Sectional adsorption and desorption device and its application

A technology of adsorption and desorption and adsorbent, which is applied in the field of sectional adsorption and separation devices, can solve the problems of no effect on the improvement of desorption efficiency, achieve the effects of shortening the desorption time, reasonable design and improving the desorption rate

Active Publication Date: 2021-04-02
QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The installation of the filter has no effect on the desorption process and the improvement of the desorption efficiency

Method used

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  • Sectional adsorption and desorption device and its application
  • Sectional adsorption and desorption device and its application
  • Sectional adsorption and desorption device and its application

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Embodiment Construction

[0018] Aiming at the many defects of the prior art, the inventor of this case was able to propose the technical solution of the present invention after long-term research and extensive practice. The technical solution, its implementation process and principle will be further explained as follows. However, it should be understood that within the scope of the present invention, the above-mentioned technical features of the present invention and the technical features specifically described in the following (embodiments) can be combined with each other to form new or preferred technical solutions. Due to space limitations, we will not repeat them here.

[0019] As one aspect of the technical solution of the present invention, it relates to a segmented adsorption and desorption device, including an adsorption column, an upper cover and a lower cover, the upper cover is provided with a fluid inlet, the The lower cover is provided with a fluid outlet, and the adsorption column incl...

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Abstract

The invention discloses a segmental absorption and desorption device, which comprises an adsorption column, an upper seal cover and a lower seal cover. The upper seal cover is provided with a fluid inlet, the lower seal cover is provided with a fluid outlet, and the adsorption column comprises a plurality of segmented columns. Each first conductive supporting net is mounted between every two adjacent segmented columns, wherein second conductive supporting nets are mounted above and / or below the first conductive supporting net in the segmental absorption and desorption device. The first conductive supporting nets and the second conductive supporting nets are used for providing an ion directional movement electric field after voltage is applied. The segmental absorption and desorption devicehas advantages that adsorption agents can be replaced segmentally, effectively and timely, the conductive supporting nets are capable of effectively relieving pressure of the adsorption agents at thebottom of the adsorption column to reduce breakage and dissolution loss of the adsorption agents. By the electric field outside the conductive supporting nets, ion migration is accelerated; by neutral films or positive ion films on the conductive supporting nets, the ion migration rate can be accelerated under the electric field action, so that desorption time is shortened, and the desorption rate is increased.

Description

technical field [0001] The invention relates to an adsorption separation device, in particular to a segmented adsorption separation device with a conductive support net. Background technique [0002] my country's salt lakes are rich in salt resources such as potassium, magnesium, lithium, and boron, with huge potential economic value. Only in the salt lakes of Qinghai Province, B 2 o 3 Reserves of 11.525 million tons, LiCl reserves of 13.886 million tons, SrSO 4 The reserves are 15.895 million tons, 181.3 thousand tons of liquid bromine ore, 7.8 thousand tons of liquid iodine ore, 38 thousand tons of liquid rubidium ore and certain liquid cesium ore resources. The adsorption method is applicable to the development of boron, lithium, iodine, bromine, rubidium, cesium, strontium and other resources. Seawater also contains certain bromine, iodine, lithium, strontium and other elements, especially lithium and strontium are extracted by adsorption method. [0003] The adsorp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D15/10B01J20/34C02F1/28C02F103/08
CPCB01D15/10B01J20/3441C02F1/28C02F2103/08C02F2201/002C02F2303/16
Inventor 郭敏刘忠吴志坚李权葛飞
Owner QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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