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- The Y zeolite is calcinated at high temperature after fluoride modified. 摘要 采用氟处理结合高温焙烧的方法对Y型分子筛进行改性。
- Y-MCM-41 containing secondary building units of Y zeolite was prepared and then treated by ion exchange method. 制备了含有Y沸石次级结构单元的Y-MCM-41,并对其进行离子交换处理。
- The relationship between surface acidity and alkylation reaction catalytic activity of modified Y zeolite was studied on fixed-bed reactor by FT-IR. 用红外光谱法研究了改性Y型分子筛的表面酸性,并考察了烷基化反应活性与酸性质的关系。
- It has been shown that the hydrothermal stability Of ultrastabl Y zeolite FSY can be improved by adding silicon colloidal sol into the FSY slurry. 在制备过程中添加硅溶胶改善了氟硅酸铵脱铝补硅超稳Y沸石FSY的水热稳定性。
- The alkylation of aniline with cyclohexene in the presence of Y zeolite was carried outin an autOclave.The products were characterized using GC-MS,GC-IR and other techniques. 用高压反应釜结合气相色谱、气相色谱-质谱联用、气相色谱-红外联用等分析技术探讨了环己烯和苯胺在不同酸度Y型沸石上的烷基化反应。
- 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。
- A series of 12-phosphotungstic acid(PW)and their Cs salts catalysts supported on dealuminated ultra-stable Y zeolite(DUSY)were prepared. Their catalytic activities were measured by synthesis of fructone-B from ethyl acetoacetate and 1,2-propanediol. 制备了一系列以脱铝超稳Y沸石(DUSY)为载体的磷钨酸(PW)及其铯盐催化剂,考察了催化剂在以乙酰乙酸乙酯和1,2-丙二醇为原料催化合成草莓酯反应过程中的性能。
- The reduction of nickel deposits on silica-alumina(SiAl)and cerium-ex- changed Y zeolite(CeHY)before and after passivation with antimony and tin compounds has beon studied by means of TPR and ESR methods. 本文用程序升温还原(TPR)方法研究了硅铝(SiAl)和铈 Y 型分子筛(CeHY)催化剂上沉积镍钝化前后的还原情况。
- In this paper,the influence of process-parameters of ion exchange,calcinations,dealumination and silicon reinsertion on the quality of PSRY was investigated from the view of Y zeolite structure. 文章从Y型沸石的结构入手,分析了离子交换、焙烧和脱铝补硅等操作参数对PSRY分子筛质量的影响,优化了工艺条件,有效地提高了产品质量。
- The reactions of thiophene contained in FCC naphtha over USY zeolite, rare earth metal exchanged Y zeolite and Zn modified Y zeolite were studied on the MAT and correlated with zeolite acidity. 采用催化裂化微型反应评价装置,考察了不同稀土含量的Y型分子筛及其锌改性后对催化裂化汽油中噻吩硫转化能力的影响,并与分子筛酸性关联,提出噻吩反应的可能途径。
- 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。
- secondary building unit of Y zeolite Y沸石次级结构单元
- Hydrogen transfer activity of different zeolites and different Y zeolites has been studied in the catalytic cracking of dodecane. 以正十二烷为模型化合物,考察了不同类型分子筛和不同Y型分子筛的氢转移性能及其对裂化产物中液相烯烃产率的影响。
- 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。
- A series of Y zeolites were prepared by routine method,and the thermal stability,cracking activity and hydrogen transfer activity of the prepared Y zeolites were measured. 用常规方法制备了一系列Y型分子筛，测定了其热稳定性、催化裂化及氢转移活性。
- Keywords dealumination;Y zeolite;benzene;1 dodecene;alkylation; 脱铝;Y沸石;苯;1-十二烯;烷基化;
- 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;
- ultra stable Y zeolite supported silicotungstic acid 超稳Y沸石负载硅钨酸
- Y is sometimes a vowel, as in bicycle. Y有时是元音字母，如在单字bicycle中。
- Keywords Tungsten;Nickel;Alumina;Ultrastable Y zeolite;Hydrodenitrogenation; 钨;镍;氧化铝;超稳Y型分子筛;加氢脱氮;
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