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A method for dynamic adjustment of medium water content in the process of hydrate formation

A dynamic adjustment, hydrate technology, applied in chemical/physical processes, methods of chemically changing substances using atmospheric pressure, chemical/physical/physical-chemical processes, etc., can solve the problem of low efficiency of porous media

Active Publication Date: 2022-05-17
NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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Problems solved by technology

[0003] The purpose of the embodiments of the present application is to provide a method for dynamically adjusting the water content of the medium during the hydrate formation process, which aims to improve the problem of low use efficiency of porous media in the related art

Method used

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  • A method for dynamic adjustment of medium water content in the process of hydrate formation
  • A method for dynamic adjustment of medium water content in the process of hydrate formation
  • A method for dynamic adjustment of medium water content in the process of hydrate formation

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Embodiment

[0026] Please refer to figure 1 , this embodiment provides a method for dynamically adjusting the water content of the medium during the hydrate formation process. The method for dynamically adjusting the water content of the medium during the hydrate formation process includes: the initial hydrate formation step S1, the water replenishment step S2, and the hydrate reformation step S3. The initial hydrate formation step S1 includes filling the medium 2 in the reaction vessel 1, filling the reaction vessel 1 with gas to pressurize, and lowering the temperature of the medium 2 in the reaction vessel 1 to form hydrates in the medium 2. The water replenishing step S2 includes adding liquid water into the reactor 1 . The hydrate reformation step S3 includes maintaining the pressure and temperature in the reactor 1 to form hydrate in the medium 2 . Repeat the hydration step S2 and the hydrate re-forming step S3 until the water content of the medium 2 reaches saturation S4. By ado...

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Abstract

The present application provides a method for dynamically adjusting the water content of a medium in the process of hydrate formation, and relates to the technical field of hydrate preparation. The method for dynamically adjusting the water content of the medium in the hydrate formation process includes: a hydrate initial formation step, a water replenishment step, and a hydrate re-formation step. The initial hydrate formation step includes filling the reaction kettle with a medium, filling the reaction kettle with gas to pressurize, and reducing the temperature of the medium in the reaction kettle, so as to form a hydrate in the medium. The step of replenishing water includes adding liquid water into the reactor. The step of reforming the hydrate includes maintaining the pressure and temperature in the reaction vessel to form the hydrate in the medium. The rehydration step and the hydrate reformation step are repeated until the water content of the medium reaches saturation. By adopting the method for dynamically adjusting the water content of the medium during the hydrate formation process, it is possible to arbitrarily adjust the water content of the porous medium filled inside during the hydrate formation process in a high-pressure environment, so as to greatly improve the use efficiency of the porous medium and liquid water.

Description

technical field [0001] The present application relates to the technical field of hydrate preparation, in particular, to a method for dynamically adjusting the water content of a medium during the hydrate formation process. Background technique [0002] All existing hydrate formation reactors in porous media are all hydrate formation in a medium with a fixed water content. The water content of the medium used can be saturated or unsaturated. Once the water content is determined, the water content of the medium cannot be changed during the entire formation reaction process and remains fixed. Such porous media (especially unsaturated media) are used less efficiently. Contents of the invention [0003] The purpose of the embodiment of the present application is to provide a method for dynamically adjusting the water content of the medium during the hydrate formation process, which aims to improve the problem of low use efficiency of the porous medium in the related art. [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J3/00B01J3/04B01J19/00B01J19/24
CPCB01J3/00B01J3/04B01J19/0006B01J19/0013B01J19/24
Inventor 张鹏陈雪萍吴青柏
Owner NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS
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