Abstract: A method of making a zeolite comprises: adding a zeolite seed to a leach solution containing silicon and aluminum; and heating the leach solution to obtain the zeolite. The leach solution can be made by mixing coal ash with a basic stream, thereby creating (i) a leach solution containing silicon and aluminum, and (ii) leached ash; and separating the leach solution from the leached ash.

Abstract: Systems and methods for production of consistently-sized ZSM-22 zeolite catalyst crystals, a method including preparing an aluminate solution; preparing a silica solution; mixing the aluminate solution and the silica solution to form a zeolite-forming solution; heating the zeolite solution with microwave irradiation in a first, a second, a third, and a fourth distinct isothermal stage to produce the consistently-sized ZSM-22 zeolite catalyst crystals within a pre-selected crystal size range using a non-ionic surfactant.

Abstract: A process for making SSZ-39 zeolite employing at least one organic structure-directing agent (OSDA), in which a substantial quantity of the at least one OSDA, which otherwise would be required to form a zeolite such as SSZ-39, is replaced by at least one quaternary ammonium or phosphonium compound (PFA) or a mixture of two or more thereof that is not itself an OSDA for making SSZ-39. A composition including at least one oxide of silicon; faujasite; at least one organic structure directing agent (OSDA) for making SSZ-39 zeolite; at least one PFA that is not an OSDA for making SSZ-39 zeolite; an alkali metal hydroxide; and water.

Abstract: The disclosure is related to small crystal forms of SSZ-27 molecular sieve materials, methods for making, and uses of the same.

Abstract: A peak intensity of a (110) plane is greater than or equal to 2.5 times a peak intensity of a (004) plane in an X-ray diffraction pattern obtained by irradiation of X-rays to a membrane surface of the AFX membrane.

Abstract: A GIS-type zeolite, having a diffraction peak of (1 0 1) at a diffraction angle 2?=12.55 to 12.90° in a spectrum obtained by X-ray diffraction.

Abstract: Nanostructured aluminosilicates including aluminosilicate nanorods are formed by heating a geopolymer resin containing up to about 90 mol % water in a closed container at a temperature between about 70° C. and about 200° C. for a length of time up to about one week to yield a first material including the aluminosilicate nanorods. The aluminosilicate nanorods have an average width of between about 5 nm and about 30 or between about 5 nm and about 60 nm or between about 5 nm and about 100 nm, and a majority of the aluminosilicate nanorods have an aspect ratio between about 2 and about 100.

Abstract: A novel synthetic crystalline molecular sieve material, designated SSZ-118, is provided. SSZ-118 can be synthesized using 1,6-bis(N-methylpyrrolidinium)hexane dications as a structure directing agent. SSZ-118 may be used in organic compound conversion and/or sorptive processes.

Abstract: Provided is a metal-containing CHA-type zeolite in which a ratio of a maximum intensity of an absorption peak in a range of 3685 cm?1 or more and 3750 cm?1 or less to a maximum intensity of an absorption peak in a range of 1800 cm?1 or more and 1930 cm?1 or less is less than 1.5 in an IR spectrum. A method for producing the metal-containing CHA-type zeolite includes a metal incorporation step of mixing a metal source and a CHA-type zeolite in which a ratio of a maximum intensity of an absorption peak in a range of 3665 cm?1 or more and 3750 cm?1 or less to a maximum intensity of an absorption peak in a range of 1800 cm?1 or more and 1930 cm?1 or less is less than 1.5 in an IR spectrum.

Abstract: The present application provides a ZSM-35 molecular sieve and a preparation method thereof. The ZSM-35 molecular sieve is an aggregated ZSM-35 molecular sieve having a hierarchical macro-meso-microporous pore structure. Raw materials for the preparation method do not include an organic template agent and a crystal seed, and the preparation method includes the following steps: preparing a reactant gel where a molar ratio of SiO2, Al2O3, Na2O, K2O, oxygen-containing acid radical and H2O is (20-40):1.0:(1.5-2.0):(4.0-6.5):(1.0-4.0):(600-1200); sequentially performing an aging treatment and a crystallization treatment on the reactant gel, washing and drying a resulting synthetic product. The ZSM-35 molecular sieve provided by the present application may be obtained by synthesizing without using an organic template agent and crystal seed, and because it has a hierarchical pore structure, it is favorable for material diffusion and mass transfer.

Abstract: A method for synthesizing a nano SAPO-34 molecular sieve, and an SAPO-34 molecular sieve catalyst and application thereof. A nano SAPO-34 molecular sieve is synthesized by adding a microporous templating agent and a templating agent having a functionalized organic silane to hydrothermal synthesis. The nano SAPO-34 molecular sieve is calcined to obtain a nano SAPO-34 molecular sieve catalyst. The catalyst can be used in a reaction for preparing low-carbon olefin from an oxygen-containing compound. The nano SAPO-34 molecular sieve obtained by this method has a pure CHA crystal phase. Moreover, the nano SAPO-34 molecular sieve catalyst obtained by this method has good catalytic performance in a MTO reaction, the service life of the catalyst is significantly prolonged, and the selectivity of the low-carbon olefin is improved.

Abstract: A method is provided for the synthesis of aluminum-containing forms of molecular sieve CIT-15. The method includes treating an aluminogermanosilicate CIT-13 molecular sieve with water under conditions sufficient to degermanate at least a portion of the aluminogermanosilicate CIT-13 molecular sieve to provide a phyllosilicate comprising delaminated cfi-layers; and calcining the phyllosilicate under conditions sufficient to convert the phyllosilicate to an aluminogermanosilicate CIT-15 molecular sieve.

Abstract: Provided are a novel synthesis technique for producing a metal promoted aluminosilicate zeolite having a small pore framework comprising the step of reacting a synthesis gel comprising at least one promoter metal containing zeolite, a structure directing agent and an optional additional silica source; and methods of using the same.

Abstract: The zeolite UTD-1 may be formed under hydrothermal synthesis conditions using a directing agent that does not include a metal atom therein. Methods for synthesizing the zeolite UTD-1 may comprise: combining at least a silicon atom source and a directing agent having a structure of in an aqueous medium; forming the zeolite in the aqueous medium under hydrothermal synthesis conditions, such that the zeolite has a framework silicate with a cationic portion of the directing agent occluded within pores or channels of the framework silicate; and isolating the zeolite from the aqueous medium. The zeolite has a powder x-ray diffraction pattern with at least the following 2?scattering angles: 6.0±0.12, 7.6±0.1, 14.66±0.15, 19.7±0.15, 21.27±0.15, 22.13±0.15, 22.61±0.15, and 24.42±0.10 for a borosilicate form zeolite, or 6.0±0.12, 7.6±0.15, 14.55±0.15, 19.64±0.15, 21.01±0.20, 21.90±0.20, 22.34±0.20, and 24.38±0.20 for an aluminosilicate form zeolite.

Abstract: A method for synthesizing a nano-sized mesoporous zeolite composition, comprising: mixing silica, a source of aluminum, and tetraethylammonium hydroxide to form an aluminosilicate fluid gel; drying the aluminosilicate fluid gel to form a dried gel mixture; subjecting the dried gel mixture to hydrothermal treatment to produce a zeolite precursor; adding cetyltrimethylammonium bromide (CTAB) to the zeolite precursor to form a templated mixture; subjecting the templated mixture to hydrothermal treatment to prepare a CTAB-templated zeolite.

Abstract: Provided is a mordenite zeolite which can be produced without using an organic structure-directing agent, and has superior multivalent metal cation exchange capability. The mordenite zeolite according to the present invention containing silicon, a divalent metal M and aluminum in a skeletal structure, wherein the mordenite zeolite has the following atomic ratios in the state of Na-form. The mordenite zeolite preferably has a BET specific surface area of 250 m2/g or more and 500 m2/g or less and a micropore volume of 0.07 cc/g or more and 0.25 cc/g or less in the state of Na-form or H-form. Si/(M+Al)=5 or more and 10 or less, M/(M+Al)=0.1 or more and less than 1, and Na/(M+Al)=1 or more and less than 2.

Abstract: A method is provided for synthesizing a molecular sieve having the framework structure of SSZ-55 using [(1-phenyl)cyclopentylmethyl]trimethylammonium cations as a structure directing agent.

Abstract: A method of synthesizing a zeolite comprising the steps of: a. preparing an admixture containing (i) at least one source of alumina, (ii) at least one source of silica, and (iii) at least one structure directing agent (SDA) in hydroxide form, wherein the admixture is essentially free of alkali metals, wherein the at least one structure directing agent (SDA) in hydroxide form is N,N-diethyl-2,6-dimethylpiperidinium; and b. heating the admixture under autogenous pressure at a temperature and with stirring or mixing for a sufficient time to crystalize hydrogen-form zeolite crystals having an AEI framework.

Abstract: A method for forming zeolite nanosheets includes forming a mixture including a layered zeolite precursor and a functionalized polymer and exfoliating the layered zeolite precursor to provide the zeolite nanosheets.

Abstract: The main object of the present invention is to provide a new method for preparing the copper-containing silicoaluminate form of the AEI zeolite structure by means of a direct synthesis methodology. This new process involves combining a organometallic copper-complex with an additional organic molecule capable of directing the crystallisation of the silicoaluminate form of the AEI zeolite structure as organic structure-directing agents (OSDAs).