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Desalination system and desalination method

A desalination and fluid technology, applied in the field of desalination systems, can solve the problems of equipment cost, increased floor space and installation difficulty, etc.

Inactive Publication Date: 2013-06-05
GENERAL ELECTRIC CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the large size of the precipitation unit can lead to an increase in equipment cost, space occupation, and installation difficulty, which in turn prevents its wide-scale application

Method used

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  • Desalination system and desalination method

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Embodiment Construction

[0013] figure 1 A schematic diagram of one embodiment of a desalination system 10 of the present invention is shown. In this embodiment, the desalination system 10 includes an electrodialysis device 11, a precipitation unit (Precipitation Unit) 12 in fluid communication with the electrodialysis device 11, and a precipitation unit (Precipitation Unit) 12 arranged between the electrodialysis device 11 and the precipitation unit 12. A backwashable filter unit 13 in fluid communication therewith.

[0014] In the embodiment of the present invention, the reverse electrode electrodialysis device 11 can be used to receive the first fluid 14 from a fluid source (not shown) containing various substances or other impurities for desalination treatment. At the same time, during the treatment of the first fluid 14, the desalination unit 11 can receive the second fluid 15 from the precipitation unit 12, thereby removing the substances removed from the first fluid 14 out of the electrodialys...

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Abstract

The invention relates to a desalination system and a desalination method. The desalination system comprises an electrodialysis reversal device, a sediment unit and a back-washing filtering device, wherein the electrodialysis reversal device is capable of receiving first fluid, carrying out desalination treatment on the first fluid, and receiving second fluid to move away ions removed from the first fluid. The sediment unit is communicated with the fluid of the electrodialysis reversal device and is used for providing the second fluid and enabling the second fluid to circulate between the sediment unit and the electrodialysis reversal device. The back-washing filtering device is arranged between the electrodialysis reversal device and the sediment unit, is communicated with the fluids, and is used for filtering the second fluid under a normal operation mode.

Description

technical field [0001] The present invention relates to a desalination system and method for water recovery (Water Recovery), in particular to a desalination system and method for product water recovery using an electrodialysis reverse device. Background technique [0002] In industrial fields, large volumes of waste water, such as saline aqueous solutions, are produced. Usually, such waste water is not suitable for direct domestic or industrial use. In view of the limited availability of water resources, it is particularly important to recover acceptable usable water from fluids such as waste water, brackish water, seawater or other saline solutions. [0003] Due to its relatively high treatment efficiency and the ability to produce high-quality product water, electrodialysis devices are used to desalinate fluids, such as wastewater, to produce desired product water. During treatment, the fluid is fed into an electrodialysis device for desalination. Meanwhile, in order t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/06C02F1/469
CPCC02F2303/16C02F9/00C02F1/52C02F1/4695C02F1/001C02F1/4693C02F2201/006C02F2201/4613Y02A20/124
Inventor 熊日华蔡巍约翰.巴伯欧文.D.埃亚纳乔治.R.琼斯胡安.A.塞佩达
Owner GENERAL ELECTRIC CO
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