Abstract: This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-48, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-35, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: A novel crystalline zeolite identified as zeolite ZSM-51 and its method of preparation is disclosed. The use of the material as a catalyst is also disclosed.

Abstract: There is provided a method and a reaction mixture for preparing the zeolite, Dodecasil-1H, with a methylazabicyclononanium directing agent. There is also provided the Dodecasil-1H zeolite in as-synthesized form prepared by this method.

Abstract: An improved process for preparing ZSM-5 zeolite, and a product thereof, is disclosed. The process uses an organic anionic directing agent of the formula ##STR1## wherein A is a cation having a valence m, R' is an inorganic or an organic acid moiety, and R" is a linear or branched aliphatic, aromatic or alkyl aromatic group. The ZSM-5 zeolite is synthesized at the SiO.sub.2 /Al.sub.2 O.sub.3 molar ratios of 30 to 1000.

Abstract: This invention relates to a method for preparing a synthetic porous crystalline aluminosilicate zeolite, characterized as zeolite ZSM-45. This crystalline material may have a molar ratio of silica to alumina of at least 8. This synthetic zeolite is analogous, in some respects, to the naturally occuring zeolite, levynite. The ZSM-45 zeolite is prepared with a cobalticinium directing agent. ZSM-45 exhibits a characteristic X-ray diffraction pattern.

Abstract: This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: There is disclosed an organic cation R.sup.+, designated Diquat-7, having the formula:(CH.sub.3).sub.3 --N.sup.+ --R.sub.1 --N.sup.+ --(CH.sub.3).sub.3wherein R.sub.1 is a saturated or unsaturated straight chain hydrocarbon group containing seven carbon atoms. There is also disclosed a method of preparing Diquat-7, and salts and hydroxide thereof.

Abstract: A series of transition metal complexes, having stability at relatively high pH, have been utilized as templates for the synthesis of mordenite type zeolites.

Abstract: An improved method of synthesizing ZSM-23 zeolitic material is disclosed and claimed. The method comprises preparing a reaction mixture which comprises sources of an alkali metal, an oxide of aluminum (Al.sub.2 O.sub.3), an oxide of silicon (SiO.sub.2), water and a nitrogen-containing organic cation R.sup.+, and having the following composition, in terms of mole ratios:______________________________________ Broad Preferred ______________________________________ SiO.sub.2 /Al.sub.2 O.sub.3 40 to 5000 50 to 2000 H.sub.2 O/SiO.sub.2 5 to 200 20 to 100 OH.sup.- /SiO.sub.2 0 to 0.60 0.10 to 0.40 M.sup.+ SiO.sub.2 0.01 to 2.0 0.10 to 1.0 R.sup.+ /SiO.sub.2 0.01 to 2.0 0.05 to 1.0 ______________________________________wherein M.sup.+ is a cation of an alkali or alkaline earth metal and R.sup.+ is an organic cation of the formula (CH.sub.3).sub.3 N.sup.+ --R.sub.1 --N.sup.+ (CH.sub.3).sub.3 wherein R.sub.

Abstract: An improved process for preparing ZSM-22 zeolite is disclosed and claimed. The process comprises preparing a reaction mixture comprised of sources of an alkali or alkaline earth metal, alumina, silica, organic promoter and water, and having the following composition, in terms of mole ratios of oxides:SiO.sub.2 /Al.sub.2 O.sub.3 =20 to .infin.H.sub.2 O/SiO.sub.2 =10 to 100OH.sup.- /SiO.sub.2 =0 to 1.0M.sup.+ /SiO.sub.2 =0 to 2.0RN/SiO.sub.2 =0.01 to 2.0wherein RN is a functional group of a heterocyclic organic compound containing one or more four (4) to ten (10) member, saturated or unsaturated, non-fused rings, wherein the hetero atoms are the same or different, and they are oxygen, phosphorus or nitrogen, an alkyl and/or alkene derivative of the heterocyclic organic compound, wherein the alkyl and/or alkene groups contain one (1) to ten (10) carbon atoms, or an organic or inorganic salt of the heterocyclic organic compound or its alkyl or alkene derivative, and M is an alkali or alkaline earth metal, e.g.

Abstract: A process for converting methanol and/or dimethyl ether to olefins at moderate temperature and atmospheric pressure comprising contacting the feed with an alumina crystalline zeolite catalyst designated as ZSM-48. The olefins formed can then be converted to a low-durene gasoline over ZSM-5 type catalysts under conventional aromatizing conditions or to a distillate boiling above the gasoline range.

Abstract: A new porous silico-crystal, a method of making same and the use thereof in catalytic conversion of organic compounds. The new product has a composition, expressed in terms of moles of anhydrous oxides per 100 moles of silica as follows:(0 to 15)RN : (0 to 1.5)M.sub.2/n O : (0-2)Al.sub.2 O.sub.3 : (100)SiO.sub.2wherein M is at least one cation having a valence n, RN is a C.sub.1 -C.sub.20 organic compound, having at least one amine functional group of pK.sub.a .gtoreq.7 and wherein the zeolite is characterized by the distinctive X-ray powder diffraction pattern shown in Table I. The new silico-crystal is prepared from a reaction mixture comprising a source of silica, C.sub.1 -C.sub.20 organic compounds, as defined above, with or without a source of alumina, and water.

Abstract: A series of transition metal complexes, having stability at relatively high pH, have been utilized as templates for the synthesis of ZSM-5 type zeolites.

Abstract: A continuous-stream zeolite crystallization apparatus comprising a combination of a tubular reactor, a central stirring element contained therein, ingress and egress means for the reactor for charging crystalline zeolite forming reactants therein and recovering crystallized zeolites therefrom, respectively, recovery vessels for collecting and processing crystallized zeolites continuously, the reactor and recovery vessels optionally being subjected to a controlled pressure system.

Abstract: A down-flow apparatus for continuous crystallization of zeolites comprises a vertically-positioned reactor having at least one reactor inlet port at the top thereof and at least one product egress port at the bottom thereof. The reactor is equipped with an inside stirrer extending throughout the length of the reactor and with heating means surrounding the reactor. Product and spent liquids are collected into one or more product collectors at the bottom of the reactor wherein spent liquids are decanted from the crystalline product settling to the bottom. The entire assembly is pressurized with an inert gas, e.g., air, nitrogen, helium (He), to prevent water boiling at the reaction temperature.

Abstract: A method of preparing zeolite ZSM-5 type crystals and mixtures thereof which comprises crystallizing the substantially pure zeolite material from a silica and, optionally, alumina gel mixture in the presence of an alkylammonium-N-oxide cation, and the products produced thereby.

Abstract: A process for manufacturing synthetic mordenite in which the shape or other feature of the microscopic mordenite crystals is controlled by including an organic basic nitrogen compound in the forming solution.

Abstract: A process for manufacturing synthetic nitrogenous zeolites such as ZSM-5 in which the shape or some other feature of the microscopic crystals is controlled by including in the forming solution an organic basic nitrogen compound in addition to the organic nitrogenous template.