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Apparatus for use in regenerating adsorbent

An adsorbent, swing adsorption technology, applied in the direction of adsorption, lighting and heating equipment, nitrous oxide capture, etc.

Inactive Publication Date: 2006-02-01
AIR PROD & CHEM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, all of these direct heating methods suffer from the aforementioned difficulties

Method used

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  • Apparatus for use in regenerating adsorbent
  • Apparatus for use in regenerating adsorbent
  • Apparatus for use in regenerating adsorbent

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0046] specific implementation plan

[0047] Although the present invention has broad applicability to the separation of gaseous components in gaseous mixtures by the process of swing adsorption, we shall in the following description combine the removal of water, carbon dioxide and other secondary pollutants with air prior to cryogenic air separation. The pre-purification process exemplifies the invention.

[0048] Cryogenic purification of air requires a pre-purification step to remove high-boiling, hazardous substances. The major high-boiling air components include water and carbon dioxide. If these impurities are not removed from the ambient air, water and carbon dioxide will freeze out in the cooling portion of the separation process, including the heat exchanger and liquid oxygen pool, causing pressure drops, fluid problems, and operational problems. A variety of hazardous substances must be removed including acetylene, nitrogen oxides and other hydrocarbons. High boil...

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Abstract

An adsorber vessel for use in the adsorption of a component from a gas and subsequent regeneration by thermally induced desorption of said component comprises an inlet for regeneration gas having an inlet nozzle containing at least one heater element, and an outlet for regeneration gas, said inlet and outlet for regeneration gas being separated by a flow path including a flow chamber containing a body of adsorbent, and wherein said body of adsorbent has a first end which is adjacent said inlet for regeneration gas and a second end which is remote from said inlet for regeneration gas, and each heater element is located so as not to penetrate through said first end of the body of adsorbent.

Description

technical field [0001] The present invention relates to adsorbent vessels for use in adsorbing components from a gas and subsequently desorbing the adsorbed components by heating to regenerate the adsorbent. The invention also relates to a device for removing components from a gas mixture by swing adsorption, including temperature swing adsorption and its associated processes, and pressure swing adsorption with assisted heating, and to a method of operating the same. The method of operation includes pre-purification of air before cryogenic distillation. Background technique [0002] In many cases it is desirable to remove gaseous components from a gas stream by adsorption on solid adsorbents, with periodic regeneration of the adsorbents. The removed gas components may have intrinsic value, or they may contaminate components in the gas mixture. [0003] In these processes, an incoming gas stream is typically contacted with a solid sorbent contained in a sorbent vessel to ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/04B01D53/26F25J3/04
CPCB01D2259/402B01D2257/702B01D2259/4009B01D2256/12B01D2259/40077B01D53/0462B01D2259/652B01D2257/80B01D2257/402B01D53/0438Y02C10/08B01D2259/416B01D2257/504Y02C20/10B01D53/261B01D2256/10B01D53/0423B01D53/0431F25J3/04181F25J2205/70Y02C20/40
Inventor C·哈本M·A·卡巴斯D·P·奥康诺尔
Owner AIR PROD & CHEM INC