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Thin-wall ceramic membrane tube applied to membrane absorption process, membrane adsorption method and application thereof

A ceramic membrane tube and membrane absorption technology, which is applied in the field of membrane absorption, can solve the problems of increased filtration resistance and affecting absorption efficiency, etc., and achieve the effects of improving absorption effect, improving absorption efficiency, and high mass transfer efficiency

Pending Publication Date: 2017-04-19
JIANGSU JIUWU HITECH
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  • Description
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  • Application Information

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Problems solved by technology

However, these two methods will have an adverse effect on the absorption process, because the increase in wall thickness increases the filtration resistance and affects the absorption efficiency in the membrane absorption process.

Method used

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  • Thin-wall ceramic membrane tube applied to membrane absorption process, membrane adsorption method and application thereof
  • Thin-wall ceramic membrane tube applied to membrane absorption process, membrane adsorption method and application thereof
  • Thin-wall ceramic membrane tube applied to membrane absorption process, membrane adsorption method and application thereof

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Embodiment Construction

[0037] The field of application of the ceramic membrane tube involved in the present invention is mainly through the membrane absorption and separation of the components to be absorbed in the gas by the absorbing liquid, for example: for the acid gas (SO x , CO x , NO x etc.) for absorption, the gas moves outside the ceramic membrane tube, while the absorption liquid flows inside the ceramic membrane tube, the components to be absorbed in the gas enter the inner cavity of the tube through the pores of the ceramic membrane tube, and the components are absorbed by the absorption liquid . In addition, absorbents that can react with the components to be absorbed can also be added to the absorption liquid to improve the absorption efficiency, such as NaOH, KOH, NH 3 Wait. If it is for alkaline gas NH 3 When absorbing, water can be used as the absorption liquid, and hydrochloric acid, sulfuric acid, etc. can be used as the absorbent.

[0038] The structure of the ceramic membra...

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Abstract

The invention relates to a thin-wall ceramic membrane tube applied to a membrane absorption process, a membrane adsorption method and application thereof, and belongs to the technical field of membrane adsorption. The thin-wall ceramic membrane tube comprises a tube cavity, wherein the tube cavity is formed by a tube wall and the inner side of the tube wall; the equivalent diameter range of the outer wall section of the membrane tube is 4-20mm, and the thickness range of the tube wall is smaller than 3mm; the inner side of the tube cavity is also provided with at least two gaseous conductance porous material sheets which are arranged along the tube diameter direction of the membrane tube; and on the section of the tube cavity, one end of each gaseous conductance porous material sheet is arranged on the inner wall of the membrane tube, and the other ends of the gaseous conductance porous material sheets are mutually in lap joint. The thin-wall ceramic membrane tube provided by the invention is high in mass transfer efficiency, an adsorption effect is greatly improved, meanwhile, the thin-wall ceramic membrane tube has a large filling area and simultaneously can keep good mechanical strength, and equipment investment cost is lowered.

Description

technical field [0001] The invention relates to a thin-walled ceramic membrane tube applied to a membrane absorption process, a membrane absorption method, a membrane absorption method and an application thereof, and belongs to the technical field of membrane absorption. Background technique [0002] Membrane absorption is a new type of membrane process combining membrane technology and gas absorption technology. The gas phase and absorption liquid are separated by the separation membrane as the interface. The gas-liquid two-phase mass transfer and chemical reaction occur at the membrane interface to remove harmful An approach to composition where the membrane itself is not selective. As a new type of technology, the method is widely used in the fields of chemical production, atmospheric environmental protection, biochemical industry and the like. [0003] The ceramic membrane is used in the membrane absorption process, especially superior in high temperature resistance a...

Claims

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Application Information

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IPC IPC(8): B01D63/06B01D71/02B01D53/22B01D53/14
CPCB01D53/1456B01D53/1493B01D53/228B01D53/229B01D63/065B01D71/02B01D71/024B01D71/025B01D2252/103B01D2053/223B01D2313/08B01D2257/302B01D2257/304B01D2257/404B01D2257/406B01D2257/504
Inventor 常冬杰徐德刊周邢吴健潘锁良邓唯程恒
Owner JIANGSU JIUWU HITECH
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