Rectifying tower forrecovering oxygen-bearing organic matter inwater for Fischer-Tropsch synthesis

A Fischer-Tropsch synthesis and rectification tower technology, which is applied in the field of rectification towers, can solve the problems of low content, high cost, and difficulty in meeting environmental protection requirements, and achieves the effect of increasing product varieties and solving environmental pollution problems.

Active Publication Date: 2007-03-28
YANKUANG ENERGY R&D CO LTD
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Problems solved by technology

Because there are many kinds of organic oxygen compounds and their contents are low, it is not only expensive but also difficult to achieve environmental protection by using the general organic oxide-containing wastewater treatment and its organic oxide separation and recovery method and unit equipment to treat Fischer-Tropsch synthesis reaction water. required indicators

Method used

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  • Rectifying tower forrecovering oxygen-bearing organic matter inwater for Fischer-Tropsch synthesis
  • Rectifying tower forrecovering oxygen-bearing organic matter inwater for Fischer-Tropsch synthesis

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with embodiment.

[0030] As shown in Figure 1, the main body of a rectification tower for the recovery of oxygenated organics in Fischer-Tropsch synthesis reaction water consists of tower body 2, 28 trays, tower bottom reboiler 5, tower top condenser 6 and related pipelines . Among them, 1 is the feed pipeline, 10 is the side line extraction pipeline, 11 is the discharge pipeline of the acid-containing wastewater from the tower kettle, 8 is the extraction pipeline of the tower top product, and 9 is the tower top circulation pipeline. 7 is a condensate return tank, 4 is a chimney tray, and 3 is a feed plate.

[0031] FIG. 2 and FIG. 3 are structural schematic diagrams of the chimney tray 4 in two viewing directions respectively, FIG. 2 is a side view, and FIG. 3 is a top view. 12 is a downcomer plate, and the height of the downcomer plate 12 is designed according to the 50-minute residence time of th...

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Abstract

The present invention relates to a fractionating tower for recovery oxygen-containing organics from Fischer-Tropsch synthesis reaction water. It is characterized by that said fractionating tower adopts a specially-designed chimney tray, said chimney tray can ensure the effective separation of water phase and oil phase richly containing oxygen-containing organics. Said invention also provides the concrete structure of said specially-designed chimney tray, and its concrete working principle and concrete operation method.

Description

technical field [0001] The invention relates to a rectification tower used for recovery of oxygen-containing organic matter in Fischer-Tropsch synthesis reaction water. The rectification tower is also suitable for the separation of other organic matter (hydrocarbon and its oxygen-containing derivatives) and water mixture. Background technique [0002] With the increase of demand for petroleum-based liquid fuels and the reduction of available reserves of petroleum resources, the method of producing liquid fuels from solid fuels such as coal has attracted more and more attention. [0003] There are two different technical routes for the liquefaction of solid fuels, one is direct liquefaction and the other is indirect liquefaction. Direct liquefaction is a process in which solid fuels such as coal are hydrogenated directly into liquid oil under the action of solvents and catalysts under high temperature and high pressure. The operating conditions of direct liquefaction are har...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/16C07C1/04C07C7/04C02F1/04
Inventor 孙启文朱继承岳建平黄海杨跃
Owner YANKUANG ENERGY R&D CO LTD
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