Article(id=1322636245818266577, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636234858550134, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200071, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1581609600000, receivedDateStr=2020-02-14, revisedDate=1585324800000, revisedDateStr=2020-03-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1793270654395, onlineDateStr=2026-10-29, pubDate=1603123200000, pubDateStr=2020-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793270654395, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793270654395, creator=13701087609, updateTime=1793270654395, updator=13701087609, issue=Issue{id=1322636234858550134, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='10', pageStart='1505', pageEnd='1688', issueExtLink='null', onlineDate='null', pubDate='1603123200000', pubDateStr='2020-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793270651783, creator='13701087609', updateTime=1793277146795, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663476976267430, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636234858550134, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663476976267431, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636234858550134, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1589, endPage=1596, ext={EN=ArticleExt(id=1322636247416296402, articleId=1322636245818266577, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Crystalline Silicon by Magnesiothermic Reduction Combined Acid Etching Routes from Silica Fume, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Silica fume (SF, containing SiO2>85%, in mass fraction) collected from emitting soot of silicon-metallurgical workshop was used as a raw material for preparation of pure crystalline silicon. Silicon was prepared via refining pretreatment of pristine SF and ball-milling mixing to make magnesium and SF powder reactant, subsequent magnesiothermic reduction reaction (MRR) process and final purification by two-step acid-etching treatment of HCl-HF acids. The experimental results show that a core-shell structure Mg@SiO2, i.e., Mg particles coated uniformly by a dense layer of submicron-sized primary particles of silica fume in a desired stoichiometric ratio of reactants Mg:SiO2 of 0.85∶1.00, is formed via micron-scale diffusion reaction after mixing for 12 h at a rotational speed of 150 r/min. A high-performance route of MRR was proposed based on the wrapping-micron-reactor model. The extent of MRR is as high as 96% and Si species of HCl-etched sample are more than 90% (in mass fraction), and the final prepared product of crystalline silicon achieves a purity of 99.88% (in mass fraction) after HF+CH3COOH acid-etching.

, authors=Yongcheng HUANG1, Zhining CHEN1, Lin ZHANG1, Xiao REN1, Yuzhong GUO1, Ruian HUANG2, Bin LI3, authorsList=Yongcheng HUANG, Zhining CHEN, Lin ZHANG, Xiao REN, Yuzhong GUO, Ruian HUANG, Bin LI, authorCompany=null, correspAuthors=Yuzhong GUO, Ruian HUANG, authorNote=

HUANG Yongcheng (1994-), male, Master candidate. E-mail:

, correspAuthorsNote=
GUO Yuzhong (1962-), male, Ph.D., Professor; E-mail:
HUANG Ruian (1973-), male, Ph.D., Associate Professor.
, 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=1322636247600845779, articleId=1322636245818266577, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=采用镁热还原-复合酸浸法从微硅粉制备晶体硅, columnId=null, journalTitle=硅酸盐学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用硅冶金工业烟尘副产物微硅粉[含SiO2>85%(质量分数)]为原料,经预处理提纯、镁粉-微硅粉球磨混料、镁热还原处理后,再以HCl-HF两步酸浸除杂工艺来制备晶体硅。结果表明:经150 r/min球磨混合12 h后,镁球表面均匀包覆了一层致密的SiO2初级粒子层,形成了氧化硅和镁反应物料的近乎理想配比(Mg/SiO2质量比为0.85∶1.00),和仅需微米尺度扩散的Mg@SiO2核壳结构;提出了基于包裹-微反应器模型的高效镁热还原路线。球磨包裹物料Mg@SiO2经镁热还原、HCl浸蚀后,产物还原程度高达96%,Si相组成大于90%(质量分数);再经HF+CH3COOH酸浸纯化,可制得纯度达99.88%(质量分数)的晶体硅。

, authors=黄永成1, 陈志柠1, 张林1, 任晓1, 郭玉忠1, 黄瑞安2, 李斌3, authorsList=黄永成, 陈志柠, 张林, 任晓, 郭玉忠, 黄瑞安, 李斌, authorCompany=null, correspAuthors=郭玉忠, 黄瑞安, authorNote=

黄永成(1994—),男,硕士研究生。

, correspAuthorsNote=
郭玉忠(1962—),男,博士,教授;
黄瑞安(1973—),男,博士,副教授。
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黄永成(1994—),男,硕士研究生。

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采用镁热还原-复合酸浸法从微硅粉制备晶体硅
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黄永成 1 , 陈志柠 1 , 张林 1 , 任晓 1 , 郭玉忠 1 , 黄瑞安 2 , 李斌 3
硅酸盐学报 | 2020,48(10): 1589-1596
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硅酸盐学报 | 2020 , 48 (10) : 1589 -1596
采用镁热还原-复合酸浸法从微硅粉制备晶体硅
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黄永成1 , 陈志柠1, 张林1, 任晓1, 郭玉忠1 , 黄瑞安2 , 李斌3
作者信息
  • 1.昆明理工大学材料科学与工程学院,昆明 650093
  • 2.昆明理工大学真空冶金国家工程实验室,昆明 650093
  • 3.赣州市芯隆新能源材料有限公司,江西 赣州 341000
通讯作者:
郭玉忠(1962—),男,博士,教授;
黄瑞安(1973—),男,博士,副教授。
作者简介:

黄永成(1994—),男,硕士研究生。

Preparation of Crystalline Silicon by Magnesiothermic Reduction Combined Acid Etching Routes from Silica Fume
Yongcheng HUANG1 , Zhining CHEN1, Lin ZHANG1, Xiao REN1, Yuzhong GUO1 , Ruian HUANG2 , Bin LI3
Affiliations
  • 1.Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 2.National Engineering Laboratory for Vacuum Metallurgy, Kunming University of Science and Technology, Kunming 650093, China
  • 3.Ganzhou Xinlong New Energy Material Co., Ltd. Ganzhou 341000, Jiangxi, China
  • Corresponding Author:
    GUO Yuzhong (1962-), male, Ph.D., Professor; E-mail:
    HUANG Ruian (1973-), male, Ph.D., Associate Professor.

    HUANG Yongcheng (1994-), male, Master candidate. E-mail:

出版时间: 2020-10-20 doi: 10.14062/j.issn.0454-5648.20200071
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采用硅冶金工业烟尘副产物微硅粉[含SiO2>85%(质量分数)]为原料,经预处理提纯、镁粉-微硅粉球磨混料、镁热还原处理后,再以HCl-HF两步酸浸除杂工艺来制备晶体硅。结果表明:经150 r/min球磨混合12 h后,镁球表面均匀包覆了一层致密的SiO2初级粒子层,形成了氧化硅和镁反应物料的近乎理想配比(Mg/SiO2质量比为0.85∶1.00),和仅需微米尺度扩散的Mg@SiO2核壳结构;提出了基于包裹-微反应器模型的高效镁热还原路线。球磨包裹物料Mg@SiO2经镁热还原、HCl浸蚀后,产物还原程度高达96%,Si相组成大于90%(质量分数);再经HF+CH3COOH酸浸纯化,可制得纯度达99.88%(质量分数)的晶体硅。

微硅粉  /  晶体硅  /  镁热还原反应  /  复合酸浸  /  包裹-微反应器

Silica fume (SF, containing SiO2>85%, in mass fraction) collected from emitting soot of silicon-metallurgical workshop was used as a raw material for preparation of pure crystalline silicon. Silicon was prepared via refining pretreatment of pristine SF and ball-milling mixing to make magnesium and SF powder reactant, subsequent magnesiothermic reduction reaction (MRR) process and final purification by two-step acid-etching treatment of HCl-HF acids. The experimental results show that a core-shell structure Mg@SiO2, i.e., Mg particles coated uniformly by a dense layer of submicron-sized primary particles of silica fume in a desired stoichiometric ratio of reactants Mg:SiO2 of 0.85∶1.00, is formed via micron-scale diffusion reaction after mixing for 12 h at a rotational speed of 150 r/min. A high-performance route of MRR was proposed based on the wrapping-micron-reactor model. The extent of MRR is as high as 96% and Si species of HCl-etched sample are more than 90% (in mass fraction), and the final prepared product of crystalline silicon achieves a purity of 99.88% (in mass fraction) after HF+CH3COOH acid-etching.

silica fume  /  crystalline silicon  /  magnesiothermic reduction reaction  /  combined acid etching  /  wrapping-microreactor
黄永成, 陈志柠, 张林, 任晓, 郭玉忠, 黄瑞安, 李斌. 采用镁热还原-复合酸浸法从微硅粉制备晶体硅. 硅酸盐学报, 2020 , 48 (10) : 1589 -1596 . DOI: 10.14062/j.issn.0454-5648.20200071
Yongcheng HUANG, Zhining CHEN, Lin ZHANG, Xiao REN, Yuzhong GUO, Ruian HUANG, Bin LI. Preparation of Crystalline Silicon by Magnesiothermic Reduction Combined Acid Etching Routes from Silica Fume[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (10) : 1589 -1596 . DOI: 10.14062/j.issn.0454-5648.20200071
  • 国家自然科学基金(51464025)
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2020年第48卷第10期
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doi: 10.14062/j.issn.0454-5648.20200071
  • 接收时间:2020-02-14
  • 首发时间:2026-10-29
  • 出版时间:2020-10-20
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  • 收稿日期:2020-02-14
  • 修回日期:2020-03-28
基金
国家自然科学基金(51464025)
作者信息
    1.昆明理工大学材料科学与工程学院,昆明 650093
    2.昆明理工大学真空冶金国家工程实验室,昆明 650093
    3.赣州市芯隆新能源材料有限公司,江西 赣州 341000

通讯作者:

郭玉忠(1962—),男,博士,教授;
黄瑞安(1973—),男,博士,副教授。
参考文献
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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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