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Fischer-Tropsch synthesis system and method

A Fischer-Tropsch synthesis, qualified technology, applied in chemical instruments and methods, preparation of liquid hydrocarbon mixtures, petroleum industry, etc., can solve problems such as catalyst separation difficulties, and achieve solutions to catalyst fine particle aggregation, scientific design, and flow reduction. Effect

Active Publication Date: 2015-06-17
CHNA ENERGY INVESTMENT CORP LTD +1
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Problems solved by technology

[0007] The purpose of the present invention is to provide a Fischer-Tropsch synthesis system and method to solve the problem of difficult catalyst separation in the gas phase discharge and liquid phase discharge of the slurry bed reactor, and to ensure the continuous and stable operation of the Fischer-Tropsch synthesis system

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Embodiment Construction

[0042] The present invention will be described in detail below in conjunction with the accompanying drawings, but the present invention is not limited thereto.

[0043] Such as figure 1 As shown, the Fischer-Tropsch synthesis system with a slurry bed reactor provided by the present invention includes a slurry bed reactor 1 , a first filter device 2 , a first separation device 3 , a second separation device 4 and a stripping column 5 .

[0044] Wherein, the first filter device 2 is arranged in the slurry bed reactor 1, and is used to filter the catalyst in the liquid phase output to be drawn out of the slurry bed reactor 1, so as to reduce the amount of liquid phase output. The content of large particle catalysts with catalytic activity in the middle. In a preferred embodiment, as figure 2 As shown, the first filter device 2 includes one or more filter pipes 9, and the filter pipe 9 includes an outer filter pipe 91, an inner filter pipe 92, an outer discharge pipe 93 and an ...

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Abstract

The invention discloses a Fischer-Tropsch synthesis system and method. The Fischer-Tropsch synthesis system comprises a slurry bed reactor, a first filtering device, a first separation device, a second separation device and a stripping tower. According to the system and the method, all devices are matched, so that fine catalyst particles in the reactor can be effectively removed, the fine catalyst particles in a discharged product can be effectively separated, a separation process is scientific and reasonable in design, the problems of aggregation of the fine catalyst particles in the slurry bed reactor and difficulty in the separation of the fine catalyst particles in the synthesized product are solved, and the Fischer-Tropsch synthesis system can run continuously and stably.

Description

technical field [0001] The invention relates to the field of Fischer-Tropsch synthesis, in particular to a Fischer-Tropsch synthesis system and method based on a slurry bed reactor. Background technique [0002] With the dwindling of petroleum resources and the increasingly stringent requirements of human beings for the protection of the ecological environment, the world's demand for clean liquid fuels has increased sharply. The Fischer-Tropsch synthesis technology has attracted the most attention. The typical Fischer-Tropsch synthesis process flow is as follows: First, coal / natural gas is converted into synthesis gas through gasification or partial oxidation and reforming, and then the synthesis gas is desulfurized and deoxygenated, and then adjusted according to the Fischer-Tropsch synthesis process conditions and catalysts used. H / CO ratio, and then enter the Fischer-Tropsch synthesis reactor to produce mixed hydrocarbons. Finally, the synthesized products can be separa...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G2/00B01J8/22
CPCB01J8/22C10G2/32C10G2/342
Inventor 王峰焦洪桥罗春桃雍晓静
Owner CHNA ENERGY INVESTMENT CORP LTD
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