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Method for generating aqua compound

A technology of hydrate and gas mixture, which is applied in the processing of gas mixture, water treatment and refining, petroleum industry, etc. It can solve the problems of low natural hydrate formation speed, low hydrate formation speed, and affecting the separation effect of mixed gas, and achieve Satisfy large-scale industrial applications, increase production speed, and achieve good separation effects

Inactive Publication Date: 2006-08-09
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology

[0007] However, the hydrate method also has inherent defects: first, because the solubility of gas in water is generally small, hydrates can only be formed at the gas-liquid interface, so the natural formation rate of hydrates is low, which cannot meet large-scale The needs of industrial applications; second, hydrates are solid, easy to deposit and coalesce, block equipment, and it is difficult to achieve continuous operation
However, the formation rate of hydrate is too low and the fluidity is not good, which directly affects the separation effect of mixed gas.

Method used

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  • Method for generating aqua compound

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Embodiment Construction

[0022] Add the polymerization inhibitor into the aqueous solution containing the accelerator tetrahydrofuran (THF) in the specified proportion and mix evenly, then add the diesel oil in the specified proportion and mix thoroughly to make the system a stable emulsion. Transfer the emulsion to a fully transparent hydration reactor, and then install the reactor in an air bath with adjustable temperature. After the temperature of the system is adjusted to a certain value and stabilized, the mixed gas of methane and hydrogen of known composition is charged into the reactor. The temperature and pressure conditions in the reactor should meet the requirements of the mixed gas of methane and hydrogen to form hydrates, and should be controlled at 0-10°C and 1-5Mpa. When the gas is charged into the reactor, the system will start to form hydrates. The reaction kettle is made of transparent material, and there is a magnetic stirrer inside. By moving the magnetic stirrer up and down, the f...

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Abstract

This invention relates to a method for generating hydrates, in which, gas or a mixture of gas generates hydrates in a water / oil emulsification system, said water / oil emulsification system is formed by adding hydrocarbon liquid and hydrates inhibitor into water. This method increases the generation speed of hydrates and enables them to flow out of the reactor and enters into the dissolver smoothly via pipeline during the process of separating gas mixtures

Description

field of invention [0001] The present invention relates to a method for forming hydrates, in particular to a method capable of increasing the rate of hydrate formation and improving the fluidity of the formed hydrates. Background technique [0002] At present, refineries generally produce a large amount of dry gas by-products, such as catalytic cracking dry gas, cracking dry gas, etc. The composition of these dry gases is complex, and the main component is H 2 , N 2 、CH 4 、C 2 h 4 、C 2 h 6 , CO 2 etc., belong to low boiling point gas mixture, in which H 2 and C 2 Component (C 2 h 4 、C 2 h 6 ) are all components with high economic value. Although oil refining companies have a strong demand for recycling them, the currently used separation methods (cryogenic separation, pressure swing adsorption, membrane separation, etc.) require a lot of investment. It is economically uneconomical to apply to these systems, so there is no very suitable technical means to realize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G70/06C10G31/08
Inventor 陈光进王秀林孙长宇郭绪强
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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