Article(id=1240631878210867445, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631872800215183, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.01.018, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1725033600000, receivedDateStr=2024-08-31, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773719289590, onlineDateStr=2026-03-17, pubDate=1738339200000, pubDateStr=2025-02-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773719289590, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773719289590, creator=13701087609, updateTime=1773719289590, updator=13701087609, issue=Issue{id=1240631872800215183, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='1', pageStart='1', pageEnd='187', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773719288300, creator=13701087609, updateTime=1773724138257, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240652215052989235, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631872800215183, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240652215052989236, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240631872800215183, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=97, endPage=102, ext={EN=ArticleExt(id=1240631878508663046, articleId=1240631878210867445, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Purification of Nickel-Cobalt-Iron Rich Leachate and Preparation of Iron Phosphate, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=
The leachate obtained from the oxidation leach of nickel-cobalt-iron powder with sulfuric acid was taken in the study for preparing iron phosphate. After potential adjustment, Al3+ and Cr3+ in the leachate were removed by neutralization and precipitation to achieve an efficient separation of Fe2+ and Al3+. The purified solution was then oxidized and used to prepare ferric phosphate hydrate by iron precipitation with phosphoric acid. Finally, the purified Ni-Co-rich solution was used to prepare nickel-cobalt hydroxide. It is found that firstly, with pH of the leachate at 4.5, 10 min of reaction at 25 ℃ can lead to the removal rates of Al and Cr reaching 100% and 97.15%, with loss rate of Fe at 2.42%; secondly, the obtained purified solution is subjected to 10-min iron precipitation at 25 ℃ with pH of 2.1, resulting in iron precipitation rate of 97.30%, loss rates of Ni and Co at 0.36% and 0.64%, respectively; the precipitate, amorphous iron phosphate with water of crystallization, is then subjected to 2-h calcination at 700 ℃ and converted to anhydrous FePO4, with both impurity content and iron-phosphorus ratio up to the standard of type I anhydrous iron phosphate in HG/T 4701—2021.
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以镍钴铁粉经硫酸氧化浸出所得浸出液为研究对象,调整电位后采用中和沉淀法优先去除溶液中的Al3+和Cr3+,实现Fe2+与Al3+高效分离,净化液再经氧化后采用磷酸沉铁制备水合磷酸铁产品,富镍钴的净化液再用于制备氢氧化镍钴。结果表明,在溶液pH=4.5、反应温度25 ℃、反应时间10 min条件下,Al和Cr去除率分别为100%和97.15%,Fe损失率为2.42%;净化液在溶液pH值2.1、沉淀时间10 min、沉淀温度25 ℃条件下沉铁,Fe沉淀率为97.30%,Ni和Co损失率分别为0.36%和0.64%;沉淀产物为无定形且带结晶水的磷酸铁,经700 ℃煅烧2 h后转变为无水FePO4,其杂质含量和铁磷比符合HG/T 4701—2021中Ⅰ型无水磷酸铁的标准。
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, authorsList=胡美世, 陈靖, 罗骏, 李光辉, 彭志伟, 张鑫, 陈彦虎, 饶明军)}, authors=[Author(id=1240651360123810035, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=376766827@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1240651360283193597, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, authorId=1240651360123810035, language=EN, stringName=Meishi HU, firstName=Meishi, middleName=null, lastName=HU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Minerals Processing & Bioengineering, Central South University, Changsha 410083, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240651360429994247, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, authorId=1240651360123810035, language=CN, stringName=胡美世, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=中南大学 资源加工与生物工程学院,湖南 长沙 410083, bio={"content":"
胡美世(1999—),女,江西上饶人,硕士研究生,研究方向为镍钴资源提取和矿产资源高效利用。E-mail:376766827@qq.com
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胡美世(1999—),女,江西上饶人,硕士研究生,研究方向为镍钴资源提取和矿产资源高效利用。E-mail:376766827@qq.com
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4 and mixed hydroxide of nickel and cobalt from Ni-Co-Fe powder by leaching-purification-precipitation, refAbstract=null), Reference(id=1240651374766125898, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[14], rfOrder=20, authorNames=null, journalName=null, refType=null, unstructuredReference=HG/T 4701—2021. 电池用磷酸铁[S]., articleTitle=null, refAbstract=null), Reference(id=1240651374858400587, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[14], rfOrder=21, authorNames=null, journalName=null, refType=null, unstructuredReference=HG/T 4701—2021. Iron Phosphate for Battery[S]., articleTitle=null, refAbstract=null)], funds=[Fund(id=1240651372652196604, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, awardId=52174288; 51804346, language=CN, fundingSource=国家自然科学基金(52174288; 51804346), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1240651360014758125, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, xref=null, ext=[AuthorCompanyExt(id=1240651360018952429, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, companyId=1240651360014758125, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Minerals Processing & Bioengineering, Central South University, Changsha 410083, Hunan, China), AuthorCompanyExt(id=1240651360027341038, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, companyId=1240651360014758125, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中南大学 资源加工与生物工程学院,湖南 长沙 410083)])], figs=[ArticleFig(id=1240651367744860749, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.1, caption=
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制备磷酸铁的工艺路线, figureFileSmall=FHcG0FR3S5wmtXyQnWSJxA==, figureFileBig=4xxm5yvbm/bLJh22hkJbcg==, tableContent=null), ArticleFig(id=1240651367979741790, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.2, caption=
Effect of pH for reaction on removal rate, figureFileSmall=D1BoZl+OD5iVDdF5qELdhQ==, figureFileBig=Fn1PY9TjI5KATnAPaen9HQ==, tableContent=null), ArticleFig(id=1240651368072016485, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图2, caption=
反应pH值对去除率的影响, figureFileSmall=D1BoZl+OD5iVDdF5qELdhQ==, figureFileBig=Fn1PY9TjI5KATnAPaen9HQ==, tableContent=null), ArticleFig(id=1240651368189457008, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.3, caption=
Effect of reaction temperature on removal rate, figureFileSmall=PjIpSG9o0QPwO5AjCcD+gA==, figureFileBig=UcmnFElCve/o5ueTXvLVOg==, tableContent=null), ArticleFig(id=1240651368285926006, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图3, caption=
反应温度对去除率的影响, figureFileSmall=PjIpSG9o0QPwO5AjCcD+gA==, figureFileBig=UcmnFElCve/o5ueTXvLVOg==, tableContent=null), ArticleFig(id=1240651368407560829, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.4, caption=
Effect of reaction time on removal rate, figureFileSmall=xpWOORSE8FzEGUJTEVI7Jg==, figureFileBig=DWifSY1epAUmDPA7LdxUoA==, tableContent=null), ArticleFig(id=1240651368516612740, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图4, caption=
反应时间对去除率的影响, figureFileSmall=xpWOORSE8FzEGUJTEVI7Jg==, figureFileBig=DWifSY1epAUmDPA7LdxUoA==, tableContent=null), ArticleFig(id=1240651368634053256, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.5, caption=
Effect of pH on precipitation rate, figureFileSmall=/L+ElKvkQvkLXLCp0A/QjQ==, figureFileBig=wjt4QmQRA6khkSui2ayJLg==, tableContent=null), ArticleFig(id=1240651368734716558, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图5, caption=
沉淀pH值对沉淀率的影响, figureFileSmall=/L+ElKvkQvkLXLCp0A/QjQ==, figureFileBig=wjt4QmQRA6khkSui2ayJLg==, tableContent=null), ArticleFig(id=1240651368818602644, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.6, caption=
Effect of temperature on precipitation rate, figureFileSmall=tLvMP+u+eK7w19zMHDZNfA==, figureFileBig=Y1IZ+WMT/c2A8ktJ9+9FxQ==, tableContent=null), ArticleFig(id=1240651368936043163, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图6, caption=
沉淀温度对沉淀率的影响, figureFileSmall=tLvMP+u+eK7w19zMHDZNfA==, figureFileBig=Y1IZ+WMT/c2A8ktJ9+9FxQ==, tableContent=null), ArticleFig(id=1240651369040900767, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.7, caption=
Effect of precipitation time on precipitation rate, figureFileSmall=V3f0IFrXafr8Y8IQ9gc+3Q==, figureFileBig=ZKyuNXxTx3CfRUnL4yVXNQ==, tableContent=null), ArticleFig(id=1240651369124786853, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图7, caption=
沉淀时间对沉淀率的影响, figureFileSmall=V3f0IFrXafr8Y8IQ9gc+3Q==, figureFileBig=ZKyuNXxTx3CfRUnL4yVXNQ==, tableContent=null), ArticleFig(id=1240651369254810282, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.8, caption=
XRD pattern of precipitate, figureFileSmall=8icOgkASVRwzGSVfhNBpVQ==, figureFileBig=yT0CpUwDaYuzSgve2GUEPg==, tableContent=null), ArticleFig(id=1240651369347084971, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图8, caption=
沉淀产物XRD图谱, figureFileSmall=8icOgkASVRwzGSVfhNBpVQ==, figureFileBig=yT0CpUwDaYuzSgve2GUEPg==, tableContent=null), ArticleFig(id=1240651369468719796, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.9, caption=
SEM pattern and particle size distribution of precipitate, figureFileSmall=2rwMnsEHtigOTIXUrRkcHg==, figureFileBig=LoHF02tqTz2PlNVnyQ8Zrw==, tableContent=null), ArticleFig(id=1240651369581966008, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图9, caption=
沉淀产物SEM图谱和粒度分布(a)SEM图谱;(b)粒度分布
, figureFileSmall=2rwMnsEHtigOTIXUrRkcHg==, figureFileBig=LoHF02tqTz2PlNVnyQ8Zrw==, tableContent=null), ArticleFig(id=1240651369674240698, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Fig.10, caption=
XRD pattern of FePO4 obtained by calcination at 700 ℃ for 2 h, figureFileSmall=A3hdUbJxg7dIDWeDdHBsgQ==, figureFileBig=scTERm8ezmWxMOwXg9+1nQ==, tableContent=null), ArticleFig(id=1240651369791681218, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=图10, caption=
700 ℃下煅烧2 h所得磷酸铁产品XRD图谱, figureFileSmall=A3hdUbJxg7dIDWeDdHBsgQ==, figureFileBig=scTERm8ezmWxMOwXg9+1nQ==, tableContent=null), ArticleFig(id=1240651369900733126, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Table 1, caption=
Concentration of each element in leachate
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| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe2+ | Fe3+ |
|---|
| 9.77 | 0.77 | 0.42 | 1.27 | 0.84 | 0.34 | 29.90 | 21.56 |
), ArticleFig(id=1240651370047533773, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=表1, caption=
浸出液中各元素质量浓度
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe2+ | Fe3+ |
|---|
| 9.77 | 0.77 | 0.42 | 1.27 | 0.84 | 0.34 | 29.90 | 21.56 |
), ArticleFig(id=1240651370135614160, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Table 2, caption=
Concentration of each ion in leachate after potential adjustment
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe2+ |
|---|
| 10.21 | 0.72 | 1.81 | 1.02 | 0.86 | 0.51 | 67.44 |
), ArticleFig(id=1240651370248860375, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=表2, caption=
电位调整后液中各离子质量浓度
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe2+ |
|---|
| 10.21 | 0.72 | 1.81 | 1.02 | 0.86 | 0.51 | 67.44 |
), ArticleFig(id=1240651370357912278, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Table 3, caption=
Concentration of each element in solution after removal of Al and Cr
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe2+ | Fe3+ |
|---|
| 9.22 | 0.66 | 1.69 | 0.04 | 0.74 | 0.02 | 57.21 | 0.91 |
), ArticleFig(id=1240651370479547097, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=表3, caption=
除铝、铬后液主要元素质量浓度
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe2+ | Fe3+ |
|---|
| 9.22 | 0.66 | 1.69 | 0.04 | 0.74 | 0.02 | 57.21 | 0.91 |
), ArticleFig(id=1240651371985302240, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Table 4, caption=
Concentration of each element in solution after Fe precipitation
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe3+ |
|---|
| 2 860.0 | 190.0 | 530.0 | 0.7 | 230.0 | 4.0 | 50.0 |
), ArticleFig(id=1240651372081771236, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=表4, caption=
沉铁后液中各元素质量浓度
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni2+ | Co2+ | Mn2+ | Al3+ | Mg2+ | Cr3+ | Fe3+ |
|---|
| 2 860.0 | 190.0 | 530.0 | 0.7 | 230.0 | 4.0 | 50.0 |
), ArticleFig(id=1240651372186628840, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Table 5, caption=
Content of each element and impurity of iron phosphate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 产品名称 | Fe | P | Mn | Al | Mg | Cr |
|---|
| HG/T 4701—2021 Ⅰ型商业磷酸铁产品[14] | 35.7~36.7 | 20.0~21.1 | ≤0.1 | ≤0.05 | ≤0.06 | — |
| 本文磷酸铁产品 | 36.19 | 20.07 | 0.043 | 0.019 | 0.053 | 0.003 4 |
), ArticleFig(id=1240651372287292139, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=表5, caption=
无水磷酸铁主要元素及杂质含量(质量分数)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 产品名称 | Fe | P | Mn | Al | Mg | Cr |
|---|
| HG/T 4701—2021 Ⅰ型商业磷酸铁产品[14] | 35.7~36.7 | 20.0~21.1 | ≤0.1 | ≤0.05 | ≤0.06 | — |
| 本文磷酸铁产品 | 36.19 | 20.07 | 0.043 | 0.019 | 0.053 | 0.003 4 |
), ArticleFig(id=1240651372396344050, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=EN, label=Table 6, caption=
Content of each element in MHP
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni | Co | Mn | Al | Mg | Cr | Fe |
|---|
| 41.54 | 2.46 | 7.03 | 0.002 | 1.07 | 0.011 | 0.05 |
), ArticleFig(id=1240651372480230131, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631878210867445, language=CN, label=表6, caption=
氢氧化镍钴主要元素含量(质量分数)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ni | Co | Mn | Al | Mg | Cr | Fe |
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| 41.54 | 2.46 | 7.03 | 0.002 | 1.07 | 0.011 | 0.05 |
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