Fischer-Tropsch synthesis tail gas recycling system process

A technology of Fischer-Tropsch synthesis and tail gas recovery, which is applied in the direction of gas fuel, petroleum industry, lighting and heating equipment, etc. It can solve the problems of environmental pollution and waste of resources, and achieve the effect of safe operation of equipment, high utilization rate and stable operating temperature

Active Publication Date: 2019-12-31
北京恒泰洁能科技有限公司
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  • Application Information

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Problems solved by technology

If the gas is directly burned or discharged, it will not only cause waste of resources, but also pollute the environment.

Method used

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  • Fischer-Tropsch synthesis tail gas recycling system process

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Embodiment Construction

[0033] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0034] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0035] A Fischer-Tropsch synthesis tail gas recycling system process comprises the following steps in sequence:

[0036] 1) The Fischer-Tropsch synthesis tail gas sent from the upstream device through pressure and temperature control enters the water washing tow...

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Abstract

The invention discloses a Fischer-Tropsch synthesis tail gas recycling system process. The process comprises the following steps that a Fischer-Tropsch synthesis tail gas is purified and then enters adeep cooling separation system, the purified Fischer-Tropsch synthesis tail gas is cooled and liquefied, and carbon II, carbon III and heavier components are recycled; methane in the tail gas is condensed and liquefied to prepare an LNG product; and hydrogen and carbon monoxide are purified through a PSA device. According to the Fischer-Tropsch synthesis oil tail gas deep-cooling recycling process, the components with high economic value such as ethylene, propylene and the like are recycled, the raw material gas such as the hydrogen and carbon monoxide of the Fischer-Tropsch synthesis reaction are recycled, and the methane in the tail gas is prepared into LNG or CN.

Description

technical field [0001] The invention belongs to the field of Fischer-Tropsch synthesis in the coal chemical industry, and specifically relates to a Fischer-Tropsch synthesis tail gas recovery and utilization system process. Background technique [0002] The distribution of fossil resources in my country has the characteristics of little oil, gas, and relatively rich coal. With the development of industry, my country will become the largest oil consumer in the future. In recent years, my country's oil resources have been severely lacking, and it is unrealistic to rely solely on oil resources to supply the high demand for oil products. The synthesis gas converted from coal, natural gas and biomass through Fischer-Tropsch synthesis can be used under certain temperature conditions and corresponding catalysts. It is of great significance to alleviate resource consumption and human needs to produce certain liquid fuels. [0003] The basic raw materials for F-T synthesis are synthe...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25J3/02C10L3/12C07C7/04C07C11/04C07C11/06
CPCC07C7/04C10L3/12F25J3/0223F25J2210/18C07C11/04C07C11/06
Inventor 徐小勤孙立佳裴栋中李腾徐晓亮
Owner 北京恒泰洁能科技有限公司
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