CAS OpenIR
UZM-8 Zeolite Synthesized from Solid Aluminosilicate Gel and Its Catalytic Performance
Shi, Yanchun1; Xing, Enhui2; Xie, Wenhua2; Zhang, Fengmei2; Mu, Xuhong2; Shu, Xingtian2
2019-05-15
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume58Issue:19Pages:7725-7733
AbstractInstead of conventional aluminum isopropoxide and silica sources, commercially available solid aluminosilicate gel with SiO2/Al2O3 = 25 was selected to synthesize UZM-8 zeolite with diethyl-dimethylammonium hydroxide (DEDMAOH) as the structure-directing agent (SDA) in the Na+-free system. The structure-directing function and decomposition of DEDMAOH were analyzed. With the irregular stacking of MWW layers, UZM-8 zeolite with solid aluminosilicate gel as silica and aluminum sources possessed better stability during crystallization, better crystallinity, higher surface area, clearly separated Si-29 MAS NMR resonances, and more acid sites accessed by pyridine and 2,4,6-trimethyl-pyridine than conventional synthesized UZM-8 zeolite, which resulted in obvious improvement in ethylene conversion with little loss in ethylbenzene selectivity at higher temperatures.
DOI10.1021/acs.iecr.8b05503
Language英语
WOS KeywordLIQUID-PHASE ALKYLATION ; TRANSFER HYDROTHERMAL SYNTHESIS ; MCM-22 ZEOLITE ; MWW ZEOLITES ; POST-SYNTHESIS ; BENZENE ; ACIDITY ; ETHYLENE ; BETA ; SELECTIVITY
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000468368100004
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28196
Collection中国科学院过程工程研究所
Corresponding AuthorXing, Enhui
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Div Environm Engn & Technol, Beijing 100190, Peoples R China
2.Sinopec, Res Inst Petr Proc, State Key Lab Catalyt Mat & React Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Shi, Yanchun,Xing, Enhui,Xie, Wenhua,et al. UZM-8 Zeolite Synthesized from Solid Aluminosilicate Gel and Its Catalytic Performance[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2019,58(19):7725-7733.
APA Shi, Yanchun,Xing, Enhui,Xie, Wenhua,Zhang, Fengmei,Mu, Xuhong,&Shu, Xingtian.(2019).UZM-8 Zeolite Synthesized from Solid Aluminosilicate Gel and Its Catalytic Performance.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,58(19),7725-7733.
MLA Shi, Yanchun,et al."UZM-8 Zeolite Synthesized from Solid Aluminosilicate Gel and Its Catalytic Performance".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 58.19(2019):7725-7733.
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