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Medium water content dynamic adjustment method in hydrate forming process

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: 2020-11-17
NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS
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  • Abstract
  • Description
  • Claims
  • Application Information

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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

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  • Medium water content dynamic adjustment method in hydrate forming process
  • Medium water content dynamic adjustment method in hydrate forming process
  • Medium water content dynamic adjustment method in hydrate forming process

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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 invention provides a dynamic adjustment method for medium water content in a hydrate forming process, and relates to the technical field of hydrate preparation. The method for dynamically adjusting the medium water content in the hydrate forming process comprises a hydrate primary forming step, a water supplementing step and a hydrate re-forming step, wherein the hydrate primary forming step comprises the steps of filling a reaction kettle with a medium, filling the reaction kettle with gas for pressurization, and reducing the temperature of the medium in the reaction kettle so as to forma hydrate in the medium, the water supplementing step comprises the step of adding liquid water into the reaction kettle, the hydrate re-forming step includes maintaining pressure and temperature within the reaction vessel to form a hydrate within the medium, and repeating the water supplementing step and the hydrate re-forming step until the water content of the medium is saturated. By adopting the method for dynamically adjusting the water content of the medium in the hydrate forming process, the water content of the porous medium filled inside can be randomly adjusted in the hydrate formingprocess in a high-pressure environment, so that the use efficiency of the porous medium and liquid water is greatly improved.

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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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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