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- 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。
- 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;
- 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;
- A few species of ultrastable Y zeolite with homogeneous aluminium distribution were prepared by means of combining hydrothermal roast and adding some A12(SO4)3 into the H2SiF6-NH3 dealumium ized and silicon enriched ultrastable Y zeolite slurry. 采用水热焙烧和向H_2SiF_6-NH_3脱铝补硅超稳Y沸石体系中添加适量Al_2(SO_4)_3的方法制备出几种铝分布均匀的超稳Y沸石分子筛。
- Adopting silicon tetrachloride treatment,the ultrastable Y zeolite prepared from the microwave dried zeolite possessed the same crystalline structure and physicochemical properties a... 与传统电加热干燥方式相比,微波干燥能缩短干燥时间,有效降低能耗。
- ESR STUDY OF THE VO (H_2O)_4~(2+) COMPLEX SUPPORTED ON Y TYPE ZEOLITES Y-型沸石上VO(H_2O)_4~(2+)的ESR波谱研究
- Keywords NH_4F;ultrastable Y zeolite;modification;FCC catalyst; 氟化铵;超稳Y型分子筛;改性;催化裂化催化剂;
- A series of ultrastable Y zeolites with varies Si/Al mol ratio prepared by different dealumination methods have been investigated. 研究了不同方法和不同程度脱铝对Y型沸石浸镧老化后的结构性质和催化裂化性能的影响。
- JAT OFC with Rhodium Plated Y type Speaker Terminal. 一体成型无氧铜高纯度镀铑Y型喇叭端子。
- Keywords Tungsten;Nickel;Alumina;Ultrastable Y zeolite;Hydrodenitrogenation; 钨;镍;氧化铝;超稳Y型分子筛;加氢脱氮;
- Keywords ultrastable Y zeolite;hydrothermal stability;silicon colloidal sol; 超稳Y沸石;水热稳定性;硅溶胶;
- Keywords cracking catalyst;ultrastable Y zeolite;Al 2O 3;nickel resistance; 裂化催化剂;超稳Y分子筛;氧化铝;
- Keywords ultrastable Y zeolite;phosphate;MAS-NMR;hydrothermal treatment; 超稳Y分子筛;磷;固体核磁共振;水热处理;
- 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。
- 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。
- Notes:Weight and rotary inertia are approximate value calculated by the greatest shaft-hole dia. of Y type hole. 注:重量、转动惯量是按最大轴孔直径Y型孔计算的近似值。
- 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。
- Keywords endo-tetrahydrodicyclotadiene;ultrastable Y zeolite;12-tungstophosphoric acid;adamantane; 四氢双环戊二烯;超稳Y沸石;磷钨酸;金刚烷;
- Method Performing theoretical and experimental stress analysis for fixing Y type femora fracture by using three different internal fixation methods. 方法:从理论和实验上对股骨Y形骨折,应用三种不同内固定方法加以固定,进行实验应力分析。