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METHODS AND CATALYSTS FOR THE SELECTIVE PRODUCTION OF METHANOL FROM CARBON DIOXIDE AND HYDROGEN GAS FOR CHEMICAL SYNTHESIS AND GAS PURIFICATION
METHODS AND CATALYSTS FOR THE SELECTIVE PRODUCTION OF METHANOL FROM CARBON DIOXIDE AND HYDROGEN GAS FOR CHEMICAL SYNTHESIS AND GAS PURIFICATION
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机译:从二氧化碳和氢气中选择性生产甲醇以进行化学合成和纯化的方法和催化剂
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摘要
Catalysts and methods for the selective conversion of carbon dioxide and hydrogen into methanol using heat and high pressure in a hydrogenation reactor are disclosed. Key to this process are catalysts, which are comprised of multimetallic, aluminum oxide-supported nanoparticles. In some embodiments of the invention, the catalytic nanoparticles are made from mixtures of zinc and copper, or mixtures of palladium and copper, in different stoichiometric equivalents. In others, stoichiometric additives or dopants are added in order to improve the rate of product formation, improve selectivity, or allow for flow configurations. Methods for the use of these catalysts for the synthesis of methanol, and for the purification of CO2, H2, or CO gas streams by transforming contaminants into liquid methanol are also described.
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