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 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 form of crystalline silicate identified as zeolite ZSM-5, to a new method for 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 new zeolite material designated EU-7 has a molar composition expressed by the formula:0.5 to 2.5 R.sub.2 O:Y.sub.2 O.sub.3 : at least 20 XO.sub.2 : 0 to 600 H.sub.2 Owherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray powder diffraction pattern substantially as set out in Table 1. The zeolite material is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and optionally an organic compound, most preferably butane-1,4-diamine.

Abstract: A new zeolite material designated EU-12 has a molar composition expressed by the formula: 0.5 to 2.0 R.sub.2 O: Y.sub.2 O.sub.3 : at least 5 XO.sub.2 : 0 to 1000 H.sub.2 O wherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray powder diffraction pattern substantially as set out in Table 1. The zeolite material is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and an organic compound, most preferably a tetramethylammonium compound.

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: This invention relates to a new and useful improvement in synthesizing crystalline ZSM-5 zeolite and to use of said zeolite prepared in accordance herewith as a catalyst for hydrocarbon conversions. The synthesis utilizes dimethylethylpropylammonium ion as the directing agent.

Abstract: A method for preparing a molecular sieving metallosilicate is disclosed which comprises(A) providing a mixture comprising: water; an oxide of silicon source; a mineralizing agent and/or synthesis directing agent; and a heteropolymetallate of the formulaA.sub.a L.sub.l M.sub.m J.sub.z O.sub.y .dH.sub.

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: A process for producing a crystalline zeolite TPZ-12, which comprises maintaining a starting mixture at a temperature of at least 80.degree. C. for a period sufficient to produce zeolite crystals, said starting mixture consisting of(a) a substance capable of yielding silica under the reaction conditions,(b) a water-soluble alkali metal compound,(c) water, and(d) a diammonium compound represented by the following general formula ##STR1## wherein R.sub.1 and R.sub.2 are identical or different and each represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, p and q are identical or different and each represents an integer of 4 or 5, n is 4, 5 or 6, and y represents an anion having a valence of m, and additionally, if desired,(e) a substance capable of yielding alumina under the reaction conditions,in the particular quantities.

Abstract: A stereo-differentiating catalyst containing Group VIII metal is prepared by contacting a Group VIII metal-containing acidic zeolite with an optically active amine. Methods are disclosed for utilizing the catalyst in hydrocarbon conversion processes, e.g., hydrogenation and hydroformylation.

Abstract: A composition for treating water to remove chloramine therefrom comprising a zeolite resin having a coating of sodium thiosulfate thereon and optionally having ascorbic acid and methylene blue included in the coating; a method for using the composition to remove chloramine in a single step comprising contacting the water to be treated with the composition.

Abstract: This invention relates to a new method for synthesis of zeolite Beta, to the zeolite Beta product of that new method and to use of said zeolite Beta prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion. In the disclosed method for preparing zeolite Beta a dibenzyl-1,4-diazabicyclo [2.2.2] octane compound is added to the synthesis reaction mixture.

Abstract: A novel method for preparing ZSM-12 utilizing diethyldimethylammonium cation in the forming solution.

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. In the disclosed method for preparing zeolite ZSM-12, a benzyltriethylammonium compound is added to the synthesis reaction mixture.

Abstract: A process is described for producing sulphuric acid from sulphur dioxide (SO.sub.2) wherein two fluid streams, in the form of a gaseous SO.sub.2 gas and oxygen (air), and a liquid, primary sulphuric acid and water, are contacted with each other and a catalyst assembly at a temperature in the range 150.degree. to 280.degree. C.

Abstract: A process for oligomerizing olefins in the liquid phase using a catalyst composition comprising a nickel-containing silicaceous crystalline molecular sieve catalyst and an hydrocarbyl-aluminum halide.

Abstract: Surface-active catalytic sites are deactivated on catalyst support materials wherein the catalyst comprises crystalline aluminosilicate or borosilicate molecular sieve catalytic compositions without deactivating all acidic sites of the molecular sieve. Resulting catalyst compositions are useful in dehydrogenating and/or isomerizing hydrocarbons.

Abstract: A crystalline zeolite, SSZ-13, is prepared from organic nitrogen-containing cations derived from 1-adamantamine, 3-quinuclidinol, and 2-exo-aminonorbornane,

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: A new zeolite material designated EU-1 having a molar composition expressed by the formula:0.5 to 1.5 R.sub.2 O:Y.sub.2 O.sub.3 : at least 10 XO.sub.2 :0 to 100 H.sub.2 Owherein R is a monovalent cation or .sup.1 /n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when R is H, and having an X-ray pattern substantially as set out in Tables 1 and 2 is prepared from a reaction mixture containing XO.sub.2 (preferably silica), Y.sub.2 O.sub.3 (preferably alumina) and a dicationic alkylated polymethylene diamine. The new zeolite is useful in catalytic processes, especially xylenes isomerization.

Abstract: A process for preparation of a transition metal component of a catalytic system for the polymerization of olefins, wherein an organo-magnesium-aluminum reaction product is formed by bringing into contact, a halogenated, alkylated or alkoxylated magnesium compound with an organo-aluminum compound, then subjecting the reaction product to a chlorination and to a treatment by a compound of a transition metal such as Ti, V, Zr and Cr.As an organo-aluminum compound there is used one or several aluminoxane compounds of the formula ##STR1## wherein R' is an alkyl or from C.sub.1 to C.sub.16, the R"s form together a radical --O-- or designate each a radical R' and n is an integer of from 0 to 20.The transition metal component obtained can be used in combination with a co-catalyst and eventually an electron donor to form a catalytic system apt to polymerize the alpha-olefins.

Abstract: A crystalline, silica platinum catalyst structure is provided by soaking a hydrophobic, high surface area, crystalline silica (SiO.sub.2) lattice essentially free of aluminum oxide in the SiO.sub.2 lattice, such as silicalite in an aqueous solution of Pt(NH.sub.3).sub.4 Cl.sub.2 and then, drying, reducing and cooling the crystalline silica to leave, catalyst crystallites of platinum on the crystalline silica and in the pores thereof, and then providing an outer, porous, membrane coating of high molecular weight, organic polytetrafluoroethylene, polymeric material on the coated crystallites. The platinized, crystalline silica may be slurried with, polytetrafluoroethylene and a ceramic support coated with the slurry, so that a water repellent, water vapor and hydrogen or oxygen gas permeable, polytetrafluoroethylene matrix is provided on the support with the platinized, crystalline silica dispersed in the matrix.

Abstract: An aluminosilicate catalyst for catalytic dehydration of alcohols into ether is prepared by the steps of (a) contacting a crystalline aluminosilicate at below 800.degree. C., preferably 320.degree.-800.degree. C., with a nitrogen-containing base, preferably ammonia or a lower alkyl amine such as n-butyl amine, to absorb as much as possible of the base; and (b) desorbing part of the absorbed base by passing a stream of an inert gas over the thus-treated aluminosilicate at a temperature of 320.degree.-800.degree. C., preferably 400.degree.-600.degree. C. In step (a) the aluminosilicate catalyst is deactivated and in step (b) it is selectively reactivated so that the catalyst catalyses the ether formation reaction almost as well as the untreated catalyst, whereas the catalytic activity for other reactions such as formation of hydrocarbons and formation of "coke" consisting of polymerizates and/or carbon is eliminated.

Abstract: A cracking catalyst used to crack oil to produce gasoline or higher-boiling hydrocarbon fuel is contacted with both (A) antimony or a compound thereof such as antimony tris(0,0-dipropyl phosphorodithioate) and (B) a modifying composition consisting essentially of carbon, hydrogen, nitrogen, and sulfur produced by the treatment of a metal salt of a dialkyl dithiocarbamate with a hydrolyzable germanium (IV) compound such as germanium tetrachloride, the contacting of the catalyst with (A) and (B) prior to, during, or after use of the catalyst in a cracking process being effective in precluding or reducing adverse effects of metals such as nickel, vanadium, and iron.

Abstract: A method of incorporating metals onto a crystalline aluminosilicate zeolite support comprises first depositing a metal which forms bonds with the zeolite and subsequently depositing a catalytically active metal into the zeolite which becomes associated with the first metal. The catalytically active metals may be introduced by decomposition of an organometallic complex which contains pi-electron donating ligands.

Abstract: A synthetic zeolite material, designated zeolite EU-4, having a molar composition expressed by the formula:O to M.sub.2 O:aY.sub.2 O.sub.3 :at least 100 XO.sub.2 :0 to 35 H.sub.2 Owherein M is a monovalent cation or 1/n of a cation of valency n, a is from 0 to 9, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, arsenic, antimony, manganese, gallium or boron, and H.sub.2 O is water of hydration additional to water notionally present when M is H, and having a defined X-ray diffraction pattern is prepared from an aqueous reaction mixture containing the oxide XO.sub.2, optionally the oxide Y.sub.2 O.sub.3 and an alkyltrimethylammonium or dialkyldimethylammonium compound.Zeolite EU-4 is a useful catalyst for methanol conversion and the like.

Abstract: Alkali metal silicates and zeolites can be agglomerated to form granules that are of particular value in detergents. These agglomerates are formed when hydrated alkali metal silicate particles are tumbled with hydrated zeolites of small particle size while moisture and then heat are introduced to achieve granulation. The product is a free-flowing granular material has numerous desirable characteristics for detergents.

Abstract: An attrition resistant molecular sieve composition comprising a generally spherical, high porosity molecular sieve particle having an exposed surface coated with a thin, generally uniform layer of solid lubricant which can be employed in fixed, moving or fluidized beds with low attrition and without significantly reduced activity.

Abstract: A process for synthetizing mordenites having a high catalytic activity, in which the SiO.sub.2 :Al.sub.2 O.sub.3 molar ratio ranges from 16 to 40, said process comprising the step of mixing an organic base with H.sub.2 O and with at least a Na compound, an Al compound, and a Si compound, wherein said base is a diethyl-piperidinium compound and wherein the crystallization temperature of mordenite and the SP factor are selected within area A B C D of FIG. 1, the crystallization time being longer than two days.

Abstract: A hormite inclusion complex which comprises hormite having adsorbed and/or supported thereon at least one member selected from the group consisting of s sulphur and a sulphur-donating agent.The hormite inclusion complex is for example used in the vulcanization of rubber, there are entirely eliminated the scorching and bloom phenomena which have often been encountered in the utilization of sulphur or sulphur-donating agent alone according to the conventional procedures.

Abstract: A crystalline silicaceous material, referred to as zeolite SSZ-19 or SSZ-19, having the characteristic X-ray diffraction lines of Table I is prepared with a reaction mixture containing an organic template component which can be a cycloalkyl trimethylammonium compound, a 1-azoniaspiroalkyl compound, a 1-azoniabicyclo [2.2.2] octane lower alkyl compound, or a 2,2-methyl lower alkyl trimethylammonium compound. The products are useful as catalysts and adsorbents.

Abstract: A crystalline zeolite, SSZ-16, is prepared from organic nitrogen-containing species derived from 1,4-di(1-azoniabicyclo[2.2.2]octane) lower alkane compounds.

Abstract: A composition containing thiolate for the removal of heavy metal ions from dilute aqueous solutions, characterized in that the composition is a sorption complex of a thiolate with two or more -SMe- groups (wherein Me represents alkali or ammonium) with a swellable silicate, whose ion exchange capacity is 5-350 milliequivalents/100 g. The composition is suspended in the aqueous medium to be purified and separated off after the absorption of the heavy metal ions from the aqueous solution. The heavy metals can be recovered in known ways.

Abstract: A process for passivating metals in a cracking operation comprising treating the cracking catalyst with antimony tris(hydroxyhydrocarbylthiolate).

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 silica to alumina molar ratio of at least 8. This synthetic zeolite is analogous, in some respects, to the naturally occurring zeolite, levynite. The ZSM-45 zeolite is prepared with a dimethyldiethylammonium directing agent. ZSM-45 exhibits a characteristic X-ray diffraction pattern.

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: Molecular sieves, particularly zeolites, of intermediate pore size are prepared using imidazole derivatives as templates.

Abstract: Isomerization of xylene in admixture with ethylbenzene by contact with a zeolite catalyst such as ZSM-5 is improved by use of a zeolite having a catalyst particle size of at least 1 micron and having incorporated thereon two metals such as platinum and magnesium.

Abstract: The present invention relates to a new method for preparing a composition comprised of a crystalline zeolite having deposited thereon a coating of silica which extensively covers and resides substantially exclusively on the external surface thereof, and to the composition so prepared.

Abstract: A method of incorporating metals onto a crystalline aluminosilicate zeolite support comprises first depositing a metal which forms bonds with the zeolite and subsequently depositing a catalytically active metal into the zeolite which becomes associated with the first metal. Both metals may be introduced by decomposition of organometallic complexes such as allyl complexes.

Abstract: A method is provided for treating modified ZSM-5 type zeolite catalysts with a vapor phase organophosphorus reagent such as trimethylphosphite or dimethylmethylphosphonate in order to improve the para-selective properties of such catalysts for the conversion of aromatic materials. The modified zeolites so treated are those which contain a minor proportion of a difficultly reducible oxide such as magnesium oxide, calcium oxide and/or phosphorus oxide. Such catalyst compositions can be used in alkylation, transalkylation or disproportionation processes to provide alkylated aromatic product mixtures having exceptionally high concentrations of the para-dialkylbenzene isomer.

Abstract: The invention is directed to a process for the production of zeolites of the type Na A4 having the surface modified with organosilanes. The organosilane must have at least one alkoxy group bonded to the silicon atom. The modified zeolites of the invention are used in washing and cleansing agents.

Abstract: A method is described for producing a surface modified catalytically active zeolite which method comprises chemically modifying a zeolite by reaction, under dry, anhydrous conditions, with an organosilane wherein the starting zeolite has some sites available for reacting with the organosilane and some protected sites which are prevented from reacting with said organosilane which remain to be the catalytically active sites. The organosilane chosen should be capable of entering into the channels of the zeolite and chemically reacting with the available sites present therein, as well as reacting with the available hydroxyl groups present on the external surface of said zeolite.

Abstract: Zeolite supported, organometallic derived catalyst compositions are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Organotitanium and organochromium compounds such as tributylchromium and tetrabutyltitanium are reacted with ZSM-5 type zeolites to produce such novel catalysts.

Abstract: Heterocatalyst systems wherein a metal complex is reacted with an --OH group that is in a zeolite or molecular sieve pore, aperture, channel, cavity or cage; improved carbonylation and hydrogenation catalysts, as well as catalysts for Fischer-Tropsch reactions are disclosed; rhodium reaction product with an --OH group within a type 13X or 13Y zeolite cage is a typical catalyst.

Abstract: This invention is concerned with production and use of high surface area particulate matter by calcining a charge of clay mineral, feldspar, zeolite, coal ash, fly ash, pozzolan or volcanic ash for a time to develop fractures which increase the surface area of the particles. Vacuum calcining decreases the calcining time. The calcined matter desirably has an analysis including: calcium oxide, about 20-40 weight %; aluminum oxide, about 15-35 weight %; and silicon oxide, about 20-40 weight %.The calcined particulate matter can be used in the treatment of impure aqueous materials; the matter is denser than water and sludge settles rapidly and completely. The calcined matter interacts with heavy metal ions to form tightly bound sludge that is nonhazardous for landfill disposal. The calcined matter can be combined with conventual coagulants, flocculants, filter aids, or activated carbon to obtain a multipurpose treating agent.

Abstract: Para-xylene may be recovered as raffinate by contacting a C-8 aromatic hydrocarbon mixture, in the presence of toluene desorbent, with a synthetic crystalline sodium aluminosilicate zeolite HP, containing pyridine in amount of at least about 3.3 wt. % of said zeolite, having a lattice constant of 25.02-25.10.ANG..