Article(id=1319222305381789991, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220375, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1652112000000, receivedDateStr=2022-05-10, revisedDate=1655049600000, revisedDateStr=2022-06-13, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456707568, onlineDateStr=2026-10-20, pubDate=1674144000000, pubDateStr=2023-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456707568, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456707568, creator=13701087609, updateTime=1792456707568, updator=13701087609, issue=Issue{id=1319222240177144549, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='1', pageStart='1', pageEnd='282', issueExtLink='null', onlineDate='null', pubDate='1674144000000', pubDateStr='2023-01-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456692021, creator='13701087609', updateTime=1792456863865, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319222960989262349, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319222960989262350, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=204, endPage=214, ext={EN=ArticleExt(id=1319222307135009064, articleId=1319222305381789991, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Polysilicate Aluminum Chloride from Coal Gangue and Its Flocculating Performance Assessment, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Polysilicate aluminum chloride (PASC) flocculant was prepared with a coal gangue for the resource utilization of coal gangue. The effects of alkali cement ratio, roasting temperature, acid dosage, acid leaching temperature, liquid to solid ratio and acid leaching time on the performance of PASC were investigated. The physicochemical properties and microstructure of PASC were analyzed and the flocculation mechanism of PASC was discussed. The results show that the turbidity removal rate of PASC to coal slime water can reach 99.08% under the optimum conditions (i.e., alkali cement ratio of 0.9, roasting temperature of 900 ℃, acid dosage of 1.75 g/g, acid leaching temperature of 49 ℃, liquid to solid ratio of 8.9, and acid leaching time of 2.8 h). Since PASC is an amorphous polymer formed by the complexation of polysilicic acid, aluminum ions and hydroxyl groups, it has a rich spatial network structure and its flocculation mechanism includes adsorption bridging, trapping and sweeping, and charge neutralization.

, authors=Qin NING1, Caixia LI1, Xin LIU2, Bangguo WANG3, Yan HONG1, Xingfeng WANG1, authorsList=Qin NING, Caixia LI, Xin LIU, Bangguo WANG, Yan HONG, Xingfeng WANG, authorCompany=null, correspAuthors=Caixia LI, authorNote=

NING Qin (1997-), female, Master candidate. E-mail:

, correspAuthorsNote=
LI Caixia (1974-), female, Ph.D., Professor. E-mail:
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以煤矸石为原料制备聚硅酸氯化铝(PASC)絮凝剂,实现煤矸石的资源化利用;以PASC对煤泥水的去浊率为指标,通过单因素试验探究了碱灰比、焙烧温度、酸用量、酸浸温度、液固比、酸浸时间对PASC性能的影响,并在此基础上进行响应面实验,进一步优化试验制备参数;分析了PASC理化性质及微观结构,从而探究其絮凝机理。结果表明:在碱灰比0.9、焙烧温度900 ℃、酸用量1.75 g/g、酸浸温度49 ℃、液固比8.9、酸浸时间2.8 h制备条件下,PASC对煤泥水的去浊率可达99.08%;PASC是由聚硅酸、铝离子及羟基络合形成的无定型聚合物,有丰富的空间网状结构,其絮凝机理包含吸附架桥、网捕卷扫及吸附电中和作用。

, authors=宁琴1, 李彩霞1, 刘鑫2, 王帮国3, 洪琰1, 王兴峰1, authorsList=宁琴, 李彩霞, 刘鑫, 王帮国, 洪琰, 王兴峰, authorCompany=null, correspAuthors=李彩霞, authorNote=

宁琴(1997—),女,硕士研究生。

, correspAuthorsNote=
李彩霞(1974—),女,博士,教授。
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煤矸石制备聚硅酸氯化铝及其絮凝性能
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宁琴 1 , 李彩霞 1 , 刘鑫 2 , 王帮国 3 , 洪琰 1 , 王兴峰 1
硅酸盐学报 | 研究论文 2023,51(1): 204-214
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硅酸盐学报 |研究论文 2023 , 51 (1) : 204 -214
煤矸石制备聚硅酸氯化铝及其絮凝性能
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宁琴(1997—),女,硕士研究生。

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宁琴1 , 李彩霞1 , 刘鑫2, 王帮国3, 洪琰1, 王兴峰1
作者信息
  • 1.辽宁工程技术大学矿业学院,辽宁 阜新 123000
  • 2.中煤天津设计工程有限责任公司,天津 300120
  • 3.中国科学院大学资源与环境学院,北京 100049
通讯作者:
李彩霞(1974—),女,博士,教授。
作者简介:

宁琴(1997—),女,硕士研究生。

Preparation of Polysilicate Aluminum Chloride from Coal Gangue and Its Flocculating Performance Assessment
Qin NING1 , Caixia LI1 , Xin LIU2, Bangguo WANG3, Yan HONG1, Xingfeng WANG1
Affiliations
  • 1.Institute of mining technology, Liaoning Technical University, Fuxin 123000, Liaoning, China
  • 2.China Coal Tianjin Design & Engineering Co. LTD, Tianjing 300120, China
  • 3.College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
  • Corresponding Author:
    LI Caixia (1974-), female, Ph.D., Professor. E-mail:

    NING Qin (1997-), female, Master candidate. E-mail:

出版时间: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220375
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以煤矸石为原料制备聚硅酸氯化铝(PASC)絮凝剂,实现煤矸石的资源化利用;以PASC对煤泥水的去浊率为指标,通过单因素试验探究了碱灰比、焙烧温度、酸用量、酸浸温度、液固比、酸浸时间对PASC性能的影响,并在此基础上进行响应面实验,进一步优化试验制备参数;分析了PASC理化性质及微观结构,从而探究其絮凝机理。结果表明:在碱灰比0.9、焙烧温度900 ℃、酸用量1.75 g/g、酸浸温度49 ℃、液固比8.9、酸浸时间2.8 h制备条件下,PASC对煤泥水的去浊率可达99.08%;PASC是由聚硅酸、铝离子及羟基络合形成的无定型聚合物,有丰富的空间网状结构,其絮凝机理包含吸附架桥、网捕卷扫及吸附电中和作用。

聚硅酸氯化铝  /  煤矸石  /  煤泥水  /  去浊率  /  响应面

Polysilicate aluminum chloride (PASC) flocculant was prepared with a coal gangue for the resource utilization of coal gangue. The effects of alkali cement ratio, roasting temperature, acid dosage, acid leaching temperature, liquid to solid ratio and acid leaching time on the performance of PASC were investigated. The physicochemical properties and microstructure of PASC were analyzed and the flocculation mechanism of PASC was discussed. The results show that the turbidity removal rate of PASC to coal slime water can reach 99.08% under the optimum conditions (i.e., alkali cement ratio of 0.9, roasting temperature of 900 ℃, acid dosage of 1.75 g/g, acid leaching temperature of 49 ℃, liquid to solid ratio of 8.9, and acid leaching time of 2.8 h). Since PASC is an amorphous polymer formed by the complexation of polysilicic acid, aluminum ions and hydroxyl groups, it has a rich spatial network structure and its flocculation mechanism includes adsorption bridging, trapping and sweeping, and charge neutralization.

polysilicate aluminum chloride  /  coal gangue  /  slime water  /  turbidity removal rate  /  response surface
宁琴, 李彩霞, 刘鑫, 王帮国, 洪琰, 王兴峰. 煤矸石制备聚硅酸氯化铝及其絮凝性能. 硅酸盐学报, 2023 , 51 (1) : 204 -214 . DOI: 10.14062/j.issn.0454-5648.20220375
Qin NING, Caixia LI, Xin LIU, Bangguo WANG, Yan HONG, Xingfeng WANG. Preparation of Polysilicate Aluminum Chloride from Coal Gangue and Its Flocculating Performance Assessment[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 204 -214 . DOI: 10.14062/j.issn.0454-5648.20220375
  • 辽宁省教育厅重点攻关项目(LJ2019ZL004)
  • 辽宁省教育厅项目(LJKZ0328)
  • 辽宁省自然资源厅项目(202420125)
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2023年第51卷第1期
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doi: 10.14062/j.issn.0454-5648.20220375
  • 接收时间:2022-05-10
  • 首发时间:2026-10-20
  • 出版时间:2023-01-20
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  • 收稿日期:2022-05-10
  • 修回日期:2022-06-13
基金
辽宁省教育厅重点攻关项目(LJ2019ZL004)
辽宁省教育厅项目(LJKZ0328)
辽宁省自然资源厅项目(202420125)
作者信息
    1.辽宁工程技术大学矿业学院,辽宁 阜新 123000
    2.中煤天津设计工程有限责任公司,天津 300120
    3.中国科学院大学资源与环境学院,北京 100049

通讯作者:

李彩霞(1974—),女,博士,教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220375
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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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