• 研究丙烯苯反应反应温度改性Y沸石催化剂失活影响

    Effect of reaction temperature on coking deactivation of a modified HY zeolite catalyst for alkylation of benzene with propylene was investigated.

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  • 本文系用脉冲他化色谱技术进行丝光沸石催化剂甲苯歧化反应动力学研究

    A pulse technique is applied to kinetic study for disproportionation of toluene on mordenite catalysts.

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  • 催化裂化装置一个不断循环流态化沸石催化剂允许快速裂解反应发生

    The FCC unit continuously circulates a fluidized zeolite catalyst that allows rapid cracking reactions to occur in the vapor phase.

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  • 改性后丝光沸石催化剂可较大幅度提高C_8芳烃收率而且催化剂的热稳定性提高。

    Modified catalysts are more stable, and can greatly increase the yield of C_8 aromatics.

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  • 技术使用专有沸石催化剂,在保证其高活性稳定性的同时,适应不同进料比例的原料。

    The proprietary zeolite catalyst is utilized and it can suit feed with various rates with high activity and stability.

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  • M - 2型复合丝光沸石催化剂研究了偏三甲苯液相非临氢异构化合成均三甲苯工艺

    A new technology for synthesis of mesitylene from pseudocumene by liquid non-hydroisomerization on M-2 catalyst was studied.

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  • 本文采用加压微反-包谱-数据处理机联合装置研究了丝光沸石催化剂甲苯歧化反应活动力学。

    The deactivation kinetics for the vapor-phase disproportionation of toluene over mordenite catalyst has been studied by using a combined unit of micro-reactor under pressure and gas chromatography.

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  • 综述三十年来国内外有关改性X沸石催化剂甲苯甲醇烷基化制备苯乙烯反应的研究状况。

    A review is presented on side chain alkylation of toluene with methanol for styrene synthesis over modified X type zeolites in the last 30 years.

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  • 介绍了硅沸石作为吸附剂处理有机物废水以及作为间接液化催化剂C_1化学方面应用

    The treatment of wasted water containing organic compounds as absorbent and the application in the C_1 chemistry as catalyst for indirect liquefaction of coal are reported.

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  • 为了解决这个问题可以无定形裂化组分沸石进行改性而制成一种复合催化剂

    To overcome this problem, the zeolite can be modified with amorphous cracking component to form a compo - site catalyst.

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  • 对用浙江缙云县产天然丝光沸石制备甲苯歧化催化剂进行了研究。

    The catalyst prepared from treated natural mordenite has a good activity for disproportionation of toluene.

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  • 考察HZ - 1沸石交换次数制备条件催化剂用量甲苯苯甲酰化反应影响。

    The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite, for example, number of exchange times on the benzoylation of toluene were studied.

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  • 评价表明含有这种改性沸石催化剂显示了优越降低汽油烯烃的效果,柴油产率可增加2.31%。

    The catalyst containing P-RE-USY exhibits excellent performance of reducing naphtha olefins, increasing diesel yield more than 2.31%.

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  • 研究了以阳离子改性丝光沸石催化剂,以甲醇为原料,常压固定床上二甲胺选择性合成反应。

    The select(?)ve synthesis of dimethylamine from ammonia and methylalcohol using the cation modified mordenite as catalysts on atmospheric pressure fixed bed have been studied.

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  • 介绍制备沸石分子筛催化剂成型时,成型条件对催化剂强度影响

    The factors which influence the mechanical strength of the zeolite catalyst during extruding were discussed.

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  • 催化剂包括乙烯基吡啶聚合物沸石

    The catalysts comprise a vinylpyridine polymer and a titanium zeolite.

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  • HY沸石能够回收重新使用,显示出新鲜催化剂几乎相同催化活性

    The HY zeolite can be recovered and reused to show almost the same catalytic activity as that shown by fresh zeolite.

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  • 综述了用沸石分子筛作催化剂,择烷基化合成4,4’-烷基联苯研究进展。

    The development of shape - selective alkylation of biphenyl to 4,4' - dialkylbiphenyl over zeolite catalysts is reviewed.

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  • 分析催化裂化催化剂中心形成机制重点论述了HY沸石REY沸石B酸中心的形成机理以及催化剂基质沸石L酸中心的产生途径。

    The formation mechanism of acid sites, mainly the formation mechanism of Bronsted acid sites in HY and REY zeolite as well as Lewis acid sites in matrices and zeolite of FCC catalysts are analyzed.

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  • 催化裂解催化剂个含改性五元环中沸石的固体酸催化剂,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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  • 催化裂化汽油原料对开发RZE 3沸石催化剂反应性能进行了研究,并树脂催化剂进行对比。

    Reaction properties of RZE-3 zeolite catalyst for etherification of FCC light gasoline were studied in comparison with resin catalysts.

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  • 酸性天然沸石催化剂催化反应精馏塔进行了合成乙酸乙酯的研究。

    The ethyl acetate is synthesized in reaction distillation column with acid natural zeolite as catalyst.

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  • 应用skr - 80型砂机,对多种催化裂化催化剂物料进行了砂试验,找出沸石结晶度粒度等物料性质砂磨过程中的变化规律

    Various FCC catalysts and relevant materials were ground by using SKR 80 sand grinder. The changes of zeolite crystallinity and particle size during grinding were found.

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  • 超稳y分子筛稳定性抗钒性能焦炭选择性优于传统沸石,适合作为渣油FCC催化剂的活性主体。

    For FCC resid processing, USY zeolite is perferred because of its superior hydrothermal stability, vanadium resistance and coke selectivity compared to conventional zeolites.

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  • 研究甲醇改性丝光沸石催化剂常压固定床上选择性合成二甲胺反应。

    The selective catalytic synthesis of dimethylamine from ammonia and methylalcohol over cerium modified mordenite under ambient pressure in a fixed bed reactor has been studied.

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  • 新型沸石分子筛催化剂TS-1成功合成为开发这种新工艺带来希望

    The synthesis of a novel type zeolite named TS-1 brings the hope to former method.

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  • 考察了微米纳米hz沸石回收套用性能,使用过催化剂程序升温焙烧再生后,催化活性基本得以恢复。

    The recovery properties of Nano and Micro HZ catalysts were investigated. The spent catalysts can be refreshed by temperature-programmed calcinations.

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  • 指出作原料,沸石分子筛催化剂制备2,6-DIPN石油生产理想技术方向。

    The paper also points out that the ideal technology of petroleum naphthalene production is preparing 2,6-DIPN from naphthalene and propylene on the zeolite molecular sieve.

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  • 同时还综述了4A沸石作为洗涤剂助剂离子交换材料吸附脱附材料、催化剂载体及主客体化学材料应用

    Applications of 4A zeolite as detergent builder, ion-exchange materials, adsorption-desorption materials, catalyst carrier et al were summarized.

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  • 本发明所提供催化剂金属改性后沸石分子筛硅氧烷基化合物修饰表面酸性结构得到

    The catalyst provided by the invention is obtained by the method that the surface acidity and the pore structure of a metal modified zeolite molecular sieve are decorated by siloxy group compound;

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