通过水热法制备了锆磷铝固体酸催化剂;
The ZrPAl solid acid catalysts had been prepared by hydrothermal method.
固体酸催化剂不经处理可循环使用多次。
The catalyst could be repetitively used without any treatments.
所用固体酸催化剂可重复使用,且对环境无污染。
Solid acid catalyst can be reused and recycled as well as non-pollution for environment.
掺杂了氧化镧的硫酸钛经高温焙烧后制得新型固体酸催化剂。
A new type of solid acid was prepared by calcination of titanium sulphate doped with lanthanum oxide.
叙述了环氧丙烷与低级脂肪醇在la2型固体酸催化剂上的反应。
The etherification reaction of propylene oxide with lower aliphatic alcohol over LA2 solid acid catalyst was studied.
依据实验结果,提出了固体酸催化剂作用下的液相酯化反应机理。
Based on the experimental results the mechanism of liquid-phase esterification catalyzed by solid acid is suggested.
全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
综述了异丁烷与丁烯烷基化反应用固体酸催化剂的研究现状及发展趋势。
This paper elucidates the present situation of research and development of solid acid catalysts for the alkylation of isobutane with butene.
指出了采用固体酸催化剂一步法合成乙酸松油酯应是今后研究工作的重点。
It is pointed out that the one-step process catalyzed by solid acid catalysts will become the focus of research works for terpinyl acetate synthesis.
指出了采用固体酸催化剂一步法合成乙酸松油酯应是今后研究工作的重点。
The effect of sulfating agents and preparation methods on the structure and properties of zirconium-based solid acid catalysts;
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。
The present invention relates to a high selectivity, high activing new type solid acid catalyst for esterification and its preparation method.
游离磷酸作为硅藻土磷酸盐固体酸催化剂, 用于催化丙烯齐聚和其他反应。
The relationship between catalytic activity and the amount and composition of the free phosphoric acid was studied.
由高水热稳定的巯基官能化介孔硅基材料经氧化得到磺酸基官能化介孔固体酸催化剂。
The conversion of -SH groups on the pore surface of the mercapto-functionalized mesoporous silicas with high hydrothermal stability to -SO3H gave rise to a series of solid acidic catalysts.
探讨了该反应的特点、固体酸催化反应机理及用于此反应的固体酸催化剂应满足的条件。
Reaction character, reaction mechanism of solid acid catalysis and requirements for solid acid catalysts used are discussed.
本文研究了一种固体酸催化剂—阳离子交换树脂催化剂,用于对羟基苯甲酸的酯化反应。
In this paper, the strong acid ion exchange resins have been studied as the solid-acid catalyst for the esterification of 4-hydroxybenzoic acid.
实验结果表明这些固体酸催化剂对于低级脂肪酸的酯化反应具有较高的酸催化活性、选择性和稳定性。
The results have shown that the series of catalysts have higher acid catalytic activation, stability and selectivity to lower fatty ester.
重点介绍了代替浓硫酸催化该反应的固体酸催化剂、催化剂的失活与再生、反应器工业化的方法的进展。
The progress in the solid acid catalyst for the replacement of corrosive sulfuric acid, catalyst deactivation and regeneration, and reactor engineering was introduced.
该文讨论了应用固体酸催化剂和载体,在醋酐存在下,采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。
The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
本发明属于无机材料技术领域,具体为一种固体酸催化剂-聚对苯乙烯磺酸接枝改性碳纳米管的制备方法。
The invention belongs to the field of inorganic materials technology, specifically as a solid acid catalyst - grafted poly styrene sulfonic acid preparation method of carbon nanotubes.
催化裂解催化剂是一个含改性五元环中孔沸石的固体酸催化剂,汽油一次产物在中孔沸石内进行二次裂化转化为轻烯烃。
DCC catalyst consists of a modified mesopore zeolite with pentasil structure for primary product of naphtha range to undergo secondary cracking for producing light olefins.
有效地提高了蒙脱土固体酸催化剂的热稳定性;通过从二维层状结构到三维孔道结构转变,切实提高了材料自身择形催化的特性。
We effectively improve the MMT thermal stability of solid acid catalyst and the shape-selective catalysis by transforming the two-dimensional layered structure to the three-dimensional pore structure.
介绍了用全氟磺酸树脂作固体超强酸催化剂的进展情况和应用实例。
The advance situation and applied examples of perfluorinated sulfonic resin as solid super acidic catalyst are introduced.
讨论了固体超强酸催化剂理论及催化剂现代表征方法,催化剂酸中心形成、失活机理,固体超强酸催化剂的应用。
Catalytic theory of solid superacid catalysts and modern analysis methods for the catalysts, structure of acidic centers, mechanisms of deactivation, applications of solid superacid are discussed.
该合成工艺应用固体超强酸催化剂具有催化活性高、催化速率快、化学稳定性好、无环境污染等优点。
The superacid catalyst has the characteristics of high catalytic activities and rate, good chemical stability and little waste discharge in the synthesis.
研究了固体超强酸催化剂制备条件对催化剂性质及萘齐聚反应的影响。
The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper.
研究了固体超强酸催化剂制备条件对催化剂性质及萘齐聚反应的影响。
The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper.
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