• 通过水热法制备了磷铝固体催化剂

    The ZrPAl solid acid catalysts had been prepared by hydrothermal method.

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  • 固体酸催化剂处理循环使用多次。

    The catalyst could be repetitively used without any treatments.

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  • 所用固体催化剂重复使用,且环境无污染

    Solid acid catalyst can be reused and recycled as well as non-pollution for environment.

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  • 掺杂了氧化高温焙烧后制得新型固体催化剂

    A new type of solid acid was prepared by calcination of titanium sulphate doped with lanthanum oxide.

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  • 叙述了环氧丙烷低级脂肪醇在la2固体催化剂反应

    The etherification reaction of propylene oxide with lower aliphatic alcohol over LA2 solid acid catalyst was studied.

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  • 依据实验结果提出固体催化剂作用下液相酯化反应机理

    Based on the experimental results the mechanism of liquid-phase esterification catalyzed by solid acid is suggested.

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  • 全面系统地考察了层柱稀土固体催化剂甲醇环氧乙烷化反应。

    Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.

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  • 综述异丁烷丁烯烷基化反应用固体催化剂研究现状发展趋势。

    This paper elucidates the present situation of research and development of solid acid catalysts for the alkylation of isobutane with butene.

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  • 指出了采用固体催化剂一步合成乙松油是今后研究工作重点

    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.

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  • 指出采用固体催化剂一步法合成乙油酯应是今后研究工作重点。

    The effect of sulfating agents and preparation methods on the structure and properties of zirconium-based solid acid catalysts;

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  • 发明一种酯化反应用选择性高活性新型固体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.

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  • 游离作为硅藻土磷固体催化剂, 用于催化丙烯齐聚其他反应。

    The relationship between catalytic activity and the amount and composition of the free phosphoric acid was studied.

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  • 水热稳定巯基官能化硅基材料经氧化得到磺基官能化介孔固体催化剂

    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.

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  • 探讨了该反应特点固体催化反应机理用于此反应的固体酸催化剂满足的条件。

    Reaction character, reaction mechanism of solid acid catalysis and requirements for solid acid catalysts used are discussed.

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  • 本文研究了一种固体催化剂阳离子交换树脂催化剂用于对羟基苯甲酯化反应

    In this paper, the strong acid ion exchange resins have been studied as the solid-acid catalyst for the esterification of 4-hydroxybenzoic acid.

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  • 实验结果表明这些固体酸催化剂对于低级脂肪酯化反应具有较高催化活性选择性稳定性

    The results have shown that the series of catalysts have higher acid catalytic activation, stability and selectivity to lower fatty ester.

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  • 重点介绍代替催化该反应固体催化剂催化剂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.

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  • 该文讨论了应用固体催化剂和载体酐存在下,采用载体硝化甲苯氯苯选择性。

    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.

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  • 发明属于无机材料技术领域具体一种固体催化剂-对苯乙烯接枝改性纳米管制备方法

    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.

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  • 催化裂解催化剂个含改性五元环中孔沸石固体酸催化剂,汽油一次产物中孔沸石内进行二次裂化转化烯烃

    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.

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  • 有效地提高蒙脱土固体催化剂稳定性通过从二层状结构孔道结构转变,切实提高了材料自身催化的特性。

    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.

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  • 介绍了用全树脂固体催化剂进展情况应用实例

    The advance situation and applied examples of perfluorinated sulfonic resin as solid super acidic catalyst are introduced.

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  • 讨论了固体催化剂理论催化剂现代表征方法催化剂中心形成机理固体超强酸催化剂应用

    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.

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  • 合成工艺应用固体超强催化剂具有催化活性、催化速率快化学稳定性好环境污染等优点。

    The superacid catalyst has the characteristics of high catalytic activities and rate, good chemical stability and little waste discharge in the synthesis.

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  • 研究固体酸催化剂制备条件催化剂性质齐聚反应影响

    The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper.

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  • 研究固体酸催化剂制备条件催化剂性质齐聚反应影响

    The influence of solid superacid preparation on its properties and naphthalene oligomerization was investigated in this paper.

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