艺，为企业绿色发展与废水高效处理筑牢坚实基础。目前，高盐废水回收利用工艺多环节成功贯通，具备了高盐废水治理成果转化条件。

下一步，赤峰云铜将按照赤峰市生态环境局外排废水要求，积极推进“高盐废水低温蒸发浓缩+协同空气全能塔低温蒸发结晶分盐工艺”科技成果转化，全力开展工业化项目实施，以实际行动践行环保责任，为地区生态环境持续改善贡献力量。

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赤峰云铜首创国内高盐废水回收利用工艺

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