Article(id=1172617839237280544, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172617833407197957, articleNumber=1009-2617(2024)05-0538-05, orderNo=null, doi=10.13355/j.cnki.sfyj.2024.05.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1716825600000, receivedDateStr=2024-05-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1757503479059, onlineDateStr=2025-09-10, pubDate=1729353600000, pubDateStr=2024-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1757503479059, onlineIssueDateStr=2025-09-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1757503479059, creator=13701087609, updateTime=1757503479059, updator=13701087609, issue=Issue{id=1172617833407197957, tenantId=1146029695717560320, journalId=1146120122248306696, year='2024', volume='43', issue='5', pageStart='473', pageEnd='591', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1757503477670, creator=13701087609, updateTime=1758275998347, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1175858020027347895, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172617833407197957, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1175858020027347896, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1172617833407197957, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=538, endPage=542, ext={EN=ArticleExt(id=1172617839597990691, articleId=1172617839237280544, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Preparation of High-grade Germanium Concentrate by Acid Pickling of Tannic Germanium Residue, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=
In view of the problems of low impurity removal rate and low grade of germanium concentrate in the washing process of tannin germanium residue, the As, Zn and Fe impurities in tannin germanium residue were effectively removed by washing with dilute sulfuric acid solution. The effects of sulfuric acid mass concentration, washing temperature and washing time, liquid volume to solid mass ratio on the removal rate of As, Zn and Fe impurities and Ge loss rate were investigated. The results show that under the conditions of sulfuric acid mass concentration of 60 g/L, liquid volume to solid mass ratio of 5 mL/1 g, washing temperature of 60 ℃,first washing time of 120 min, second washing and third washing time of 60 min, the cumulative removal rates of As, Zn and Fe can reach over 88%, 97% and 95%, respectively. Ge cumulative loss rate is less than 1.50%. The Ge and As grades of germanium concentrate prepared by three-stage countercurrent pickling and oxidation roasting process are 34.45% and 0.54%, respectively, which meet the tertiary standard of germanium concentrate.
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付维琴(1987—),女,硕士,正高级工程师,主要研究方向为加压湿法冶金及资源综合利用。
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付维琴(1987—),女,硕士,正高级工程师,主要研究方向为加压湿法冶金及资源综合利用。
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洗涤时间对砷、铁、锌脱除率及锗损失率的影响, figureFileSmall=uSwR8DoFQeDo+osQJ7uHFw==, figureFileBig=32FlKhbG345BYjVjp8cyrA==, tableContent=null), ArticleFig(id=1176949855126696501, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172617839237280544, language=EN, label=null, caption=null, figureFileSmall=lkWdeMpfp+FenJlFM3pFow==, figureFileBig=hqVd7nOtW33J+9+LJJJO4Q==, tableContent=null), ArticleFig(id=1176949855227359798, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172617839237280544, language=CN, label=图5, caption=
液固体积质量比对砷、铁、锌脱除率及锗损失率的影响, figureFileSmall=lkWdeMpfp+FenJlFM3pFow==, figureFileBig=hqVd7nOtW33J+9+LJJJO4Q==, tableContent=null), ArticleFig(id=1176949855286080055, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172617839237280544, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Ge | Zn | Fe | Mn | As | Cd |
| 1.70 | 17.01 | 1.59 | 0.46 | 0.26 | 0.054 |
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单宁锗渣的主要化学成分 %
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| Ge | Zn | Fe | Mn | As | Cd |
| 1.70 | 17.01 | 1.59 | 0.46 | 0.26 | 0.054 |
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| 洗涤方式 | 洗涤液 体积/mL | 洗涤液中ρB/(mg·L-1) | 净化单宁锗渣中wB/% | 渣率/ % | 脱除率/% | 锗损失 率/% |
| Ge | As | Zn | Fe | Ge | As | Zn | Fe | As | Zn | Fe |
| 一段洗涤 | 480 | 48.88 | 400 | 27 410 | 2 760 | 3.37 | 0.11 | 5.76 | 0.33 | 49.73 | 78.96 | 83.16 | 89.68 | 1.38 |
三段逆流 洗涤 | 695 | 52.50 | 470 | 34 130 | 3 120 | 4.51 | 0.083 | 0.98 | 0.18 | 37.07 | 88.17 | 97.86 | 95.80 | 1.43 |
| 690 | 47.97 | 480 | 34 440 | 3 200 | 4.78 | 0.081 | 0.95 | 0.11 | 35.06 | 89.08 | 98.04 | 97.57 | 1.30 |
| 695 | 51.09 | 480 | 34 250 | 3 170 | 4.72 | 0.078 | 0.86 | 0.13 | 35.46 | 89.36 | 98.21 | 97.10 | 1.39 |
| 685 | 45.53 | 480 | 34 640 | 3 220 | 4.54 | 0.075 | 0.97 | 0.12 | 36.93 | 89.35 | 97.89 | 97.21 | 1.22 |
| 690 | 50.37 | 480 | 34 410 | 3 210 | 4.37 | 0.068 | 0.91 | 0.096 | 38.29 | 89.99 | 97.95 | 97.69 | 1.36 |
), ArticleFig(id=1176949855550321210, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172617839237280544, language=CN, label=表2, caption=
三段逆流洗涤与一段洗涤试验结果对比
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| 洗涤方式 | 洗涤液 体积/mL | 洗涤液中ρB/(mg·L-1) | 净化单宁锗渣中wB/% | 渣率/ % | 脱除率/% | 锗损失 率/% |
| Ge | As | Zn | Fe | Ge | As | Zn | Fe | As | Zn | Fe |
| 一段洗涤 | 480 | 48.88 | 400 | 27 410 | 2 760 | 3.37 | 0.11 | 5.76 | 0.33 | 49.73 | 78.96 | 83.16 | 89.68 | 1.38 |
三段逆流 洗涤 | 695 | 52.50 | 470 | 34 130 | 3 120 | 4.51 | 0.083 | 0.98 | 0.18 | 37.07 | 88.17 | 97.86 | 95.80 | 1.43 |
| 690 | 47.97 | 480 | 34 440 | 3 200 | 4.78 | 0.081 | 0.95 | 0.11 | 35.06 | 89.08 | 98.04 | 97.57 | 1.30 |
| 695 | 51.09 | 480 | 34 250 | 3 170 | 4.72 | 0.078 | 0.86 | 0.13 | 35.46 | 89.36 | 98.21 | 97.10 | 1.39 |
| 685 | 45.53 | 480 | 34 640 | 3 220 | 4.54 | 0.075 | 0.97 | 0.12 | 36.93 | 89.35 | 97.89 | 97.21 | 1.22 |
| 690 | 50.37 | 480 | 34 410 | 3 210 | 4.37 | 0.068 | 0.91 | 0.096 | 38.29 | 89.99 | 97.95 | 97.69 | 1.36 |
), ArticleFig(id=1176949855621624379, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172617839237280544, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
洗涤 方法 | 净化单宁锗渣中wB/% | 锗精矿 质量/g | 锗精矿中wB/% |
| Ge | As | Zn | Fe | Ge | As | Zn | Fe |
| 酸洗 | 4.37 | 0.068 | 0.91 | 0.096 | 6.26 | 34.45 | 0.54 | 7.2 | 0.76 |
| 水洗 | 4.08 | 0.34 | 3.22 | 1.68 | 10.19 | 19.77 | 1.66 | 15.75 | 8.21 |
), ArticleFig(id=1176949855688733244, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1172617839237280544, language=CN, label=表3, caption=
不同洗涤方式对锗精矿品位的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
洗涤 方法 | 净化单宁锗渣中wB/% | 锗精矿 质量/g | 锗精矿中wB/% |
| Ge | As | Zn | Fe | Ge | As | Zn | Fe |
| 酸洗 | 4.37 | 0.068 | 0.91 | 0.096 | 6.26 | 34.45 | 0.54 | 7.2 | 0.76 |
| 水洗 | 4.08 | 0.34 | 3.22 | 1.68 | 10.19 | 19.77 | 1.66 | 15.75 | 8.21 |
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