摘要:
The present invention relates to a composition and a method for preparing ZSM-48 exhibiting an X-ray pattern having values as set forth in Table 1 of the specification. The method of the present invention includes (a) preparing a reaction mixture; and (b) maintaining the mixture under crystallization conditions until crystals of the ZSM-48 are formed. The mixture includes a source of silica, a source of trivalent metal oxide, an alkali metal oxide, ethylenediamine and water. The mixture, in terms of mole ratios of oxides, has the following composition ranges:SiO.sub.2 /Me.sub.2 O.sub.3 : 100 to 1500,M.sub.2/n O/SiO.sub.2 : 0 to 0.2,RN/SiO.sub.2 : 2.0 to 5.0,OH.sup.- /SiO.sub.2 : 0 to 0.3, andH.sub.2 O/SiO.sub.2 : 10 to 100,wherein Me is a trivalent metal, M is an alkali metal and RN is ethylenediamine.
摘要翻译:本发明涉及一种制备ZSM-48的组合物和方法,该ZSM-48具有如本说明书的表1中所列的值的X射线图案。 本发明的方法包括(a)制备反应混合物; 和(b)将混合物保持在结晶条件下,直到形成ZSM-48的晶体。 该混合物包括二氧化硅源,三价金属氧化物源,碱金属氧化物,乙二胺和水。 该混合物以氧化物的摩尔比计具有以下组成范围:SiO 2 / Me 2 O 3:100至1500,M 2 / nO / SiO 2:0至0.2,RN / SiO 2:2.0至5.0 OH- / SiO 2:0至 0.3,H 2 O / SiO 2:10〜100,其中Me为三价金属,M为碱金属,RN为乙二胺。
摘要:
This invention relates to a new synthetic crystalline material comprising acidic surface silanol groups, designated MCM-69, a method for its preparation and use thereof in catalytic conversion of organic compounds.
摘要:
High activity ZSM-5 and ZSM-11, with alpha values of 1000 to 3500, are produced by synthesis from a reaction mixture containing an organic directing agent selected from a non-cyclic amine having the formula (C2H6N)nNmHq wherein n is 1, 2 or 3; m is 0 or 1; q is 0, 1 or 2 and (n+m+q) is either 2 or 4.
摘要翻译:通过从含有选自具有式(C2H6N)nNmHq的非环状胺的有机导向剂的反应混合物合成制备高活性ZSM-5和ZSM-11,α值为1000至3500,其中n为1, 2或3; m为0或1; q为0,1或2,(n + m + q)为2或4。
摘要:
The present invention is directed to a large-pore aluminosilicate molecular sieve comprising alumina and silica, where the ratio of SiO2/Al2O3 ranges from about 75 to 600, and its method of preparation. The large-pore aluminosilicate molecular sieve of the present invention has the ability to catalyze reactions involving particularly bulky transition states or large molecules.
摘要翻译:本发明涉及包含氧化铝和二氧化硅的大孔硅铝酸盐分子筛,其中SiO 2 / Al 2 O 3的比例为约75至600,及其制备方法。 本发明的大孔硅铝酸盐分子筛具有催化涉及特别庞大的过渡态或大分子的反应的能力。
摘要:
The invention provides a method for synthesizing a porous inorganic solid comprising the steps of: (a) forming a reaction mixture containing water, an alumina source, a silica source, an alkali metal oxide source, and a diquaternary ammonium salt having the formula: ##STR1## wherein R is a diamondoid group, n is from about 1 to about 50, and X is an anion which is not detrimental to the formation of said porous inorganic solid; and(b) recovering a porous inorganic solid from said reaction mixture.
摘要:
This invention relates to an efficient process for shape-selective conversion of organic feedstock with a catalyst comprising a Clathrate Group tectosilicate such as ZSM-39 and a highly siliceous, shape selective zeolite such as ZSM-5. In one embodiment, a stabilized, dewaxed lube stock is prepared by catalytically dewaxing a hydrocrackate.
摘要:
A material exhibiting third order nonlinear optic properties includes quantum size clusters of semiconducting guest material incorporated into the pores of M41S material in an arrangement to provide nonlinear optic properties.A material exhibiting second order nonlinear optic properties includes an organic guest material incorporated into the pores of M41S material so that a non-centrosymmetric structure is formed which will provide second harmonic generation when subjected to electromagnetic radiation of a selected frequency.
摘要:
This invention relates to a new crystalline composition MCM-40, to a method for synthesizing said crystalline composition using diaminocyclohexane as a directing agent and to use of said crystalline composition as a catalyst component for organic compound, e.g. hydrocarbon compound, conversion.