Abstract

A zeolite adsorbent for separation of oxygen from a gaseous stream. The adsorbent is a blend of a lithium exchanged zeolite 13X, a lithium exchanged low silica X zeolite, and halloysite clay. Also disclosed is a process of making the zeolite adsorbent. Further disclosed is a process for production of oxygen from a gaseous stream utilizing the zeolite adsorbent.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01J 20/30 - Processes for preparing, regenerating or reactivating
• B01J 20/12 - Naturally occurring clays or bleaching earth
• B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
• B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
• B01D 53/047 - Pressure swing adsorption

Abstract

A binderless zeolite adsorbent for separation of oxygen from a gaseous stream. The adsorbent is a blend of a lithium exchanged zeolite 13X, a lithium exchanged low silica zeolite X zeolite, and halloysite clay. Also disclosed is a process of making the binderless zeolite adsorbent. Further disclosed is a process for production of oxygen from a gaseous stream utilizing the binderless zeolite adsorbent.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/12 - Naturally occurring clays or bleaching earth
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01J 20/30 - Processes for preparing, regenerating or reactivating
• C01B 13/02 - Preparation of oxygen
• B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography

Abstract

A molecular sieve blend containing a zeolite, particularly a zeolite X or A, blended with a halloysite clay binder, wherein the binder contains at least 90% by weight halloysite clay, with a particle length less than about 1 μm and processes for the production and use of this blend, particularly for adsorption of water from a feedstream and for the production of oxygen.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/12 - Naturally occurring clays or bleaching earth
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties

Abstract

A molecular sieve blend with improved performance characteristics produced by preparing or obtaining a zeolite, particularly a hydrophilic zeolite A with a low SiO2:Al2O3 ratio, preparing or obtaining a silicon based binder, particularly a hydrophobic colloidal silica or a hydrophobic siloxane based material, mixing the zeolite with the silicon based binder and, in one embodiment, a seed containing small quantities of a clay binding agent and the zeolite, to form a mixture, and forming the mixture into the molecular sieve blend.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
• B01J 20/12 - Naturally occurring clays or bleaching earth
• B01J 20/30 - Processes for preparing, regenerating or reactivating
• C10L 3/10 - Working-up natural gas or synthetic natural gas

Abstract

3 ratio, preparing or obtaining a hydrophobic silicon based binder, particularly a hydrophobic colloidal silica or a hydrophobic siloxane based material, mixing the zeolite with the silicon based binder and, in one embodiment, a seed containing small quantities of a clay binding agent and the zeolite, to form a mixture, and forming the mixture into the molecular sieve blend.

IPC Classes  ?

• C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
• C07C 7/12 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
• B01J 29/70 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of types characterised by their specific structure not provided for in groups
• C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
• C10G 11/00 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
• B01J 29/06 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof

Abstract

3 ratio, preparing or obtaining a hydrophobic silicon based binder, particularly a hydrophobic colloidal silica or a hydrophobic siloxane based material, mixing the zeolite with the silicon based binder and, in one embodiment, a seed containing small quantities of a clay binding agent and the zeolite, to form a mixture, and forming the mixture into the molecular sieve blend.

IPC Classes  ?

• B01J 29/06 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof
• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 29/70 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof of types characterised by their specific structure not provided for in groups
• C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
• C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
• C10G 25/03 - Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves
• C10G 11/00 - Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
• C10G 33/04 - De-watering or demulsification of hydrocarbon oils with chemical means
• B01J 37/00 - Processes, in general, for preparing catalystsProcesses, in general, for activation of catalysts

Abstract

A process for the production and use of a molecular sieve blend with improved performance characteristics produced by preparing or obtaining a hydrophilic zeolite, particularly a hydrophilic zeolite 3A with a low Si02:Al203 ratio, preparing or obtaining a hydrophobic silicon based binder, particularly a hydrophobic colloidal silica or a hydrophobic siloxane based material, mixing the zeolite with the silicon based binder to form a mixture, and forming the mixture into the molecular sieve blend.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01D 53/28 - Selection of materials for use as drying agents
• B01D 53/26 - Drying gases or vapours
• B01D 15/00 - Separating processes involving the treatment of liquids with solid sorbentsApparatus therefor
• B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
• C07C 7/13 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
• C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
• C10G 25/00 - Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents

Abstract

3 ratio, preparing or obtaining a hydrophobic silica binder, particularly a hydrophobic colloidal silica, mixing the zeolite with the silica binder to form a mixture, and forming the mixture into the molecular sieve blend.

IPC Classes  ?

• C07C 29/76 - SeparationPurificationStabilisationUse of additives by physical treatment
• C07C 7/12 - Purification, separation or stabilisation of hydrocarbonsUse of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
• B01J 29/06 - Crystalline aluminosilicate zeolitesIsomorphous compounds thereof

Abstract

An adsorbent-catalyst for removal of sulphur compounds from sulfur compound contaminated gas and liquid feed streams, wherein the adsorbent-catalyst is a synthetic X or Y faujasite with a silica to alumina ratio from 1.8:1 to about 5:1 and wherein 40 to 90% of the cations of the faujasite include transition metals of Groups IB, IIB and VIIB with the balance of the cations being alkali or alkaline earth metals.