Article(id=1317114935671370040, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1317114928411034576, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.05.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1779033600000, receivedDateStr=2026-05-18, revisedDate=1780329600000, revisedDateStr=2026-06-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1791954271476, onlineDateStr=2026-10-14, pubDate=1792425600000, pubDateStr=2026-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791954271476, onlineIssueDateStr=2026-10-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791954271476, creator=13701087609, updateTime=1791954271476, updator=13701087609, issue=Issue{id=1317114928411034576, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='5', pageStart='613', pageEnd='782', issueExtLink='null', onlineDate='null', pubDate='1792425600000', pubDateStr='2026-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791954269745, creator='13701087609', updateTime=1792120411533, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1317811777694450639, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1317114928411034576, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1317811777694450640, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1317114928411034576, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=700, endPage=711, ext={EN=ArticleExt(id=1317114937437172025, articleId=1317114935671370040, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Fluorite Concentrate Recovery via Co-processing of Waste Aluminum Electrolyte and Desulfurization Gypsum Residue, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

Waste aluminum electrolyte and desulfurization gypsum residue are typical hazardous solid wastes generated during the aluminum electrolysis process. To achieve the harmless disposal and resource recovery of these two hazardous solid wastes, a roasting-water leaching-flotation process was developed for the synergistic treatment of waste aluminum electrolyte and desulfurization gypsum residue to regenerate fluorite. The results demonstrate that under the optimal roasting conditions (roasting temperature of 800 ℃, mass ratio of waste aluminum electrolyte to desulfurization gypsum residue of 1∶2, and roasting duration of 120 min), calcium, lithium, and fluorine in the feedstocks are directionally converted into calcium fluoride and lithium fluoride, while sodium, aluminum, and sulfur are transformed into sodium sulfate and aluminum oxide. Subsequently, sodium sulfate and lithium salts are separated via water leaching. The water leaching residue is further subjected to a single-stage flotation to separate aluminum oxide from calcium fluoride. The conversion rate of fluorine reaches 99.17%, and the grade of regenerated calcium fluoride is 80.92%, which meets the requirements for "Lump Fluorite Ore, Third Grade (KK-3)" as specified in the national standard "Technical Specification for Fluorspar" (GB/T 44539—2024). The mass concentration of fluorine in the effluent is 5.37 mg/L (less than 10 mg/L), complying with the wastewater discharge standard. This process exhibits high fluorine fixation rate, a simple flow sheet, no secondary pollution, and high treatment efficiency, thereby demonstrating promising prospects for industrial application.

, authors=Yicheng GAO1, 2, Lutong MA1, 2, Yan CUI3, Yan LIN1, 2, authorsList=Yicheng GAO, Lutong MA, Yan CUI, Yan LIN, authorCompany=null, correspAuthors=Yan LIN, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1317114937772716346, articleId=1317114935671370040, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=废铝电解质与脱硫石膏渣协同处置再生萤石精矿研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

废铝电解质和脱硫石膏渣是铝电解过程的典型危险固废。为实现对这2种危险固废的无害化处置和资源化有效回收,研究了采用焙烧—水浸—浮选工艺协同处置废铝电解质和脱硫石膏渣再生萤石。结果表明:在焙烧温度800 ℃、废铝电解质与脱硫石膏渣质量比1∶2、焙烧时间120 min的最佳焙烧条件下,原料中的Ca、Li、F定向转化为CaF2和LiF,Na、Al、S则转化为Na2SO4和Al2O3;之后再通过水浸可分离硫酸钠和锂盐;水浸渣可通过一次浮选分离氧化铝和氟化钙;F转化率达99.17%,再生CaF2品位为80.92%,能满足国标《萤石技术规范》(GB/T 44539—2024)中“萤石块矿三级品(KK-3)”要求;废液中氟质量浓度为5.37 mg/L(<10 mg/L),满足污水排放标准。该工艺固氟率高、流程简单、无二次污染、处理效率高,具有良好的产业化应用前景。

, authors=高毅程1, 2, 马路通1, 2, 崔焱3, 林艳1, 2, authorsList=高毅程, 马路通, 崔焱, 林艳, authorCompany=null, correspAuthors=林艳, authorNote=

高毅程(2000—),男,硕士研究生,主要研究方向为固废资源化回收。

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林艳(1979—),女,博士,教授,博士生导师,主要研究方向为金属电沉积、大宗固废资源化回收。E-mail:。
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废铝电解质与脱硫石膏渣协同处置再生萤石精矿研究
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高毅程 1, 2 , 马路通 1, 2 , 崔焱 3 , 林艳 1, 2
湿法冶金 | 试验研究 2026,45(5): 700-711
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湿法冶金 |试验研究 2026 , 45 (5) : 700 -711
废铝电解质与脱硫石膏渣协同处置再生萤石精矿研究
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高毅程1, 2, 马路通1, 2, 崔焱3, 林艳1, 2
作者信息
  • 1.昆明理工大学 冶金与能源工程学院,云南 昆明 650093
  • 2.昆明理工大学 云南省中老能矿分析与技术创新国际联合研发中心,云南 昆明 650093
  • 3.昆明学院 化学化工学院,云南 昆明 650214
通讯作者:
林艳(1979—),女,博士,教授,博士生导师,主要研究方向为金属电沉积、大宗固废资源化回收。E-mail:。
作者简介:

高毅程(2000—),男,硕士研究生,主要研究方向为固废资源化回收。

Fluorite Concentrate Recovery via Co-processing of Waste Aluminum Electrolyte and Desulfurization Gypsum Residue
Yicheng GAO1, 2, Lutong MA1, 2, Yan CUI3, Yan LIN1, 2
Affiliations
  • 1.Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 2.Yunnan Sino-Laos International Joint R&D Center of Analysis and Technological Innovation for Energy, Mineral and Metallurgy, Kunming University of Science and Technology, Kunming 650093, China
  • 3.School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, China
出版时间: 2026-10-20 doi: 10.13355/j.cnki.sfyj.2026.05.010
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废铝电解质和脱硫石膏渣是铝电解过程的典型危险固废。为实现对这2种危险固废的无害化处置和资源化有效回收,研究了采用焙烧—水浸—浮选工艺协同处置废铝电解质和脱硫石膏渣再生萤石。结果表明:在焙烧温度800 ℃、废铝电解质与脱硫石膏渣质量比1∶2、焙烧时间120 min的最佳焙烧条件下,原料中的Ca、Li、F定向转化为CaF2和LiF,Na、Al、S则转化为Na2SO4和Al2O3;之后再通过水浸可分离硫酸钠和锂盐;水浸渣可通过一次浮选分离氧化铝和氟化钙;F转化率达99.17%,再生CaF2品位为80.92%,能满足国标《萤石技术规范》(GB/T 44539—2024)中“萤石块矿三级品(KK-3)”要求;废液中氟质量浓度为5.37 mg/L(<10 mg/L),满足污水排放标准。该工艺固氟率高、流程简单、无二次污染、处理效率高,具有良好的产业化应用前景。

废铝电解质  /  脱硫石膏渣  /  氟  /  氟化钙  /  钙化焙烧  /  资源回收

Waste aluminum electrolyte and desulfurization gypsum residue are typical hazardous solid wastes generated during the aluminum electrolysis process. To achieve the harmless disposal and resource recovery of these two hazardous solid wastes, a roasting-water leaching-flotation process was developed for the synergistic treatment of waste aluminum electrolyte and desulfurization gypsum residue to regenerate fluorite. The results demonstrate that under the optimal roasting conditions (roasting temperature of 800 ℃, mass ratio of waste aluminum electrolyte to desulfurization gypsum residue of 1∶2, and roasting duration of 120 min), calcium, lithium, and fluorine in the feedstocks are directionally converted into calcium fluoride and lithium fluoride, while sodium, aluminum, and sulfur are transformed into sodium sulfate and aluminum oxide. Subsequently, sodium sulfate and lithium salts are separated via water leaching. The water leaching residue is further subjected to a single-stage flotation to separate aluminum oxide from calcium fluoride. The conversion rate of fluorine reaches 99.17%, and the grade of regenerated calcium fluoride is 80.92%, which meets the requirements for "Lump Fluorite Ore, Third Grade (KK-3)" as specified in the national standard "Technical Specification for Fluorspar" (GB/T 44539—2024). The mass concentration of fluorine in the effluent is 5.37 mg/L (less than 10 mg/L), complying with the wastewater discharge standard. This process exhibits high fluorine fixation rate, a simple flow sheet, no secondary pollution, and high treatment efficiency, thereby demonstrating promising prospects for industrial application.

waste aluminum electrolyte  /  desulfurization gypsum residue  /  fluorine  /  calcium fluoride  /  calcification roasting  /  resource recovery
高毅程, 马路通, 崔焱, 林艳. 废铝电解质与脱硫石膏渣协同处置再生萤石精矿研究. 湿法冶金, 2026 , 45 (5) : 700 -711 . DOI: 10.13355/j.cnki.sfyj.2026.05.010
Yicheng GAO, Lutong MA, Yan CUI, Yan LIN. Fluorite Concentrate Recovery via Co-processing of Waste Aluminum Electrolyte and Desulfurization Gypsum Residue[J]. Hydrometallurgy of China, 2026 , 45 (5) : 700 -711 . DOI: 10.13355/j.cnki.sfyj.2026.05.010
  • 建设面向南亚东南亚科技创新中心专项(202303AP140019)
  • 云南省重点研发计划(202203AA08007)
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2026年第45卷第5期
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doi: 10.13355/j.cnki.sfyj.2026.05.010
  • 接收时间:2026-05-18
  • 首发时间:2026-10-14
  • 出版时间:2026-10-20
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  • 收稿日期:2026-05-18
  • 修回日期:2026-06-02
基金
建设面向南亚东南亚科技创新中心专项(202303AP140019)
云南省重点研发计划(202203AA08007)
作者信息
    1.昆明理工大学 冶金与能源工程学院,云南 昆明 650093
    2.昆明理工大学 云南省中老能矿分析与技术创新国际联合研发中心,云南 昆明 650093
    3.昆明学院 化学化工学院,云南 昆明 650214

通讯作者:

林艳(1979—),女,博士,教授,博士生导师,主要研究方向为金属电沉积、大宗固废资源化回收。E-mail:。
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https://castjournals.cast.org.cn/joweb/sfyj/CN/10.13355/j.cnki.sfyj.2026.05.010
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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