Article(id=1188049576343782223, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, articleNumber=1009-5438(2024)01-0095-04, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1700668800000, receivedDateStr=2023-11-23, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1761182691894, onlineDateStr=2025-10-23, pubDate=1708790400000, pubDateStr=2024-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761182691894, onlineIssueDateStr=2025-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1761182691894, creator=13701087609, updateTime=1761182691894, updator=13701087609, issue=Issue{id=1188049574255018819, tenantId=1146029695717560320, journalId=1185652524569653253, year='2024', volume='50', issue='1', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1761182691396, creator=13701087609, updateTime=1761290996781, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1188503840023265810, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1188503840023265811, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049574255018819, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=95, endPage=98, ext={EN=ArticleExt(id=1188049576561886032, articleId=1188049576343782223, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Experimental Study on Removing Calcium and Magnesium Ions in Ammonium Sulfate Wastewater with Solvent Extraction Method, columnId=1187102804364640261, journalTitle=Science & Technology of Baotou Steel, columnName=Others, runingTitle=null, highlight=null, articleAbstract=
In order to remove the calcium and magnesium ions in ammonium sulfate wastewater, ensure subsequent trouble-free operations of water treatment process, improve quality of ammonium sulfate solid and recover magnesium resource, the calcium and magnesium ions in ammonium sulfate wastewater are removed with solvent extraction method in experiment. The P204 and kerosene are used as extractant as well as pH value of ammonium sulfate wastewater and saponification degree of P204 are adjusted so that the step-by-step removal of calcium and magnesium ions in ammonium sulfate wastewater is realized. The data support for industrial applications of this method is provided by such experimental conditions as determining pH values of the solution and comparing.
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为了去除硫酸铵废水中的钙、镁离子,保证后续水处理工艺的顺行,提高硫酸铵固体的质量,回收镁资源,实验用溶剂萃取法去除硫酸铵废水中的钙、镁离子。使用P204和煤油作为萃取剂,调节硫酸铵废水pH值及P204的皂化度,实现硫酸铵废水中钙、镁的分步去除。通过确定溶液pH值、相比等实验条件,为此方法的产业化应用提供数据支撑。
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郑超(1987-),女,内蒙古包头市人,高级工程师,现从事化学分析、检验工作。
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郑超(1987-),女,内蒙古包头市人,高级工程师,现从事化学分析、检验工作。
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郑超(1987-),女,内蒙古包头市人,高级工程师,现从事化学分析、检验工作。
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pmcid=null, year=2016, volume=42, issue=7, pageStart=88, pageEnd=92, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=黎新, 孙长顺, 赵建军, journalName=水处理技术, refType=null, unstructuredReference=黎新, 孙长顺, 赵建军, 等. 分步沉淀法去除稀土废水中钙镁的研究[J].
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| pH值 | CaO浓度 /(g·L-1) | CaO去除率 /% | MgO浓度 /(g·L-1) | MgO去除率 /% |
| 1 | 0.40 | 48.10 | 7.24 | 0.30 |
| 2 | 0.25 | 67.50 | 7.11 | 2.10 |
| 3 | 0.08 | 89.60 | 7.05 | 2.90 |
| 4 | 0.06 | 92.20 | 6.86 | 5.50 |
| 5 | 0.05 | 93.50 | 6.73 | 7.30 |
| 6 | 0.05 | 93.50 | 6.47 | 10.90 |
| 7 | 0.03 | 96.10 | 6.25 | 13.90 |
), ArticleFig(id=1188503351827251204, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049576343782223, language=CN, label=表1, caption=
硫铵废水pH值对萃余液中钙、镁浓度的影响
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| pH值 | CaO浓度 /(g·L-1) | CaO去除率 /% | MgO浓度 /(g·L-1) | MgO去除率 /% |
| 1 | 0.40 | 48.10 | 7.24 | 0.30 |
| 2 | 0.25 | 67.50 | 7.11 | 2.10 |
| 3 | 0.08 | 89.60 | 7.05 | 2.90 |
| 4 | 0.06 | 92.20 | 6.86 | 5.50 |
| 5 | 0.05 | 93.50 | 6.73 | 7.30 |
| 6 | 0.05 | 93.50 | 6.47 | 10.90 |
| 7 | 0.03 | 96.10 | 6.25 | 13.90 |
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相比 (O∶A) | CaO浓度 /(g·L-1) | CaO去除率 /% | MgO浓度 /(g·L-1) | MgO去除率 /% |
| 1∶1 | 0.08 | 89.60 | 7.05 | 2.90 |
| 1∶2 | 0.08 | 89.60 | 7.09 | 2.30 |
| 1∶4 | 0.09 | 88.30 | 7.13 | 1.80 |
| 1∶6 | 0.10 | 87.00 | 7.14 | 1.70 |
| 1∶8 | 0.12 | 84.40 | 7.19 | 1.00 |
| 1∶10 | 0.15 | 80.50 | 7.25 | 0.10 |
), ArticleFig(id=1188503352057937926, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049576343782223, language=CN, label=表2, caption=
相比对萃余液中钙、镁浓度的影响
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相比 (O∶A) | CaO浓度 /(g·L-1) | CaO去除率 /% | MgO浓度 /(g·L-1) | MgO去除率 /% |
| 1∶1 | 0.08 | 89.60 | 7.05 | 2.90 |
| 1∶2 | 0.08 | 89.60 | 7.09 | 2.30 |
| 1∶4 | 0.09 | 88.30 | 7.13 | 1.80 |
| 1∶6 | 0.10 | 87.00 | 7.14 | 1.70 |
| 1∶8 | 0.12 | 84.40 | 7.19 | 1.00 |
| 1∶10 | 0.15 | 80.50 | 7.25 | 0.10 |
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| 皂化度 | MgO浓度/(g·L-1) | MgO去除率/% |
| 0 | 6.20 | 12.10 |
| 0.1 | 5.29 | 25.00 |
| 0.2 | 3.83 | 45.70 |
| 0.3 | 2.65 | 62.40 |
| 0.4 | 1.54 | 78.20 |
| 0.5 | 0.87 | 87.70 |
| 0.6 | 0.31 | 95.60 |
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P204皂化度对萃余液中镁浓度的影响
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| 皂化度 | MgO浓度/(g·L-1) | MgO去除率/% |
| 0 | 6.20 | 12.10 |
| 0.1 | 5.29 | 25.00 |
| 0.2 | 3.83 | 45.70 |
| 0.3 | 2.65 | 62.40 |
| 0.4 | 1.54 | 78.20 |
| 0.5 | 0.87 | 87.70 |
| 0.6 | 0.31 | 95.60 |
), ArticleFig(id=1188503352313790473, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049576343782223, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 相比 | MgO浓度/(g·L-1) | MgO去除率/% |
| 2∶1 | 0.34 | 95.20 |
| 1∶1 | 0.87 | 87.70 |
| 1∶1.5 | 2.53 | 64.10 |
| 1∶2 | 3.79 | 46.20 |
), ArticleFig(id=1188503352414453770, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049576343782223, language=CN, label=表4, caption=
相比对萃余液中镁浓度的影响
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| 相比 | MgO浓度/(g·L-1) | MgO去除率/% |
| 2∶1 | 0.34 | 95.20 |
| 1∶1 | 0.87 | 87.70 |
| 1∶1.5 | 2.53 | 64.10 |
| 1∶2 | 3.79 | 46.20 |
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