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1)  low boiling catalyst
低沸点催化剂
2)  low boiling point solvent
低沸点溶剂
1.
The paper covers the technical parameter,production flow and the device about low boiling point solvent extraction technology.
文章介绍了低沸点溶剂技术的工艺参数,生产流程和装置,并对几种含有不同脂质成分的天然物料进行萃取研究。
3)  low boilingpoint solvent
低沸点溶剂
1.
In researching of dispersion process of the colour paper couplers, a new process of high temperature dissolving and high pressure homogenizing without low boilingpoint solvent was discovered .
新工艺既能大幅度降低低沸点溶剂对环境的污染又能较大幅度降低成本,具有明显的应 用价值。
2.
By researching of the colour paper couplers dispersion progress, we discovered a new progress by high temperature dissolving and high press homogenizing without low boilingpoint solvent .
新工艺既能大幅度降低低沸点溶剂对环境的污染又能较大幅度降低成本,具有明显的应用价值。
4)  zeolite catalyst
沸石催化剂
1.
Physical-chemical characteristics of zeolite catalyst liquid residue and its comprehensive utilization;
沸石催化剂液渣物化特征及其综合利用研究
2.
The main factors of influencing the synthesis of zeolite catalysts NaL and the catalytic mechanism are discussed,and the opimum process conditions are found out.
对影响合成NaL沸石催化剂的主要因素及其催化机理进行了探讨,找到了最佳工艺条件,得出了结论:NaL沸石在催化甲苯氯化反应时有极高的化学选择性;助剂无催化活性,只对具有选择催化性的沸石有助催化作用;带入反应体系的水是引起沸石催化剂失活的主要原因。
3.
The characters of zeolite catalysts, reaction course, effects of zeolite acidity and diffusion, and catalyst deactivation are summarized, and the present technical situations of ethylbenzene synthesis by catalytic distillation and from dry gas are introduced.
综述了近年来液相法乙苯合成催化剂和工艺的研究进展,主要对不同沸石催化剂的特点、烷基化反应历程、沸石酸性和扩散的影响及催化剂的失活进行了总结,并介绍了催化蒸馏合成乙苯工艺和干气制乙苯的研究现状。
5)  zeolite [英]['zi:əlait]  [美]['ziə,laɪt]
沸石催化剂
1.
Liquid-phase alkylation of benzene with ethylene over zeolite catalyst;
沸石催化剂上苯与乙烯液相烷基化反应的研究
2.
Liquid catalysts, solid acid cata lysts, macroreticular cation exchange resins, heteropolyacid, heteropolyacid sal t catalysts and zeolite were introduced.
综述了二甘醇环化脱水制 1,4 -二氧六环的催化剂研究进展 ,介绍了液体催化剂、固体酸催化剂、大孔阳离子交换树脂、杂多酸及杂多酸盐催化剂和沸石催化剂 ,同时给出了采用各种催化剂所达到的收率和选择
3.
The kinetics of alkylation of benzene with propylene over FX - 01 catalyst (a modified H β zeolite) was investigated in a slurry reactor, with internal and extenal diffusion resistance eliminated.
对FX-01沸石催化剂上苯与丙烯烷基化反应进行了研究,得出了气液固三相催化反应的本征动力学模型。
6)  zeolite catalysts
沸石催化剂
1.
The inter diffusion characteristics of benzene and isopropyl benzene in zeolite catalysts were studied by the simple and practical method.
采用简单实用的试验方法研究了苯和异丙苯在沸石内的交互扩散情况,通过测定不同时间点的扩散质的浓度,利用适宜的数学模型和最小二乘法关联出两种体系中各扩散质在沸石催化剂内的交互扩散系数。
2.
Three types of zeolite catalysts were studied in the synthesis of methanone cyclohexylphenyl using benzene to react with cyclohexyl acide.
考察了几种不同型号的沸石催化剂对苯与环己基甲酸反应合成环己基苯基甲酮的催化活性。
3.
The activity of zeolite catalysts were evaluated using a pressure microreactor.
用压力微反装置评价甲醇脱水生成二甲醚沸石催化剂的活性,用XRD、2400吸附仪和NH3-TPD研究沸石催化剂的结构及表面酸性。
补充资料:催化重整催化剂
分子式:
CAS号:

性质:使石油烃类分子结构重排所用的催化剂。由载体、金属组分和酸性组分构成。载体有氧化铝型、硅铝型和分子筛型(结晶型),常用的是氧化铝型。按金属组分有单胶型和加有第二种金属的双金属型(如铂-铼、铂-锡型等)或多金属型(如铂-铼-铝型、铂-铼-钛型等)酸性组分有氟-氯型和全氯型。目前这种催化剂有单铂、铂-铱、铂-铼、铂-锡四大系列。他们都具有双功能,既具有脱氢、加氢活性,又具有异构化、加氢裂化活性。前一功能一般由铂来承担,后一功能由载体或加到载体上酸性组分来承担。由于具有这两种功能,在重整反应中才能使甲基环戊烷异构脱氢转化成苯。

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