Article(id=1322636186213003323, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636152813768892, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190736, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1573142400000, receivedDateStr=2019-11-08, revisedDate=1578931200000, revisedDateStr=2020-01-14, acceptedDate=null, acceptedDateStr=null, onlineDate=1793270640184, onlineDateStr=2026-10-29, pubDate=1597852800000, pubDateStr=2020-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793270640184, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793270640184, creator=13701087609, updateTime=1793270640184, updator=13701087609, issue=Issue{id=1322636152813768892, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='8', pageStart='1145', pageEnd='1352', issueExtLink='null', onlineDate='null', pubDate='1597852800000', pubDateStr='2020-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793270632222, creator='13701087609', updateTime=1793277122165, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322663373687337109, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636152813768892, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322663373687337110, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322636152813768892, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1341, endPage=1347, ext={EN=ArticleExt(id=1322636186464661564, articleId=1322636186213003323, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Preparation of Magnesium-Aluminum Hydrotalcite from Fly Ash, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

An acid leaching solution containing aluminum ions was obtained by a sulfuric acid leaching process after calcining clinkers using coal fly ash as a raw material. Aluminum hydroxide was precipitated through adjusting the pH value of solution and used as an aluminum source. Magnesium aluminum hydrotalcite was synthesized via hydrothermal reaction with magnesium oxide and sodium carbonate. Based on the results by Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy, magnesium-aluminum hydrotalcite with a good crystallinity, a pure phase and a complete lamellar structure can be synthesized under the hydrothermal conditions (i.e., mole ratio n(MgO)∶n(Al(OH)3)∶n(Na2CO3) of 2∶1∶1, at 160 ℃ for 14 h). In addition, the feasibility of adsorbing phosphorus by Mg-Al hydrotalcite was also investigated. The removal rate can reach 97.4% when the concentration of phosphorus solution is 20 mg/L, the dosage of Mg-Al hydrotalcite is 0.7 g and pH value is 4-10.

, authors=Dingpeng LIU1, Jun QIN1, Qing LV1, Min HE2, 3, Jie YU3, Xing LI1, authorsList=Dingpeng LIU, Jun QIN, Qing LV, Min HE, Jie YU, Xing LI, authorCompany=null, correspAuthors=Jun QIN, authorNote=

LIU Dingpeng (1994-), male, Master candidate. E-mail:

, correspAuthorsNote=
QIN Jun (1970-), male, Professor. E-mail:
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以粉煤灰为原料,将其焙烧后得到的熟料经过硫酸酸浸工艺处理得到含有铝离子的酸浸液,通过调节pH值将氢氧化铝析出,以其作为铝源,与氧化镁、碳酸钠在密闭条件下进行水热反应合成镁铝水滑石。Fourier变换红外光谱仪,X射线衍射和扫描电子显微镜对产物进行分析,结果表明:摩尔比n(MgO)∶n(Al(OH)3)∶n(Na2CO3)=2∶1∶1,160 ℃反应14 h,可以合成结晶度较好,物相纯净且片层结构较完整的镁铝水滑石。此外,初步考察了镁铝水滑石对磷吸附的可行性,当磷溶液浓度为20 mg/L,镁铝水滑石投加量为0.7 g时,去除率可达97.4%,pH值适用范围为4~10。

, authors=刘定鹏1, 秦军1, 吕晴1, 何敏2, 3, 于杰3, 李杏1, authorsList=刘定鹏, 秦军, 吕晴, 何敏, 于杰, 李杏, authorCompany=null, correspAuthors=秦军, authorNote=

刘定鹏(1994—),男,硕士研究生。

, correspAuthorsNote=
秦军(1970—),男,教授。
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刘定鹏(1994—),男,硕士研究生。

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刘定鹏(1994—),男,硕士研究生。

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以粉煤灰为原料制备镁铝水滑石
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刘定鹏 1 , 秦军 1 , 吕晴 1 , 何敏 2, 3 , 于杰 3 , 李杏 1
硅酸盐学报 | 研究论文 2020,48(8): 1341-1347
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硅酸盐学报 |研究论文 2020 , 48 (8) : 1341 -1347
以粉煤灰为原料制备镁铝水滑石
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刘定鹏1 , 秦军1 , 吕晴1, 何敏2, 3, 于杰3, 李杏1
作者信息
  • 1.贵州大学,喀斯特环境与地质灾害防治重点实验室,贵阳 550025
  • 2.贵州大学材料与冶金学院,贵阳 550025
  • 3.国家复合改性聚合物材料工程技术研究中心,贵阳 550014
通讯作者:
秦军(1970—),男,教授。
作者简介:

刘定鹏(1994—),男,硕士研究生。

Preparation of Magnesium-Aluminum Hydrotalcite from Fly Ash
Dingpeng LIU1 , Jun QIN1 , Qing LV1, Min HE2, 3, Jie YU3, Xing LI1
Affiliations
  • 1.Key Laboratory of the Ministry of Land and Resources of Karst Environment and Geology Disasters, Guizhou University, Guiyang 550025, China
  • 2.College of Materials Science and Metallugry Engineering, Guizhou University, Guiyang 550025, China
  • 3.National Engineering Research Center for Compounding and Modification of Polymeric Materials, Guiyang 550014, China
  • Corresponding Author:
    QIN Jun (1970-), male, Professor. E-mail:

    LIU Dingpeng (1994-), male, Master candidate. E-mail:

出版时间: 2020-08-20 doi: 10.14062/j.issn.0454-5648.20190736
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以粉煤灰为原料,将其焙烧后得到的熟料经过硫酸酸浸工艺处理得到含有铝离子的酸浸液,通过调节pH值将氢氧化铝析出,以其作为铝源,与氧化镁、碳酸钠在密闭条件下进行水热反应合成镁铝水滑石。Fourier变换红外光谱仪,X射线衍射和扫描电子显微镜对产物进行分析,结果表明:摩尔比n(MgO)∶n(Al(OH)3)∶n(Na2CO3)=2∶1∶1,160 ℃反应14 h,可以合成结晶度较好,物相纯净且片层结构较完整的镁铝水滑石。此外,初步考察了镁铝水滑石对磷吸附的可行性,当磷溶液浓度为20 mg/L,镁铝水滑石投加量为0.7 g时,去除率可达97.4%,pH值适用范围为4~10。

粉煤灰  /  酸浸提铝  /  水热反应  /  镁铝水滑石  /  磷吸附

An acid leaching solution containing aluminum ions was obtained by a sulfuric acid leaching process after calcining clinkers using coal fly ash as a raw material. Aluminum hydroxide was precipitated through adjusting the pH value of solution and used as an aluminum source. Magnesium aluminum hydrotalcite was synthesized via hydrothermal reaction with magnesium oxide and sodium carbonate. Based on the results by Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy, magnesium-aluminum hydrotalcite with a good crystallinity, a pure phase and a complete lamellar structure can be synthesized under the hydrothermal conditions (i.e., mole ratio n(MgO)∶n(Al(OH)3)∶n(Na2CO3) of 2∶1∶1, at 160 ℃ for 14 h). In addition, the feasibility of adsorbing phosphorus by Mg-Al hydrotalcite was also investigated. The removal rate can reach 97.4% when the concentration of phosphorus solution is 20 mg/L, the dosage of Mg-Al hydrotalcite is 0.7 g and pH value is 4-10.

coal fly ash  /  acid leaching of aluminum  /  hydrothermal method  /  magnesium aluminum hydrotalcite  /  phosphorous adsorption
刘定鹏, 秦军, 吕晴, 何敏, 于杰, 李杏. 以粉煤灰为原料制备镁铝水滑石. 硅酸盐学报, 2020 , 48 (8) : 1341 -1347 . DOI: 10.14062/j.issn.0454-5648.20190736
Dingpeng LIU, Jun QIN, Qing LV, Min HE, Jie YU, Xing LI. Preparation of Magnesium-Aluminum Hydrotalcite from Fly Ash[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (8) : 1341 -1347 . DOI: 10.14062/j.issn.0454-5648.20190736
  • 国家自然科学基金(51763002; 21266005)
  • 贵州省科技厅联合基金项目(黔科合LH字[2014]7648)
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2020年第48卷第8期
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doi: 10.14062/j.issn.0454-5648.20190736
  • 接收时间:2019-11-08
  • 首发时间:2026-10-29
  • 出版时间:2020-08-20
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  • 收稿日期:2019-11-08
  • 修回日期:2020-01-14
基金
国家自然科学基金(51763002; 21266005)
贵州省科技厅联合基金项目(黔科合LH字[2014]7648)
作者信息
    1.贵州大学,喀斯特环境与地质灾害防治重点实验室,贵阳 550025
    2.贵州大学材料与冶金学院,贵阳 550025
    3.国家复合改性聚合物材料工程技术研究中心,贵阳 550014

通讯作者:

秦军(1970—),男,教授。
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2种不同金属材料的力学参数
科
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属数
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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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