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Crystallization behavior of zeolite beta from acid-leached metakaolin
Li Qiang1,2; Zhang Ying1,3; Cao Zhijun1; Gao Wei1; Cui Lishan1,3; Zhang, Y
2010-12-01
Source PublicationPETROLEUM SCIENCE
ISSN1672-5107
Volume7Issue:4Pages:541-546
AbstractWell-crystallized zeolite beta was synthesized by using acid-leached metakaolin as the silica-alumina source and tetraethylammonium hydroxide structure-directing agent. The influence of the composition of the reaction mixture on product crystallinity was investigated, and the crystallization process was studied by examining solid samples obtained at different synthesis times. Results showed that the acid-leached metakaolin was fully converted into soluble aluminum and silicon species, which is crucial for the formation of well-crystallized zeolite beta. At the beginning of the crystallization process, these soluble aluminum and silicon species formed a aluminum-rich intermediate structure with layer morphology. With the crystallization proceeding, more silicon species were incorporated into the zeolite beta framework and the layered structure was changed into spherical particles of zeolite beta with high SiO2/Al2O3 ratio and crystallinity.
KeywordZeolite Beta Acid-leached Metakaolin Tetraethylammonium Hydroxide (Teaoh) Liquid Phase Transformation Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1007/s12182-010-0106-9
Indexed BySCI
Language英语
WOS KeywordDRY GEL ; KAOLIN ; TRANSFORMATION ; DISSOLUTION ; CONVERSION
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Petroleum
WOS IDWOS:000284509300015
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5563
Collection多相复杂系统国家重点实验室
Corresponding AuthorZhang, Y
Affiliation1.China Univ Petr, Dept Mat Sci & Technol, Beijing 102249, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.China Univ Petr, Microstruct Lab Energy Mat, Beijing 102249, Peoples R China
Recommended Citation
GB/T 7714
Li Qiang,Zhang Ying,Cao Zhijun,et al. Crystallization behavior of zeolite beta from acid-leached metakaolin[J]. PETROLEUM SCIENCE,2010,7(4):541-546.
APA Li Qiang,Zhang Ying,Cao Zhijun,Gao Wei,Cui Lishan,&Zhang, Y.(2010).Crystallization behavior of zeolite beta from acid-leached metakaolin.PETROLEUM SCIENCE,7(4),541-546.
MLA Li Qiang,et al."Crystallization behavior of zeolite beta from acid-leached metakaolin".PETROLEUM SCIENCE 7.4(2010):541-546.
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