In addition, the commercial application of newly developed DCC catalyst with high propylene selectivity was also summarized.
另外对新开发的高丙烯选择性催化裂解催化剂的工业应用情况进行了总结。
The special characters of copper colloidal catalyst is the high selectivity in the reaction of hydration of acrylonitrile to acrylamide.
胶体铜催化丙烯腈水合制备丙烯酰胺反应的突出催化特征是高选择性。
A hydrocracking catalyst with high selectivity to middle distillates was developed.
开发了一种具有较高的中油选择性的加氢裂化催化剂。
The advantages of the method include rapid colour developing without catalyst, high sensitivity and selectivity.
方法具有显色迅速、不用催化剂、灵敏度及选择性较高以及不含乙醇等特点。
A successful technical catalyst is required not only to have high activity, selectivity and heat-resistance, but also enough high mechanical strength in order to resist some mechanical stresses.
一种成功的工业催化剂，除具有足够的活性、选择性和耐热性外，还必须具有足够的机械强度，以便抵抗在使用过程中的各种应力。
The commercial trial results showed that FC-24 catalyst possessed stable high activity and good selectivity, thus the product slates were high in total C5 + liquid yield and low in gas yield.
标定结果表明，FC - 24催化剂具有较高的活性且稳定性好，产品选择性好，产气少、C5 +液收高。
The perfermance test on a commercial riser cracker shows that meta-Y-3A molecular sieve cracking catalyst is of high activity and improved gasoline selectivity.
偏Y-3A分子筛裂化催化剂在提升管催化裂化工业装置上使用试验的结果表明，该催化剂的裂化活性较高，汽油选择性较好。
Carbon materials have high catalytic activity and selectivity to propene for ODP. Compared with activated carbon and graphite, CNF is a promising catalyst for ODP due to its structure peculiarities.
结果表明炭材料自身对于OD P过程具有较高的活性和选择性，尤其是CNF由于其独特的结构特点更适合用作odp过程催化剂。
In the oxidation process for manufacturing ethylene oxide, maintaining the high selectivity of the silver catalyst is essential to obtaining the best efficiency.
在乙烯氧化制环氧乙烷过程中，保持银催化剂的高选择性是发挥装置最好效益的行之有效的方法。
The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.
研究了胶体铜催化丙烯腈水合制丙烯酰胺的高选择性与活性中心结构的关系。
The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.
该催化剂具有良好的活性和稳定性，TAME转化率和异戊烯的选择性均超过99%。
The result showed proper reaction temperature, catalyst to oil ratio and short reaction time may detriment thermal cracking reaction, hydrogen transfer reactions, and get high propylene selectivity.
结果表明：适当的反应温度，剂油比，反应时间短，可能损害的热裂化反应，氢转移反应，并获得高的丙烯选择性。
The catalyst has high selectivity and the whole process is environmentally acceptable.
催化剂有高的选择性。整个过程有好的生产环境。
The present invention has mild reaction condition, simple operation, easy-to-obtain catalyst, high reaction selectivity and high conversion rate and has high industrial practicability.
本发明具有反应条件温和、操作过程简单、催化剂价廉易得、反应选择性好、反应转化率高等优点，是一种满足工业化需求、实用性很强的方法。
The present invention relates to a high selectivity, high activing new type solid acid catalyst for esterification and its preparation method.
本发明为一种酯化反应用高选择性、高活性新型固体酸催化剂及其制备方法。
Said catalyst features high reaction activity and selectivity and less by-product.
该催化剂具有反应活性和选择性高副产物少的特点。
The catalyst has high activity, high selectivity, high stability, long service life and high catalytic efficiency.
本发明使得催化剂的活性和选择性高、稳定性好、使用寿命长、催化效率大大提高。
The catalyst had high activity and high selectivity in esterification of phthalic anhydride with isoamyl alcohol.
该催化剂对邻苯二甲酸酐和异戊醇的酯化活性高，无副反应。
Its advantages include high activity and selectivity of catalyst, easy separating and reuse of catalyst, and low cost.
且催化剂颗粒较大，易于从反应产物中分离，催化剂可重复使用，明显降低了生产成本。
When said catalyst is used for making Fischer-Tropsch synthesis reaction, as compared with skeleton iron it possesses high activity and selectivity.
该催化剂用于费托合成反应时，具有比骨架铁高的活性和选择性。
The catalyst has high catalytic activity, good selectivity and stability, environment protection, simple preparation and lower cost.
本发明所述催化剂具有催化活性高、选择性好、稳定性良好、环境友好、制备简单、成本低的优点。
The current method offers several advantages including high yields, good selectivity, the use of BiCl3 as an inexpensive catalyst, solvent-free, simple experimental procedure.
该方法具有在反应过程中收率高、选择性好、催化剂廉价、反应不需要任何有机溶剂、反应速度快、后处理简捷等优点。
The current method offers several advantages including high yields, good selectivity, the use of BiCl3 as an inexpensive catalyst, solvent-free, simple experimental procedure.
该方法具有在反应过程中收率高、选择性好、催化剂廉价、反应不需要任何有机溶剂、反应速度快、后处理简捷等优点。
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