Device for separating electro-adsorption water-based solution ions
An ion separation and electrosorption technology, applied in the directions of dispersed particle separation and separation methods, can solve the problems of unsuitable seawater or brackish water desalination, large power consumption, etc., and achieve obvious energy saving effect, safe operation, and cost reduction. Effect
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Embodiment 2
[0028] Embodiment 2: see attached figure 2 . In the electro-adsorption water-based solution ion separation device, there is also a partition 10.0 in the middle of the channel of the composite adsorption unit. The anion exchange membrane is on the side of the positive plate, and the cation exchange membrane is on the side of the negative plate. The divider divides the channel into two sub-channels 11.11 and 11.21. Other structures are the same as in Embodiment 1.
Embodiment 3
[0029] Embodiment 3: see attached image 3 . An ion separation device for electro-adsorption water-based solution, a partition 10 is provided in the middle of the channel of the composite adsorption unit, and the partition is composed of anion and cation two-layer ion exchange membrane 10.2, 10.3 Composition, the anion exchange membrane is on the side of the positive plate, and the cation exchange membrane is on the side of the negative plate, separating the channel into two sub-channels 11.1, 11.2. Other structures are the same as in Embodiment 1.
[0030] The above embodiments are tested and the effect is very good: the separation and recovery rate of the high-concentration water-based solution reaches about 80%, and the separation and recovery rate of the low-concentration water-based solution reaches about 90%.
Embodiment 1
[0031] The seawater of Bohai Bay is taken in embodiment 1, and temperature is 20 ℃, and its salinity is 35000mg / L, produces 1000kg the fresh water that salinity is 500mg / L, and power consumption is only 3kW.h; Electricity 50-200%. At the same time, 330L of high-concentration brine with a salt content of 140,000mg / L can be obtained, which can be used as raw water for salt production, and the overall benefit is greatly improved.
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