Abstract:
Processes for producing cesium oxalate are disclosed. The process includes contacting cesium carbonate, cesium hydrogenbicarbonate or a mixture thereof with carbon dioxide and carbon monoxide, carbon dioxide and hydrogen or carbon monoxide and oxygen at elevenated temperatures and pressures.
Abstract:
Embodiments are directed to carbon nitride materials that provide appropriate characteristics for photocatalytic water splitting. The carbon nitride materials have a three dimensional CN material with a high nitrogen content that is stable under photocatalytic conditions. A method of producing a photocatalytic CN material comprises (a) contacting a mesoporous template having a selected porosity with an aminoguanidine hydrochloride solution, forming a template reactant mixture; and (b) heating the template reactant mixture, forming a carbon nitride material/template composite; (c) heating the CN/template composite in an inert gas atmosphere to about 350 °C to 450 °C, forming a cubic mesoporous carbon nitride material/template complex; and (d) removing the template from the mesoporous carbon nitride material/ template complex. The carbon nitrogen matrix is a based on C3N6diamino-s-tetrazine.
Abstract:
Certain embodiments of the invention are directed to nitrogen rich two dimensional hexagonal C 3 N 4.6 mesoporous graphitic carbon nitride (gMCN) material formed from cyclic amino-triazole precursors, the gMCN having a rod shape morphology and an average pore diameter between 4 to 6 nm.
Abstract:
Methods of producing rod-shaped mesoporous carbon nitride (MCN) materials are described. The method includes (a) obtaining a template reactant mixture comprising an uncalcined rod-shaped SBA-15 template, a carbon source compound, and a nitrogen source compound; (b) subjecting the template reactant mixture to conditions suitable to form a rod-shaped template carbon nitride composite; (c) heating the rod-shaped template carbon nitride composite to a temperature of at least 500 °C to form a rod-shaped mesoporous carbon nitride material/SB A-15 (MCN-SBA-15) complex; and (d) removing the SBA-15 template from the MCN-SBA-15 complex to produce a rod-shaped mesoporous carbon nitride material.
Abstract:
Carbon nitride materials and method of making said carbon nitride materials is described. The carbon nitride materials can be a three dimensional C 3 N 5 3-amino-1,2,4,- triazole and urea based mesoporous carbon nitride matrix having an atomic carbon to nitrogen ratio of 0.55 to 0.8 and basic nitrogen containing groups of between 0.15 to 0.25 mmol per gram.
Abstract:
A method and systems capable of producing aromatic hydrocarbons from a C3 alcohol using a catalytic metal-containing zeolite catalyst are disclosed. The method and systems can include the use of carbon dioxide as a reactant. The aromatization reactions provide product streams with high single pass aromatic selectivity of benzene, toluene and xylenes (BTX).
Abstract:
Disclosed is a method of producing formaldehyde from formic acid. The method includes obtaining a gaseous mixture comprising formic acid and water vapor and contacting the gaseous mixture with a metal catalyst in a reaction chamber under conditions sufficient to reduce the formic acid to formaldehyde and oxidize the metal to a metal oxide.
Abstract:
Disclosed is a catalyst and process for producing ammonia (NH 3 ). The process includes contacting a gaseous feed mixture comprising nitrogen (N 2 ) and hydrogen (H 2 ) with a metal hydride material under reaction conditions sufficient to produce a product stream comprising NH 3 .
Abstract:
Disclosed are compositions, processes, and methods directed to mesoporous carbon nitride materials having high nitrogen content. The mesoporous carbon nitride material has a three dimensional C 3 N 5 3-amino-1,2,4-triazole based mesoporous carbon nitride matrix having an atomic nitrogen to carbon ratio of 1.4 to 1.7, and a band gap of 1.8 to 3 eV.
Abstract translation:公开了针对具有高氮含量的中孔氮化碳材料的组合物,方法和方法。 中孔氮化碳材料具有三维C 3 N 5 3-氨基-1,2,4-三唑基中孔氮化碳基体,其具有原子氮碳比 为1.4至1.7,带隙为1.8至3eV。
Abstract:
Disclosed are methods and systems of producing acetic acid and hydrogen from a two carbon (C 2 ) alcohol source, the method comprising (a) obtaining a homogeneous aqueous solution comprising a C 2 alcohol source and an organoruthenium (II) halide catalyst; and (b) subjecting the homogeneous aqueous solution to conditions suitable to produce a product stream comprising acetic acid and hydrogen.
Abstract translation:公开了从二碳(C 2 N 4)醇源生产乙酸和氢的方法和系统,所述方法包括(a)获得包含 C18醇源和卤化有机钌(II)催化剂; 和(b)使均匀的水溶液经受适于产生包含乙酸和氢的产物流的条件。