METHODS FOR PRODUCING AROMATIC HYDROCARBONS FROM NATURAL GAS AND INSTALLATION FOR IMPLEMENTING SAME

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United States of America Patent

APP PUB NO 20240116838A1
SERIAL NO

18205663

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Abstract

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The invention relates to the field of gas chemistry and, more specifically, to methods and devices for producing aromatic hydrocarbons from natural gas, which involve producing synthesis gas, converting same into methanol, producing, from the methanol, in the presence of a catalyst, a concentrate of aromatic hydrocarbons and water, separating the water, air stripping hydrocarbon residues from the water, and separating-out the resultant concentrate of aromatic hydrocarbons and hydrogen-containing gas, the latter being at least partially used in the production of synthesis gas to adjust the ratio therein of H2:CO 1.8-2.3:1, and can be used for producing aromatic hydrocarbons. According to the invention, the production of aromatic hydrocarbons from methanol in the presence of a catalyst is carried out in two consecutively-connected reactors for synthesizing aromatic hydrocarbons: in a first, low-temperature isothermal reactor for synthesizing aromatic and aliphatic hydrocarbons, and in a second, high-temperature adiabatic reactor for synthesizing aromatic and aliphatic hydrocarbons from aliphatic hydrocarbons formed in the first reactor, and the subsequent stabilization thereof in an aromatic hydrocarbon concentrate stabilization unit. At least a portion of the hydrogen-containing gas is fed to a synthesis gas production unit and is used for producing synthesis gas using autothermal reforming technology. The installation carries out the method. The achieved technical result consists in increasing the efficiency of producing concentrates of aromatic hydrocarbons.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSAL FUEL TECHNOLOGIES INC171 MAIN STREET #261 LOS ALTOS CA 94022

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
IMSHENETSKIY, Vladimir Vladislavovich Moscow, RU 8 8
LISHCHINER, Iosif Izrailevich Moscow, RU 6 3
MALOVA, Olga Vasilyevna Moscow, RU 10 24
MEDVEDEV, Sergey Vladimirovich pos. Gorki Leninskie, RU 3 5
PCHELINTSEV, Denis Vasilyevich Moscow, RU 6 13
TARASOV, Andrey Leonidovich Moscow, RU 10 24

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