Article(id=1314908278153376225, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.04.028, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1769529600000, receivedDateStr=2026-01-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428163325, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428163325, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428163325, creator=13701087609, updateTime=1791428163325, updator=13701087609, issue=Issue{id=1314908074188562588, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='4', pageStart='1', pageEnd='266', issueExtLink='null', onlineDate='null', pubDate='1785513600000', pubDateStr='2026-08-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791428114697, creator='13701087609', updateTime=1791430419337, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917740654191268, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917740654191269, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=183, endPage=189, ext={EN=ArticleExt(id=1314908278421811682, articleId=1314908278153376225, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Experimental Study on Synergistic Leaching of Lithium and Aluminum from Coal Ash by Ammonium Sulfate Roasting - Water Leaching, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

Ammonium sulfate roasting - water leaching process was adopted to synergistically leach lithium and aluminum from coal ash, and the effects of mass ratio of ammonium sulfate to fly ash, roasting temperature, roasting time, liquid-to-solid ratio, leaching temperature and leaching time on leaching rates of lithium and aluminum were also investigated. The results show that under the optimized conditions:ammonium sulfate and fly ash in a mass ratio of 4∶1, roasting temperature of 400 ℃, roasting time of 2 h, liquid-to-solid ratio of 4∶1, leaching temperature of 80 ℃ and leaching time of 30 min, the leaching rates of lithium and aluminum reach 86.77% and 78.04%, respectively. Mechanism analysis indicates that mullite, the host phase of lithium, reacts with ammonium bisulfate (the thermal decomposition product of ammonium sulfate) at 400 ℃ to generate soluble ammonium aluminum sulfate and aluminum sulfate, resulting in destruction of mullite crystal structure. After being released, lithium reacts with ammonium bisulfate to form lithium sulfate, which enters the aqueous phase during water leaching, thus realizing efficient synergistic leaching of lithium and aluminum.

, authors=Shixiong XU1, 2, Lin WU1, 3, Fangjun ZHONG1, 3, Xi LI1, 3, Ping REN1, 3, Xingfa LUO1, 3, Jiangguo CHENG2, Lei DONG1, Jing WU1, authorsList=Shixiong XU, Lin WU, Fangjun ZHONG, Xi LI, Ping REN, Xingfa LUO, Jiangguo CHENG, Lei DONG, Jing WU, authorCompany=null, correspAuthors=Lin WU, 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=1314908278807687651, articleId=1314908278153376225, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=硫酸铵焙烧-水浸法从煤灰中协同浸出锂、铝试验研究, columnId=1236276107322913000, journalTitle=矿冶工程杂志, columnName=冶金, runingTitle=null, highlight=null, articleAbstract=

采用硫酸铵焙烧-水浸法从煤灰中协同浸出锂、铝,考察了硫酸铵与煤灰质量比、焙烧温度、焙烧时间、液固比、浸出温度、浸出时间对锂、铝浸出率的影响。结果表明,在硫酸铵与煤灰质量比4∶1、焙烧温度400 ℃、焙烧时间2 h、液固比4∶1、浸出温度80 ℃、浸出时间30 min的优化条件下,锂浸出率达86.77%,铝浸出率达78.04%。机理分析结果表明,锂的载体相莫来石在400 ℃下与硫酸铵热分解产物硫酸氢铵发生反应,生成可溶性硫酸铝铵和硫酸铝,莫来石晶体结构被破坏;锂释放后与硫酸氢铵反应生成硫酸锂,经水浸进入液相,从而实现了锂、铝的高效协同浸出。

, authors=徐世雄1, 2, 吴林1, 3, 钟方军1, 3, 李熹1, 3, 任平1, 3, 罗兴发1, 3, 成奖国2, 董蕾1, 武静1, authorsList=徐世雄, 吴林, 钟方军, 李熹, 任平, 罗兴发, 成奖国, 董蕾, 武静, authorCompany=null, correspAuthors=吴林, authorNote=

徐世雄(1999—),男,贵州毕节人,硕士研究生,主要研究方向为矿产资源综合利用。E-mail:

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吴林(1990—),女,四川沐川人,博士,高级工程师,从事矿产资源综合利用研究工作。E-mail:
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徐世雄(1999—),男,贵州毕节人,硕士研究生,主要研究方向为矿产资源综合利用。E-mail:

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硫酸铵焙烧-水浸法从煤灰中协同浸出锂、铝试验研究
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徐世雄 1, 2 , 吴林 1, 3 , 钟方军 1, 3 , 李熹 1, 3 , 任平 1, 3 , 罗兴发 1, 3 , 成奖国 2 , 董蕾 1 , 武静 1
矿冶工程杂志 | 冶金 2026,46(4): 183-189
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矿冶工程杂志 |冶金 2026 , 46 (4) : 183 -189
硫酸铵焙烧-水浸法从煤灰中协同浸出锂、铝试验研究
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徐世雄1, 2 , 吴林1, 3 , 钟方军1, 3, 李熹1, 3, 任平1, 3, 罗兴发1, 3, 成奖国2, 董蕾1, 武静1
作者信息
  • 1.贵州省煤田地质局实验室,贵州 贵阳 550016
  • 2.贵州大学 矿业学院,贵州 贵阳 550025
  • 3.富矿精开与环境保护贵州省院士工作站,贵州 贵阳 550016
通讯作者:
吴林(1990—),女,四川沐川人,博士,高级工程师,从事矿产资源综合利用研究工作。E-mail:
作者简介:

徐世雄(1999—),男,贵州毕节人,硕士研究生,主要研究方向为矿产资源综合利用。E-mail:

Experimental Study on Synergistic Leaching of Lithium and Aluminum from Coal Ash by Ammonium Sulfate Roasting - Water Leaching
Shixiong XU1, 2 , Lin WU1, 3 , Fangjun ZHONG1, 3, Xi LI1, 3, Ping REN1, 3, Xingfa LUO1, 3, Jiangguo CHENG2, Lei DONG1, Jing WU1
Affiliations
  • 1.Laboratory of Guizhou Provincial Coalfield Geology Bureau, Guiyang 550016, Guizhou, China
  • 2.College of Mining, Guizhou University, Guiyang 550025, Guizhou, China
  • 3.Guizhou Academician Workstation for Precise Exploitation of Valuable Mineral Resources and Environmental Protection, Guiyang 550016, Guizhou, China
doi: 10.3969/j.issn.0253-6099.2026.04.028
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采用硫酸铵焙烧-水浸法从煤灰中协同浸出锂、铝,考察了硫酸铵与煤灰质量比、焙烧温度、焙烧时间、液固比、浸出温度、浸出时间对锂、铝浸出率的影响。结果表明,在硫酸铵与煤灰质量比4∶1、焙烧温度400 ℃、焙烧时间2 h、液固比4∶1、浸出温度80 ℃、浸出时间30 min的优化条件下,锂浸出率达86.77%,铝浸出率达78.04%。机理分析结果表明,锂的载体相莫来石在400 ℃下与硫酸铵热分解产物硫酸氢铵发生反应,生成可溶性硫酸铝铵和硫酸铝,莫来石晶体结构被破坏;锂释放后与硫酸氢铵反应生成硫酸锂,经水浸进入液相,从而实现了锂、铝的高效协同浸出。

煤灰  /  硫酸铵焙烧  /  水浸法  /  锂  /  铝  /  协同浸出  /  粉煤灰

Ammonium sulfate roasting - water leaching process was adopted to synergistically leach lithium and aluminum from coal ash, and the effects of mass ratio of ammonium sulfate to fly ash, roasting temperature, roasting time, liquid-to-solid ratio, leaching temperature and leaching time on leaching rates of lithium and aluminum were also investigated. The results show that under the optimized conditions:ammonium sulfate and fly ash in a mass ratio of 4∶1, roasting temperature of 400 ℃, roasting time of 2 h, liquid-to-solid ratio of 4∶1, leaching temperature of 80 ℃ and leaching time of 30 min, the leaching rates of lithium and aluminum reach 86.77% and 78.04%, respectively. Mechanism analysis indicates that mullite, the host phase of lithium, reacts with ammonium bisulfate (the thermal decomposition product of ammonium sulfate) at 400 ℃ to generate soluble ammonium aluminum sulfate and aluminum sulfate, resulting in destruction of mullite crystal structure. After being released, lithium reacts with ammonium bisulfate to form lithium sulfate, which enters the aqueous phase during water leaching, thus realizing efficient synergistic leaching of lithium and aluminum.

coal ash  /  ammonium sulfate roasting  /  water leaching  /  lithium  /  aluminum  /  synergistic leaching  /  fly ash
徐世雄, 吴林, 钟方军, 李熹, 任平, 罗兴发, 成奖国, 董蕾, 武静. 硫酸铵焙烧-水浸法从煤灰中协同浸出锂、铝试验研究. 矿冶工程杂志, 2026 , 46 (4) : 183 -189 . DOI: 10.3969/j.issn.0253-6099.2026.04.028
Shixiong XU, Lin WU, Fangjun ZHONG, Xi LI, Ping REN, Xingfa LUO, Jiangguo CHENG, Lei DONG, Jing WU. Experimental Study on Synergistic Leaching of Lithium and Aluminum from Coal Ash by Ammonium Sulfate Roasting - Water Leaching[J]. Mining and Metallurgical Engineering, 2026 , 46 (4) : 183 -189 . DOI: 10.3969/j.issn.0253-6099.2026.04.028
  • 贵州省自然资源厅2022年度新一轮找矿突破战略行动项目(黔自然资函〔2022〕 632号)
  • 贵州省科技计划项目(黔科合平台KXJZ〔2024〕003)
  • 贵州省煤田地质局三级科研项目(贵煤科研〔2024〕2-03)
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doi: 10.3969/j.issn.0253-6099.2026.04.028
  • 接收时间:2026-01-28
  • 首发时间:2026-10-08
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  • 收稿日期:2026-01-28
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贵州省自然资源厅2022年度新一轮找矿突破战略行动项目(黔自然资函〔2022〕 632号)
贵州省科技计划项目(黔科合平台KXJZ〔2024〕003)
贵州省煤田地质局三级科研项目(贵煤科研〔2024〕2-03)
作者信息
    1.贵州省煤田地质局实验室,贵州 贵阳 550016
    2.贵州大学 矿业学院,贵州 贵阳 550025
    3.富矿精开与环境保护贵州省院士工作站,贵州 贵阳 550016

通讯作者:

吴林(1990—),女,四川沐川人,博士,高级工程师,从事矿产资源综合利用研究工作。E-mail:
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https://castjournals.cast.org.cn/joweb/kygczz/CN/10.3969/j.issn.0253-6099.2026.04.028
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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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