研究了改性分子筛的热稳定性；
The thermal stabilities of modified zeolite molecular sieves were investigated .
本发明公开了一种复合改性分子筛催化剂及其制备方法和应用。
This invention discloses a composite modified catalyst with molecular sieves and its preparation method and application.
氧化物和盐类在分子筛上自发分散是分子筛改性的一个重要原理和方法，有广泛的用途。
Spontaneous dispersion of oxides and salts to zeolites as a principle and method for modification of zeolites might have extensive applications.
考察了用酸性、两性和碱性氧化物改性HY分子筛对烷基化反应性能的影响。
Influence of modification with acidic, amphiprotic and basic oxides on alkylation properties of HY molecular sieve was investigated.
改性的HY分子筛对苯和乙烯的液相烷基化反应具有高的活性和选择性。
The liquid phase alkylation of benzene with ethylene was carried out over HY zeolites modified with phosphorus as well as magnesium, nickel and lanthanum.
此方法可用于准确跟踪介孔分子筛的嫁接和改性过程。
This method can be used to follow accurately the graft and modification process of mesoporous molecular sieve.
结果表明：当纤维中分子筛质量分数为2%时，改性PET纤维的可纺性较好；
The results showed that the modified PET fiber had good spinnability when the molecular sieve content in fiber was 2% by mass fraction;
近年来，在中孔分子筛的合成、修饰改性及催化应用方面的研究已经取得了较大进展。
In recent years, great progress has been made in synthesis, modification, and novel application of mesoporous molecular sieves.
改性后超稳Y型分子筛的晶体结构热稳定性增加，脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
作为以上裂化催化剂活性组分的Y型分子筛的制备与改性更引起人们关注。
Of special interest is the synthesis and modification of the zeolite y, which is the main active component of the above FCC catalysts.
用氟硅酸铵对HMCM-22分子筛进行了改性处理，并采用氨程序升温脱附和吡啶吸附红外光谱法测定了其酸性。
HMCM-22 zeolite was modified with ammonium hexafluorosilicate and characterized by temperature-programmed desorption of ammonia and pyridine adsorption infrared spectroscopy.
评述了微波在沸石分子筛多相催化反应、表征沸石分子筛特性、沸石分子筛自身加热以及分子筛改性中的应用；
The use of zeolites in the field of multi-phase catalysis, characterization of zeolites, self-heating and modification of zeolites are summarized.
为此，制备和开发了几种新的酸性材料，如富硅骨架y沸石、层柱分子筛、改性Y型沸石等。
Several new acid materials, FSEY, PILC and modified faujasite Y are developed for this purpose.
对usy分子筛进行HF改性实验。
以苯基三甲氧基硅烷为偶联剂对纳米MCM-41分子筛进行了有机改性，制备了苯基改性的纳米MCM-41分子筛MCM-41（m）。
The reaction of silanization between the silanols in the channels of the modified nanometer MCM-41 molecular sieve and the phenyltrimethoxysilane occurs.
本文对MCM - 41介孔分子筛的合成、改性、表征与催化性能进行了扼要的评述。
This article discusses the synthesis, modification, characterization and catalysis performance of MCM-41.
并结合结构表征结果，详细研究了各种改性介孔分子筛的结构、酸、碱性质与催化性能之间的关系。
According to the results of catalytic characterization, the relationships among structure, acidity, base and catalytic performance of different acid mesoporous molecular sieves were studied.
采用USY、REY和REHY分子筛为催化剂，在固定流化床上进行了催化裂化（FCC）汽油改性试验。
Upgrading of FCC gasoline was investigated in a fixed fluidized bed microreactor over USY, REY and REHY.
以苯基三甲氧基硅烷为偶联剂对纳米MCM-41分子筛进行了有机改性，制备了苯基改性的纳米MCM-41分子筛MCM-41（m）。
Nanometer molecular sieve MCM-41 was modified by using phenyltrimethoxysilane as a coupling agent and phenylated nanometer molecular sieve MCM-41(m) was prepared.
采用液相沉积法研究了硅改性剂对择形分子筛的表面酸性和孔结构参数的影响。
The results showed that silica modification remarkably improved strong acidity of the zeolite and elaborately adjusted pore structure of the shape-selective zeolite.
并进一步展望了沸石分子筛吸附微生物组合来改善养殖水体底泥的可能性，沸石的活化、改性和复合工艺更将拓展沸石净化养殖水体能力。
The prospects of the researching and development of zeolite as molecular sieve to culture predominant beneficial bacteria group to improve the sediment property were put …
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。
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.
本发明所提供的催化剂由金属改性后的沸石分子筛再经硅氧烷基化合物修饰表面酸性和孔结构得到；
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;
采用液相沉积法研究了硅改性剂结合水热改性对择形分子筛的表面酸性和孔结构参数的影响。
The influences of silica deposition and hydrothermal treatment on surface acidity and pore diameter of ZSM-5 prepared by liquid deposition method were investigated.
采用液相沉积法研究了硅改性剂结合水热改性对择形分子筛的表面酸性和孔结构参数的影响。
The influences of silica deposition and hydrothermal treatment on surface acidity and pore diameter of ZSM-5 prepared by liquid deposition method were investigated.
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