Latest researches in SAPO-18 molecular sieve were reviewed with respect to its synthesis, structure, acidity and application in methanol-to-olefins (MTO) process.
介绍了SAPO - 18分子筛的合成、结构组成、酸性表征及其在催化甲醇制烯烃(MTO)反应中应用的最新研究情况。
SAPO is a novel class of catalytic materials which exhibit excellent shape selectivity, thermal stability and hydrothermal stability, which can catalyze hydrocarbon reactions.
骨架呈负电性，具有可交换的阳离子，被广泛用作吸附剂、催化剂和催化剂载体，是一种具有优异择形选择性、热稳定性和湿热稳定性的新型催化材料。
The invention relates to a modification method of a SAPO molecular sieve, mainly aiming at solving the problem of poor performance of the SAPO molecular sieve in the prior art.
本发明涉及一种SAPO分子筛的改性方法，主要解决现有技术中SAPO分子筛性能差的问题。
Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS) is a new in situ technique, and this method is used to investigate the framework of SAPO-34 molecular sieve.
原位漫反射红外光谱是一新的原位表征技术，该方法用于表征磷酸硅铝分子筛sapo_34的骨架。
The silicoaluminophosphate molecular sieve(SAPO-5) with relative bigger pore diameter was synthesized hydrothermally and the optimum synthesis condition was determined through experiments.
采用水热法合成大孔径硅磷酸铝分子筛（SAPO-5），并通过试验确定了SAPO-5分子筛的最佳合成条件。
The result showed that there were two kinds of active sites on SAPO-34 and SAPO-44 molecular sieves, which were corresponding to the acidic sites with different strength on the molecular sieves.
结果表明，SAPO分子筛表面存在两种活性中心，这两种活性中心与分子筛表面不同的酸性中心相对应。
The study indicates that synthetic conditions such as crystallization temperature and time, the type and composition of organic templates, could effect on SAPO-11 molecular sieves synthesis greatly.
研究表明，合成条件，如晶化温度和时间、有机模板剂的类型和组成等，都对SAPO - 11分子筛的合成有很大影响。
The study indicates that synthetic conditions such as crystallization temperature and time, the type and composition of organic templates, could effect on SAPO-11 molecular sieves synthesis greatly.
研究表明，合成条件，如晶化温度和时间、有机模板剂的类型和组成等，都对SAPO - 11分子筛的合成有很大影响。
应用推荐