Article(id=1172618994981946213, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172618990200434867, articleNumber=1009-2617(2024)04-0345-12, orderNo=null, doi=10.13355/j.cnki.sfyj.2024.04.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1712419200000, receivedDateStr=2024-04-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1757503754610, onlineDateStr=2025-09-10, pubDate=1724083200000, pubDateStr=2024-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1757503754610, onlineIssueDateStr=2025-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1757503754610, creator=13701087609, updateTime=1757503754610, updator=13701087609, issue=Issue{id=1172618990200434867, tenantId=1146029695717560320, journalId=1146120122248306696, year='2024', volume='43', issue='4', pageStart='345', pageEnd='471', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1757503753469, creator=13701087609, updateTime=1758502232130, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1176806913292513711, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172618990200434867, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1176806913296708016, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172618990200434867, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=345, endPage=356, ext={EN=ArticleExt(id=1172618995535594348, articleId=1172618994981946213, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Research Progress and Application Prospect of Hydrometallurgy for Low Grade Laterite Nickle Ore, columnId=1152626642049446094, journalTitle=Hydrometallurgy of China, columnName=Reviews, runingTitle=null, highlight=null, articleAbstract=
The characteristics, industrial application status and research progress of hydrometallurgy for low grade laterite nickle ore by reduction roasting—normal pressure ammonia leaching and high-pressure acid leaching (HPAL), as well as the development of three generations of HPAL technology are summarized. The nickle-cobalt precipitation and enrichment technology and the application are introduced. The processes advantages and disadvantages of the H2S precipitation, MgO precipitation, direct NaOH precipitation are analyzed. The effectiveness of new precipitation process with alkali conversion and crystal seed activation has been explored. The development prospect of laterite nickel hydrometallurgical process is also prospected.
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阐述了还原焙烧—常压氨浸、高压酸浸(HPAL)湿法冶金技术处理低品位褐铁矿型红土镍矿的工艺特点、工业应用现状及研究进展,总结了三代HPAL技术的发展状况,介绍了镍钴沉淀富集技术及应用,分析了H2S沉淀、MgO沉淀、直接NaOH沉淀工艺的优点与不足,探讨了NaOH转碱转晶种新沉淀工艺的成效,并对红土镍矿湿法冶金工艺的发展前景进行了展望。
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李丹(1981—),男,硕士,高级工程师,主要研究方向为矿物技术分析及综合利用。
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李丹(1981—),男,硕士,高级工程师,主要研究方向为矿物技术分析及综合利用。
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还原焙烧—氨浸工艺流程[7], figureFileSmall=sf/c07yWgA7y0mJQF6n3fA==, figureFileBig=Z5v/p8LSNlZuKfsclGb3bA==, tableContent=null), ArticleFig(id=1179471206236434633, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=MDNUMLKY57imuiqdalhJQg==, figureFileBig=eCWorusSTSaQCzUHwcmW3A==, tableContent=null), ArticleFig(id=1179471206290960586, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=图2, caption=
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氧化镁沉淀镍钴工艺流程, figureFileSmall=ZM1gQRfuC9fbzFc3/43M6Q==, figureFileBig=fJdcg/NgceqtgMd8mhZIUw==, tableContent=null), ArticleFig(id=1179471206446149837, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 提取工艺 | 镍回收率 | 钴回收率 | 适用红土镍矿类型 | 产品结构 | 碳排放量*/(tCO2·t-1镍) |
| 火法 | 约90% | — | 高镍高硅高镁低铁型 | 镍铁、镍锍 | 74.6 |
| 湿法 | 常压氨浸 | 70%~80% | 40%~60% | 低镍高镁型 | 氧化镍 | — |
| 高压酸浸 | 90%~95% | 90%~95% | 低镍低镁高铁型 | 硫化镍钴、氢氧化镍钴 | 20.5 |
), ArticleFig(id=1179471206504870094, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表1, caption=
红土镍矿工业化处理工艺对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 提取工艺 | 镍回收率 | 钴回收率 | 适用红土镍矿类型 | 产品结构 | 碳排放量*/(tCO2·t-1镍) |
| 火法 | 约90% | — | 高镍高硅高镁低铁型 | 镍铁、镍锍 | 74.6 |
| 湿法 | 常压氨浸 | 70%~80% | 40%~60% | 低镍高镁型 | 氧化镍 | — |
| 高压酸浸 | 90%~95% | 90%~95% | 低镍低镁高铁型 | 硫化镍钴、氢氧化镍钴 | 20.5 |
), ArticleFig(id=1179471206567784655, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni | Co | Al | Fe | Mg | Mn | Cr | SiO2 | S | C | Ca | K |
| 1.07 | 0.1 | 2.3 | 43 | 2.5 | 0.72 | 2.0 | 12.5 | 0.14 | 0.22 | 0.05 | 0.024 |
), ArticleFig(id=1179471206634893520, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表2, caption=
褐铁矿型红土镍矿的主要化学组成 %
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni | Co | Al | Fe | Mg | Mn | Cr | SiO2 | S | C | Ca | K |
| 1.07 | 0.1 | 2.3 | 43 | 2.5 | 0.72 | 2.0 | 12.5 | 0.14 | 0.22 | 0.05 | 0.024 |
), ArticleFig(id=1179471206731362513, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 国家 | 项目名称 | 原料及主要成分 | 产品种类 | 生产能力/(t·a-1) |
| 印度 | SukindaPlant | 红土矿镍:Ni 0.4%~1.2%,Co 0.04%~0.10%, Fe 30%~58% | 金属镍粉 金属钴粉 | 4 800 200 |
| 菲律宾 | 诺诺克镍厂 | 红土镍矿:Ni 1.23%,Co 0.1%,Fe 37% | 镍粉镍块 | 31 000 |
| 澳大利亚 | 雅布鲁精炼厂 | 红土镍矿:Ni 1.57%,Co 0.1%,Fe 30% | 烧结NiO | 30 000 |
| 阿尔巴尼亚 | 爱尔巴桑镍冶炼厂 | 红土镍矿:Ni 0.9%,Co 0.06%,Fe 45%, SiO2 <10%,MgO <3%,CaO <3% | 镍块 | 5 000 |
| 斯洛伐克 | 谢列德厂 | 红土镍矿:Ni 0.9%,Co 0.16%,Fe 50%, SiO2 1%~10%,MgO 1%~4%,CaO <3% | 电解镍 电解钴 | 3 000 100 |
| 巴西 | 圣保罗精炼厂 | 氧化镍矿:Ni 1.65% | 电解镍 电解钴 | 10 000 300 |
| 古巴 | 尼卡罗冶炼厂 | 高镁质硅酸镍矿:Ni+Co <1.3%,Fe 12%, SiO2 35%,MgO 29% | 烧结NiO | 18 000 |
| 切格瓦纳镍冶炼厂 | 高镁质硅酸镍矿:Ni+Co <1.3%,Fe 12%, SiO2 35%,MgO 29% | 烧结NiO | 23 000 |
| 中国 | 青海元石山镍冶炼厂 | 镍铁氧化矿:Ni 0.9%,Co 0.06%, Fe 32%,SiO2 <18%,MgO <5% | 精制硫酸镍 | 3 000 |
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采用还原焙烧—常压氨浸工艺处理红土镍矿的项目情况[20]
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| 国家 | 项目名称 | 原料及主要成分 | 产品种类 | 生产能力/(t·a-1) |
| 印度 | SukindaPlant | 红土矿镍:Ni 0.4%~1.2%,Co 0.04%~0.10%, Fe 30%~58% | 金属镍粉 金属钴粉 | 4 800 200 |
| 菲律宾 | 诺诺克镍厂 | 红土镍矿:Ni 1.23%,Co 0.1%,Fe 37% | 镍粉镍块 | 31 000 |
| 澳大利亚 | 雅布鲁精炼厂 | 红土镍矿:Ni 1.57%,Co 0.1%,Fe 30% | 烧结NiO | 30 000 |
| 阿尔巴尼亚 | 爱尔巴桑镍冶炼厂 | 红土镍矿:Ni 0.9%,Co 0.06%,Fe 45%, SiO2 <10%,MgO <3%,CaO <3% | 镍块 | 5 000 |
| 斯洛伐克 | 谢列德厂 | 红土镍矿:Ni 0.9%,Co 0.16%,Fe 50%, SiO2 1%~10%,MgO 1%~4%,CaO <3% | 电解镍 电解钴 | 3 000 100 |
| 巴西 | 圣保罗精炼厂 | 氧化镍矿:Ni 1.65% | 电解镍 电解钴 | 10 000 300 |
| 古巴 | 尼卡罗冶炼厂 | 高镁质硅酸镍矿:Ni+Co <1.3%,Fe 12%, SiO2 35%,MgO 29% | 烧结NiO | 18 000 |
| 切格瓦纳镍冶炼厂 | 高镁质硅酸镍矿:Ni+Co <1.3%,Fe 12%, SiO2 35%,MgO 29% | 烧结NiO | 23 000 |
| 中国 | 青海元石山镍冶炼厂 | 镍铁氧化矿:Ni 0.9%,Co 0.06%, Fe 32%,SiO2 <18%,MgO <5% | 精制硫酸镍 | 3 000 |
), ArticleFig(id=1179471206852997331, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| HPAL技术 | 高压浸出釜特点 | 浸出温度/℃ | 浸出压力/MPa | 工业应用项目 |
| 第一代 | ϕ3.05 m×15.8 m立式无机械搅拌高压浸出釜 | 246 | 4.1 | 古巴Moa |
| 第二代 | ϕ4.6 m×30 m的6隔室卧式高压釜防爆复合钛板 | 250~255 | 4.1~4.5 | 西澳Bulong、Cawse、Murrin Murrin |
| 第三代 | 巴布亚新几内亚Ramu项目采用ϕ5.1 m×39.2 m的7隔室卧式高压釜,釜体材料采用(118+8)mm钢衬钛(Gr.17)复合板 | 245~270 | 4~5 | 巴布亚新几内亚Ramu,菲律宾Coral Bay、Taganito,马达加斯加Ambatovy,印尼力勤OBI、华越、青美邦、华飞 |
), ArticleFig(id=1179471206915911892, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表4, caption=
三代HPAL技术特点及应用项目情况
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| HPAL技术 | 高压浸出釜特点 | 浸出温度/℃ | 浸出压力/MPa | 工业应用项目 |
| 第一代 | ϕ3.05 m×15.8 m立式无机械搅拌高压浸出釜 | 246 | 4.1 | 古巴Moa |
| 第二代 | ϕ4.6 m×30 m的6隔室卧式高压釜防爆复合钛板 | 250~255 | 4.1~4.5 | 西澳Bulong、Cawse、Murrin Murrin |
| 第三代 | 巴布亚新几内亚Ramu项目采用ϕ5.1 m×39.2 m的7隔室卧式高压釜,釜体材料采用(118+8)mm钢衬钛(Gr.17)复合板 | 245~270 | 4~5 | 巴布亚新几内亚Ramu,菲律宾Coral Bay、Taganito,马达加斯加Ambatovy,印尼力勤OBI、华越、青美邦、华飞 |
), ArticleFig(id=1179471206983020757, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目名称 | 镍设计产能/(万t·a-1) | 投产时间 | 地点 |
| 印尼力勤OBI岛一期、二期HPAL项目 | 5.5 | 2021年5月19日 | OBI岛 |
| 印尼华越镍钴项目 | 6 | 2021年12月1日 | Morowali工业园 |
| 印尼青美邦项目一期 | 3 | 2022年9月26日 | Morowali工业园 |
| 印尼华飞镍钴项目 | 12 | 2023年6月20日 | WedaBay工业园 |
| 印尼力勤OBI岛三期HPAL项目 | 6 | 规划建设 | OBI岛 |
| 印尼华宇镍钴项目 | 12 | 规划建设 | WedaBay工业园 |
| 青山集团印尼瑞隆项目 | 12 | 规划建设 | WedaBay工业园 |
| 青山集团印尼晨曦项目 | 12 | 规划建设 | Morowali工业园 |
), ArticleFig(id=1179471207041741014, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表5, caption=
印尼高压酸浸项目情况
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| 项目名称 | 镍设计产能/(万t·a-1) | 投产时间 | 地点 |
| 印尼力勤OBI岛一期、二期HPAL项目 | 5.5 | 2021年5月19日 | OBI岛 |
| 印尼华越镍钴项目 | 6 | 2021年12月1日 | Morowali工业园 |
| 印尼青美邦项目一期 | 3 | 2022年9月26日 | Morowali工业园 |
| 印尼华飞镍钴项目 | 12 | 2023年6月20日 | WedaBay工业园 |
| 印尼力勤OBI岛三期HPAL项目 | 6 | 规划建设 | OBI岛 |
| 印尼华宇镍钴项目 | 12 | 规划建设 | WedaBay工业园 |
| 青山集团印尼瑞隆项目 | 12 | 规划建设 | WedaBay工业园 |
| 青山集团印尼晨曦项目 | 12 | 规划建设 | Morowali工业园 |
), ArticleFig(id=1179471207117238487, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目名称 | 镍设计产能/ (t·a-1) | 钴设计产能/ (t·a-1) | 硫化沉淀 工艺 |
| 古巴Moa | 35 000 | 3 600 | HMSP |
| 西澳Murrin Murrin | 40 000 | 2 500 | MMSP |
| 菲律宾coral Bay(一期) | 10 000 | 750 | LMSP |
| 菲律宾Taganito | 30 000 | 2 640 | LMSP |
| 马达加斯加Ambatovy | 60 000 | 5 000 | HMSP |
), ArticleFig(id=1179471207184347352, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表6, caption=
世界主要硫化沉淀工艺项目情况
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| 项目名称 | 镍设计产能/ (t·a-1) | 钴设计产能/ (t·a-1) | 硫化沉淀 工艺 |
| 古巴Moa | 35 000 | 3 600 | HMSP |
| 西澳Murrin Murrin | 40 000 | 2 500 | MMSP |
| 菲律宾coral Bay(一期) | 10 000 | 750 | LMSP |
| 菲律宾Taganito | 30 000 | 2 640 | LMSP |
| 马达加斯加Ambatovy | 60 000 | 5 000 | HMSP |
), ArticleFig(id=1179471207238873305, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 技术参数 | 实际值 | 设计值 |
| 镍钴沉淀平均进料流量/(m3·h-1) | 570 | 2 000 |
| 产品浓密机絮凝剂用量/(g·t-1) | >1 000 | 120 |
| 产品压滤机作业周期/min | >40 | 18 |
| MHP产品平均含水率/% | 74 | 68 |
), ArticleFig(id=1179471207305982170, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表7, caption=
氢氧化钠直接沉淀工艺技术参数
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| 技术参数 | 实际值 | 设计值 |
| 镍钴沉淀平均进料流量/(m3·h-1) | 570 | 2 000 |
| 产品浓密机絮凝剂用量/(g·t-1) | >1 000 | 120 |
| 产品压滤机作业周期/min | >40 | 18 |
| MHP产品平均含水率/% | 74 | 68 |
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| 沉淀工艺 | 产品指标 | 项目指标 |
| w(水)/% | w(镍)/% | 整体作业率/% | 项目达产率/% |
| H2S | <25 | >50 | — | 80 |
| MgO | 约50 | 40~50 | 90 | 80 |
| 直接NaOH | >70 | <35 | — | 35 |
| NaOH转碱转晶种及AACP | <50 | >40 | >92 | 110 |
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不同沉淀工艺的技术指标对比情况
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| 沉淀工艺 | 产品指标 | 项目指标 |
| w(水)/% | w(镍)/% | 整体作业率/% | 项目达产率/% |
| H2S | <25 | >50 | — | 80 |
| MgO | 约50 | 40~50 | 90 | 80 |
| 直接NaOH | >70 | <35 | — | 35 |
| NaOH转碱转晶种及AACP | <50 | >40 | >92 | 110 |
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| 工艺 | 优点 | 缺点 | 环境危害 | 回收率 |
| 火法 | 处理量大、流程短 | 耗能高、碳排放强度高,环境污染重 | 废气、粉尘、废渣 | 镍:约90% |
| 湿法 | 还原焙烧—常压氨浸 | 浸出剂可循环回收利用 | 镍钴回收率低 | 废水、废渣 | 镍:70%~80% 钴:40%~60% |
| 高压酸浸—H2S沉淀 | 回收率高、产品纯度高、pH低 | 配套设施多,投资大,H2S为风险源,运营风险大 | 废水、废渣 | 94%~98% |
| 高压酸浸—MgO沉淀 | 安全性高,回收率高 | MgO消耗大,MgO容易失活,影响产品质量 | 废水、废渣 | 94%~98% |
| 高压酸浸—直接NaOH沉淀 | 工艺简单,安全性高 | 有价金属离子流失严重,回收率低 | 废水、废渣 | 约70% |
| 高压酸浸—转碱转晶种沉淀 | 回收率高、生产效率高,产品质量好 | 转碱转晶种过程中使用的氢氧化钠沉淀剂,价格较贵,成本较高 | 废水、废渣 | 约90% |
), ArticleFig(id=1179471207578611934, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172618994981946213, language=CN, label=表9, caption=
红土镍矿中处理工艺对比情况
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| 工艺 | 优点 | 缺点 | 环境危害 | 回收率 |
| 火法 | 处理量大、流程短 | 耗能高、碳排放强度高,环境污染重 | 废气、粉尘、废渣 | 镍:约90% |
| 湿法 | 还原焙烧—常压氨浸 | 浸出剂可循环回收利用 | 镍钴回收率低 | 废水、废渣 | 镍:70%~80% 钴:40%~60% |
| 高压酸浸—H2S沉淀 | 回收率高、产品纯度高、pH低 | 配套设施多,投资大,H2S为风险源,运营风险大 | 废水、废渣 | 94%~98% |
| 高压酸浸—MgO沉淀 | 安全性高,回收率高 | MgO消耗大,MgO容易失活,影响产品质量 | 废水、废渣 | 94%~98% |
| 高压酸浸—直接NaOH沉淀 | 工艺简单,安全性高 | 有价金属离子流失严重,回收率低 | 废水、废渣 | 约70% |
| 高压酸浸—转碱转晶种沉淀 | 回收率高、生产效率高,产品质量好 | 转碱转晶种过程中使用的氢氧化钠沉淀剂,价格较贵,成本较高 | 废水、废渣 | 约90% |
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