Abstract: A process for coating zeolite crystals with paraffin, a wax other than paraffin, a fat or oil, or a mixture of at least one QAC and a wax, fat, or oil. Preferably, the crystals are dehydrated until they have about 5% moisture content, and are then mixed with paraffin to produce paraffin-coated zeolite crystals having a desired content of paraffin. When the coated zeolite crystals are used for removing benzene from contaminated water, their paraffin content is preferably about 8% (by weight). Other embodiments are methods for using zeolite coated with paraffin, another wax, a fat, an oil, or a mixture of at least one QAC and a wax, fat, or oil to filter a contaminant from contaminated liquid or gas. The zeolite crystals are optionally impregnated with a chemical such as permanganate before they are coated with the desired wax, fat, oil or mixture. A zeolite crystal having pores coated with wax, fat, oil, or a mixture of at least one QAC and wax, fat, or oil is within the scope of the invention.

Abstract: Analyst for polymerization of olefin is provided which comprises a clay mineral (a) having been modified with a compound (b) capable of introducing a cation into layer interspaces in the clay mineral; a metallocene compound (c); and an organoaluminum compound (d). This catalyst is inexpensive and yet has excellent activity for polymerization of olefin. The process for polymerization or copolymerization of olefins is also provided.

Abstract: A high silica zeolite (UTD-1) using bis(pentamethyl-cyclopentadienyl)cobalt(III) hydroxide, Cp*.sub.2 CoOH is disclosed. UTD-1 is a large pore molecular sieve having one dimensional channels running in parallel. The synthesis and characterization of silicates incorporating titanium, vanadium, aluminum or boron in the silicate framework is described. Calcined Ti-UTD-1 containing cobalt oxide and the cobalt free molecular sieves are shown to be effective oxidation catalysts. Oxidation of alkanes with hydrogen peroxide and t-butylhydroperoxide (t-BHP) and the room temperature oxidation of cyclohexane to adipic acid are demonstrated.

Abstract: Process for the epoxidation of olefins with oxygen and/or air and a redox system, in the presence of titanium silicalite, characterized in that the redox system is selected from:1) quinone/hydroquinone derivatives having the general formula (Ia) and (Ib) ##STR1## 2) acetophenone/1-phenyl ethanol derivatives having the general formula (IIa) and (IIb) ##STR2##

Abstract: Crystalline zeolites are prepared using a small quantity of an organic templating compound and a larger quantity of an amine component containing at least one amine having from one to eight carbon atoms, ammonium hydroxide, or mixtures thereof.

Abstract: High potassium zeolite A particles are used to overcome problems of zeolite degassing (and/or undesired gas adsorption/desorption), especially when loaded into organic matrices. The zeolite A particles preferably have a potassium content (measured as K.sub.2 O) of at least about 14 wt. %, more preferably 15-25 wt. %. Compositions containing the high potassium zeolite A in an organic matrix may be especially suitable for use in insulating glass window spacer applications. The high potassium zeolite A may also be used in other conventional desiccant forms.

Abstract: The present invention relates to new crystalline zeolite SSZ-42 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using an organic templating agent selected from the group consisting of N-benzyl-1,4-diazabicyclo?2.2.2!octane cations and N-benzyl-1-azabicyclo?2.2.2!octane cations.

Abstract: Quaternary ammonium compositions are described which are made using diluents including soya bean oil, caster oil, mineral oils, isoparaffin/naphthenic and coconut oil. Such diluents remain as diluents in the final product and generally have a vapor pressure of 1 mm of Hg or less at 25.degree. C., and are liquid at ambient temperature. The quaternary/ammonium diluent compositions have low volatile organic compound emission rates and high flash points, and can be tailored to particular applications. Such applications include use a fabric softeners, cosmetics ingredients, deinking additives, surfactants, and reaction materials in the manufacture of organoclays.

Abstract: An quaternary phosphonium ion-exchanged clay and method of removing organic contaminants from air and/or water, by contacting the contaminants in the air or water with a quaternary phosphonium organo-clay. The clay is prepared by ion-exchange of an ion-exchangeable clay with (a) tetra-short chain alkyl (C.sub.1 -C.sub.4) quaternary phosphonium ion or (b) a di- or tri-short chain alkyl (C.sub.1 -C.sub.4) quaternary phosphonium ion having 1 or 2 mono-substituted or unsubstituted cycloakyl moieties, or one or two alkaryl moieties for removing air-laden and water-laden organic contaminants. The new organo-clays and methods are particularly adapted for removal of aromatic petroleum-based contaminants from water, such as benzene; alkyl-benzenes, such as toluene; xylenes (o-, m- and p-isomers); and chlorinated 1 and 2 carbon compounds, such as CCl.sub.4.

Abstract: The invention concerns new oxidation catalysts, methods of producing them and their use. These catalysts consist of titanium silicalites crystallized in situ onto activated charcoal or metal oxides. The titanium silicalite content lies preferably in the range of 30 to 60% by wt. The atomic ratio of Si to Ti in the carrier-borne phase is 10 to 100. Such catalysts are particularly suitable for oxidation reactions with H.sub.2 O.sub.2 under mild conditions, such as temperatures of 20.degree. to 120.degree. C. and pressures equal to or higher than atmospheric.

Abstract: A porous clay heterostructure of a 2:1 layered silicate prepared by a gallery templated synthesis method is described. The method uses an inorganic oxide, a neutral amine surfactant and a quaternary onium ion surfactant in the galleries of the 2:1 layered silicate. The structure is then calcined to remove the surfactants which act as a template to produce the porous clay heterostructure. The structure is useful for cracking catalysts, molecular sieves and adsorbents.

Abstract: A body made up of substantially continuous high strength multicellular support having porous cell walls, and pores in the cell walls having an average pore diameter of which have active material embedded therein, and an outer surface. The body is made of material which can be ceramics, glass, glass-ceramic, cermet, metal, oxides, and combinations of these. The active material can be molecular sieve, activated carbon, and combinations these. A method for producing a pore-impregnated body which involves providing the substrate having a wall porosity greater than about 45% by volume, and an average pore diameter of about 15 to 30 micrometers, providing a slurry of active material dispersed in a medium, contacting the support with the slurry at subatmospheric pressure to substantially fill the open pores of the substrate with the active material, removing excess slurry from the outer surface and the non-pore surfaces of the cell walls, followed by drying.

Abstract: The present invention relates to a process for preparing medium pore size zeolites using small, neutral amines capable of forming the zeolite, the amine containing (a) only carbon, nitrogen and hydrogen atoms, (b) one primary, secondary or tertiary, but not quaternary, amino group, and (c) a tertiary nitrogen atom, at least one tertiary carbon atom, or a nitrogen atom bonded directly to at least one secondary carbon atom, wherein the process is conducted in the absence of a quaternary ammonium compound.

Abstract: The present invention relates to a process for preparing zeolites having the MTT crystal structure, such as zeolites SSZ-32 and ZSM-23, using small, neutral amines capable of forming the zeolite, the amine containing (a) only carbon, nitrogen and hydrogen atoms, (b) one primary, secondary or tertiary, but not quaternary, amino group, and (c) a tertiary nitrogen atom, at least one tertiary carbon atom, or a nitrogen atom bonded directly to at least one secondary carbon atom (such as isobutylamine, diisobutylamine, diisopropylamine or trimethylamine), wherein the process is conducted in the absence of a quaternary ammonium compound.

Abstract: A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The radiation transorber also imparts light-stability to the colorant so that the colorant does not fade when exposed to sunlight or artificial light.

Abstract: The subject invention describes a synthetic crystalline aluminosilicate of the pentasil type and method for using the same as a catalyst or a catalyst component in petrochemical processes for the catalytic conversion of hydrocarbons and their derivatives into useful organic compounds and intermediates.

Abstract: A method of generating reactive species which includes exposing a polymolecular photoreactor to radiation, in which the polymolecular photoreactor comprises a wavelength-specific sensitizer associated with a reactive species-generating photoinitiator. The sensitizer absorbs energy and transfers the absorbed energy to the photoinitiator which, in turn, generates reactive species. The wavelength-specific sensitizer is adapted to have an absorption wavelength band generally corresponding to an emission peak of the radiation. The radiation to which the polymolecular photoreactor is exposed generally will have a wavelength of from about 4 to about 1,000 nanometers. Thus, the radiation may be ultraviolet radiation, including near ultraviolet and far or vacuum ultraviolet radiation: visible radiation: and near infrared radiation. Desirably, the radiation will have a wavelength of from about 100 to about 900 nanometers.

Abstract: The present invention relates to new crystalline zeolite SSZ-42 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using an organic templating agent selected from the group consisting of N-benzyl-1,4-diazabicyclo[2.2.2]octane cations and N-benzyl-1-azabicyclo[2.2.2]octane cations.

Abstract: The present invention relates to a process for preparing the zeolite ZSM-11 using 3,5-dimethylpiperidinium compounds as an organic templating agent, and to the zeolite ZSM-11 in the pure phase form.

Abstract: A crystalline zeolite high-silica SSZ-37 is prepared using a N,N-dimethyl-4-azoniatricyclo [5.2.2.0.sup.(2,6) ] undec-8-ene cation as a template wherein said zeolite is used in hydrocarbon conversion processes.

Abstract: A method of making a catalyst, catalyst support or adsorbing structure which involves forming a mixture of raw material which can be ceramic and/or molecular sieve, silicone resin permanent binder, dibasic ester as a solvent for the silicone resin, organic binder of cellulose ether, and/or derivatives thereof, and water, shaping the mixture into a green body which is then dried and heated to develop strength and form the catalyst, catalyst support, or adsorber.

Abstract: An interlayer cross-linked clay used in a hydrothermal reaction is enabled to remain stable in the hydrothermal treatment by forming a suspension of the interlayer cross-linked clay in combination with an organic compound. The interlayer cross-linked clay used in the hydrothermal reaction under these conditions has carbon deposited on the pillars of the clay and remains stable when it is used in other hydrothermal reactions.

Abstract: The present invention relates to new crystalline zeolite SSZ-41 which comprises oxides of (1) silicon or a mixture of silicon and germanium, and (2) zinc, said zinc being present in an amount from about 2 wt % to about 5 wt % of zinc metal based on the total weight of metals in said zeolite. Zeolite SSZ-41 may also optionally contain oxides of aluminum, iron, gallium or mixtures thereof. Zeolite SSZ-41 has the X-ray diffraction lines of Table I and has an argon adsorption capacity of at least about 0.06 g/g argon at 87.degree. K. Also disclosed are methods of making and using zeolite SSZ-41.

Abstract: An organically modified clay comprises a smectite clay of the type having exchangeable, inorganic, cationic species therein, in which at least a portion of the inorganic cationic species have been substituted by a mixture of organic cations comprising X.sub.2 R.sub.2 N.sup.+ and XYR.sub.2 N.sup.+, wherein X is methyl, Y is benzyl and R is saturated alkyl. Also disclosed is a method for the fabrication of the modified clay.

Abstract: Crystalline molecular sieves useful as colorants contain one or more chromophores of the class of the mono- or polyazo dyes that are devoid of acidic groups.

Abstract: Methods for using amino acid as a directing agent in zeolite synthesis are disclosed comprising the steps of:(a) forming a reaction mixture containing water, an alumina source, a silica source, an alkali metal oxide source, and an amino acid as an exterior directing agent; and(b) recovering a porous inorganic solid from said reaction mixture of step (a).

Abstract: A method of treating a water-swellable clay after the clay has been mined and dried to improve its properties when in contact with contaminated water. After the common initial drying of the clay to a moisture content of 12% by weight or less, the clay is impregnated with an aqueous solution containing a dissolved, water-soluble polymer, in an amount of at least about 0.5% by weight based on the dry weight of the clay, and the clay is wetted to a moisture content of more than 12% by weight, preferably at least about 15% or more, based on the dry weight of the clay, and then redried to a moisture content of 12% by weight or less, based on the dry weight of the clay.

Abstract: A zeolite composition CIT-1 is provided, the composition having a mole ratio greater than about 20:1 of a first oxide selected from silicon oxide, germanium oxide, or mixtures thereof to a second oxide comprising boron oxide; which zeolite composition has a specific X-ray powder diffraction pattern in accordance with Table 1 of the disclosure. In one embodiment, the second oxide may comprise mixtures of boron oxide with one or more of aluminum oxide, gallium oxide, iron oxide, titanium oxide and vanadium oxide. Also disclosed is a method for making CIT-1 zeolites comprising the preparation of an aqueous mixture containing sources of a N,N,N-trimethyl cis-myrtanyl ammonium ion, boron oxide or mixtures of boron oxide with one or more of aluminum oxide, gallium oxide, iron oxide, titanium oxide and vanadium oxide, and an oxide selected from silicon oxide, germanium oxide, and mixtures thereof. The mixture is maintained under sufficient crystallization conditions, preferably at a temperature of at least 100.

Abstract: The synthesis and characterization of novel molecular sieves containing bis(pentamethylcyclopentadienyl) cobalt(III) ion are described. Several types of molecular sieves were prepared using the cobalt metal complex as a template that was shown to be incorporated as a guest molecule within the molecular sieve. Molecular sieves prepared using bis(pentamethylcyclopentadienyl) cobalt(III) ion as template were characterized as having a pore size at least as large as 7 .ANG.. Other molecular sieves were also prepared using bis(cyclopentadienyl) cobalt(III) templates. The compounds are attractive as catalysts in a wide range of applications.

Abstract: An ex situ selectivated catalytic molecular sieve for enhanced shape selective hydrocarbon conversions in which a catalytic molecular sieve is modified by being exposed to at least two selectivation sequences, each sequence including an impregnation of the molecular sieve with a selectivating agent and a subsequent calcination of the impregnated molecular sieve. The ex situ selectivation method is also described, including the use of low volatility organic carriers for the selectivating agent. Also, a method for moderate steaming of the ex situ selectivated molecular sieve. Also a method for in situ trim-selectivating the ex situ selectivated catalytic molecular sieve. Also described is the process for shape selective hydrocarbon conversion comprising contacting a hydrocarbon feedstream under conversion conditions with the modified catalytic molecular sieve.

Abstract: An exhaust gas purifying catalyst is characterized in that at least one kind of catalyst metal is loaded on a layered porous silica or a layered porous silica-metal oxide. The exhaust gas purifying catalyst is used as an oxidation catalyst for purifying hydrocarbon and carbon monoxide, or a reduction catalyst for purifying nitrogen oxides (NO.sub.x), which is suitable for purifying exhaust gases in automobiles. An exhaust gas purifying apparatus includes the above exhaust gas purifying catalyst and an absorbent for trapping hydrocarbon components, in which aromatic HC such as trimethylbenzene and the like are effectively trapped.

Abstract: This invention relates to a new method for synthesis of porous crystalline material designated MCM-58. The crystalline MCM-58 product of the present method exhibits a distinctive X-ray diffraction pattern.

Abstract: This invention relates to a new synthetic porous crystalline material, designated MCM-58, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.

Abstract: Molecular sieves, particularly zeolites, are prepared using heterobridged aza-polycyclic templates. The templates may be prepared in a series of reaction steps which include a Diels-Alder reaction between a diene and a dienophile.

Abstract: This invention relates to a treated pillared clay made by the process comprising the steps of:(A) contacting at least one clay with an effective amount of at least one ammonium ion source to exchange sodium and/or calcium ions in said clay for ammonium ions to provide an ammonium-containing clay, said clay comprising metal oxides and hydroxides and having a lamellar structure with lamellar layers and interlamellar spaces disposed between the lamellar layers and exchangeable sodium and/or calcium ions occupying said interlamellar spaces;(B) contacting said ammonium-containing clay with an effective amount of at least one source of fluorine to replace at least part of the hydroxyl groups in said clay with fluorine to provide a fluorine- and ammonium-containing clay;(C) contacting said fluorine- and ammonium-containing clay with an effective amount of at least one pillaring agent to form a fluorine-containing pillared clay; and(D) contacting said fluorine-containing pillared clay with an effective amount of at l

Abstract: A method of treating a water-swellable clay after the clay has been mined and dried to improve its properties when in contact with contaminated water. After the common initial drying of the clay to a moisture content of 12% by weight or less, the clay is impregnated with an aqueous solution containing a dissolved, water-soluble polymer, in an amount of at least about 0.5% by weight based on the dry weight of the clay, and the clay is wetted to a moisture content of more than 12% by weight, preferably at least about 15% or more, based on the dry weight of the clay, and then redried to a moisture content of 12% by weight or less, based on the dry weight of the clay.

Abstract: Synthetic crystalline aluminosilicate of the pentasil type and method for using the same as catalysts or catalyst components in petrochemical processes for the catalytic conversion of hydrocarbons and their derivatives into useful organic compounds and intermediates.

Abstract: A ex situ selectivated catalytic molecular sieve for enhanced shape selective hydrocarbon conversions in which a catalytic molecular sieve is modified by being exposed to at least two selectivation sequences, each sequence including an impregnation of the molecular sieve with a selectivating agent and a subsequent calcination of the impregnated molecular sieve. The ex situ selectivation method is also described, including the use of aqueous carriers for the selecting agent. Also a method for in situ trim-selectivating the modified catalytic molecular sieve. Also, a method for moderate steaming of the selectivated molecular sieve. Also a method for in situ trim-selectivating the modified catalytic molecular sieve. Also described is the process for shape selective hydrocarbon conversion comprising contacting a hydrocarbon feedstream under conversion conditions with the selectivated molecular sieve.

Abstract: Supported olefin polymerization catalyst systems can be produced using waste chromium compounds. Olefin polymers can be prepared using a catalyst system composition comprising a waste chromium compound and an alkyl aluminum compound, both supported on an inorganic oxide support, wherein at least a portion of the waste chromium compound is in a hexavalent state.

Abstract: Porous bodies are produced which are suitable for use as supports for catalysts, including living cells, such as bacteria. The bodies have a significantly large average pore diameter of about 0.5 to 100 microns, (i.e. 5,000 to 1,000,000 .ANG.) and a total pore volume of about 0.1 to 1.5 cc/g with the large pores contributing a pore volume of from about 0.1 to 1.0 cc/g. The bodies are made by preparing a mixture of ultimate particles of bound clay, one or more optional ingredients such as inorganic binders, extrusion or forming aids, burnout agents, or a forming liquid, such as water. In a preferred embodiment, the ultimate particles are formed by spray drying.

Abstract: A plastic or moldable composition of zeolite is obtained by adding 0.1-20 parts by weight of a .beta.-1.3-glucan, 1:1 layer-type clay mineral and 2:1 layer-type clay mineral together with an adequate amount of water to 100 parts by weight of zeolite powder, and then kneading the resultant mixture. The composition may be, for example, extrusion-molded to a honeycomb structure, and calcined, to provide a calcined article of honeycomb structure of zeolite which has a high dimensional accuracy and strength, and hence is useful as a drying agent, a catalyst or a carrier material therefor. The calcined article of zeolite has an excellent mechanical strength.

Abstract: The method enables the creation of a pillared layered clay (a PILC) by contacting the clay with a pillaring precursor and delivering energy to the reaction mixture to intercalate the precursor into the clay. The pillaring precursor is an electrically neutral organometallic molecule with a carbon-metal bond which is susceptible to proton attack whereby protons donated from sites of Bronsted acidity in the clay cleave the carbon-metal bond to yield an organic fragment of the precursor and a metal-containing pillaring fragment. A preferred precursor is Ph.sub.2 SnCl.sub.2.

Abstract: A body made of carbon particles bonded together with bentonite clay and cellulose fibers, wherein in weight percent based on carbon, the bentonite content is about 4% to 20%, and the cellulose fiber content is about 2% to 10%. A method of making the body which involves forming an aqueous mixture having a composition in weight percent based on carbon of about 5% to 8% organic binder which can be cellulose ethers, cellulose ether derivatives, and combinations of these, about 4% to 20% bentonite clay, about 2% to 10% cellulose fibers, and the balance being activated carbon particles, forming the mixture into a body, and drying the body.

Abstract: The supported amine-polyol sorbent of the present invention comprises about 1 wt % to about 25 wt % amine, about 1 wt % to about 25 wt % polyol, with the balance being support. This sorbent is capable of absorbing and desorbing carbon dioxide at relatively high rates at ambient temperatures, thereby improving carbon dioxide sorption capacity.

Abstract: Disclosed are compositions suitable for use as a litter for the accumulation of animal urine comprised of at least one uncalcined clay substrate, said substrate characterized by having a calcium oxide content of less than about 5% by weight and wherein the clay mineral component of said substrate contains at least about 35% by weight attapulgite, combined with at least one chemical pH indicator which provides a visual indication of pH change.Also disclosed are processes for making such compositions and to litters using such compositions.

Abstract: There is provided a catalyst comprising a heteropoly acid, such as phosphotungstic acid, supported on a mesoporous crystalline material, such as M41S. A particular form of this M41S support is designated as MCM-41. There is also provided a method for preparing this catalyst by impregnating the heteropoly acid on the support. There is also provided a process for using this catalyst to catalyze acid catalyzed reactions, such as the isomerization of paraffins and the alkylation of aromatics.

Abstract: This invention relates to a method for manufacturing an inorganic porous layered member which can maintain a sufficient distance between layers to show a high degree of heat insulating properties. In the manufacturing method for the inorganic porous layered member according to the present invention, an inorganic layered compound 12 having swelling charecteristics is swelled, and an inorganic pillar and an organic pillar are intercalated to form inorganic compound 16 between layers 14 of the inorganic layered compound 12. Fine gaps are thus formed in a wide range by the intercalation of the inorganic compound 16 between the layers 14 to maintain a sufficient distance between the layers 14, and the inorganic porous layered member 10 having high heat insulating properties is thus produced.

Abstract: This invention relates to a new synthetic layered material, a method for its preparation and use thereof as a sorbent and as a catalyst component in catalytic conversion of organic compounds.

Abstract: Pillared clay based high activity olefin polymerization catalysts, methods of producing the catalysts and methods of using the catalysts in the polymerization of olefins are provided. The methods of producing the catalysts each basically comprise contacting a pillared clay with the soluble complex produced by heating a mixture of a metal dihalide with a transition metal compound to produce a solid, and then reacting the solid with an organoaluminum halide. The process produces catalyst components shaped like dipyramidal or generally "football"-shaped crystals.

Abstract: A crystalline molecular sieve is synthesized as encapsulating chelating agents which are macrocyclic organic molecules containing from about 8 to about 18 members in cyclic configuration with at least one bicyclic bridge having from about 3 to about 10 members, the molecule members being carbon, nitrogen, oxygen, sulfur, selenium, phosphorus and/or arsenic. The molecules contain at least two nitrogen members and at least one member is oxygen, sulfur, selenium, phosphorus, and/or arsenic, and the members include sufficient bonds to contiguous members or to hydrogen to form stable molecules. The macrocycles may be complexed with metal ions and the molecular sieve may be used in catalysis and medical imaging.