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Keywords MWW type zeolite;Alkylation;Acid property;Pore texture;Isopropyl benzene; MWW型分子筛;烷基化;酸性;孔道结构;异丙苯;
With the above-mentioned mainline,the recent development of MWW type zeolite is reviewed. 根据这条主线,本文评述了MWW结构分子筛的研究进展。
MWW type zeolite is a kind of practical catalytic new material,which has special crystal structure. MWW结构分子筛是一类具有独特晶体结构的实用分子筛催化新材料。
Zinc contained MWW type zeolites were prepared under static hydrothermal conditions by using silica, NaAlO2 , NaOH, Zn(NO3)2, H2O and hexamethyleneimine( HMI) as the raw materials. 以硅胶、NaAlO2、NaOH、Zn(NO3)2和去离子H2O为原料,六亚甲基亚胺(HMI)为模板剂,采用静态水热晶化法对Zn-MWW结构分子筛的合成进行了研究。
MWW type zeolite Mww型分子筛
Keywords MWW zeolite;synthesis;catalytic activity;silica gel powder; MWW分子筛;催化活性;合成;硅胶粉;
The effect of Sb2O3 on the surface character of a HZSM-5 type zeolite catalyst has been studied by ESCA. 借助ESCA技术,研究了Sb_2O_3对HZSM-5型沸石表面性质的影响。
Keywords L type zeolite;aluminosilicate crystal; 型沸石;硅酸铝晶体;
This article introduces the production technology of ethyl benzene by circulation process for liquid phase and its AEB type zeolite catalyst. 摘要报导了苯和乙烯液相循环烷基化工艺及其所用AEB型分子筛催化剂。
Research and development results are reported for the synthesis of ethyl benzene by benzene alkylation with ethylene on AEB type zeolite catalyst in liquid phase. 报道了苯和乙烯在AEB型分子筛催化剂上进行液相烷基化反应合成乙苯的研究开发结果。
Keywords MWW;zeolites;synthesis;characterization;catalysis; 分子筛;合成;表征;催化;
The adsorption and desorption of propylene,benzene,isopropylbenzene(IPB) and di isopropylbenzene(DIPB) over Y type zeolite catalyst were studied by using in situ IR and TPD ITD methods. 采用原位红外和TPD－ITD研究了二异丙苯、异丙苯、苯和丙烯在Y沸石催化剂上的吸附和脱附。
New type zeolite catalyst was prepared with new type zeolite as active component,with boehmite as carrier,and its activities of olefins removal was tested and compared with acid clay. 以新型分子筛为活性组分,与一定比例的载体混合后通过共沉淀法制成新型催化剂。
Keywords MWW zeolites;rotating synthesis;characteration;catalytic performance; MWW分子筛;动态合成;表征;催化性能;
Keywords Y type zeolite;Transalkylation reaction;Pore structure;Diisopropylbenzene; 型沸石;烷基转移反应;孔结构;二异丙苯;
Preferentially Oriented Growth of MFI - Type Zeolite Crystals MFI型沸石晶体的择优定向生长
Keywords Y type zeolite;Toluene;Methane;Oxidative methylation;Styrene;Ethylbenzene;Acidity;Basicity; 型分子筛;甲苯;甲烷;氧化甲基化;苯乙烯;乙苯;酸性;碱性;
Synthesis and Properties of ZSM-5 Type Zeolite Membrane ZSM-5型沸石膜的合成、表征及反应性能研究
THE ACIDITY OF THE THERMAL DECOMPOSED NH_4Y TYPE ZEOLITE 热分解NH_4Y型沸石的酸性
Keywords ZSM 48 type zeolite;Hetro atom crystallization;pore property;isomorphous replace;physicochemical property; 48型分子筛;杂原子;晶化孔道性质;同晶取代;物化性能;