Hybrid filter element and method

A filter element and element technology, which is applied in chemical instruments and methods, separation methods, filtration and separation, etc., can solve the problems of low efficiency of solvent treatment

Inactive Publication Date: 2009-05-13
佩里装置公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The use of slip flow reduces the size of the carbon container required, however it is less effective at handling solvents than using a full flow filter
Another limitation in the case of prior art vessels relates to the fact that, during filtration operations, the GAC releases charcoal particles into the process stream, requiring an additional solids filter downstream of the charcoal filter

Method used

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  • Hybrid filter element and method

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Embodiment Construction

[0026] The particular type of filter vessel to which the improved filter element of the present invention is applied may take a variety of configurations. For example, those familiar with the oil and gas manufacturing industry will be familiar with filter vessels that contain filtration for filtering a dry gas stream and for separating solid particles and liquids from the stream containing contaminants. element. These types of vessels are often installed in gas lines to perform their filtering function. U.S. Patent No. 5,919,284, issued July 6, 1999, and U.S. Patent No. 6,168,647, issued January 2, 2001, both to Perry, Jr. and assigned to the assignee of the present invention, which Two patents disclose filter vessels that use separate filter elements to separate solid particles, filter liquids, and coalesce liquids. The aforementioned multi-stage vessels, as well as many other similar filter vessels used in the industry, employ solid or hollow core tubular elements, usually...

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Abstract

The present invention relates to an apparatus for filtering a gas or liquid stream of impurities and to filter elements used in such an apparatus. The apparatus includes a closed vessel having a longitudinally extending length, an initially open interior, an input port at one extent and an output port at an opposite extent thereof. A partition located within the vessel interior divides the vessel interior into a first stage and a second stage. At least one opening is provided in the partition. A filter element is disposed within the vessel to extend from within the first stage. The filter element is made up of a carbon block filter media surrounded by a protective porous depth filter media.

Description

technical field [0001] The present invention relates to filter elements and filter vessels for filtering gas and liquid streams, such as natural gas streams, natural gas process liquid streams, industrial chemical streams, and the like. Background technique [0002] Many separation processes use liquid solvents to physically or chemically adsorb or absorb various chemicals from gases or liquids. These solvents remove certain contaminants from the stream (at which point they are said to be "rich") and are subsequently regenerated by temperature or other means of stripping species from the solvent. At this point the "lean" solvent can come into contact with the process stream. This allows the solvent to be enriched and then stripped of the species to be removed creating a continuous loop. These solvent processes are used to purify process streams by removing contaminants, or to recover and / or concentrate substances present in process streams. [0003] There are many example...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/58B01D27/06
CPCB01J20/2804B01D39/2062B01J20/20B01D2239/0208B01D2239/0622B01D2239/045B01D2239/04B01D2239/086B01D39/2013B01J20/28042B01D2239/10B01D2239/065B01J20/28052B01D2239/0695B01J20/2803B01D2239/0627B01D2239/1291B01D39/163B01D2239/064B01J2220/66B01J20/28014B01J20/28023B01D2239/0668B01J20/28033
Inventor J·A·克罗格D·克劳德
Owner 佩里装置公司
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