Treatment method of equilibrium adsorption seawater decalcification of plate-and-frame filter press
The technology of a plate and frame filter press and a treatment method is applied in seawater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., to achieve the effects of saving production costs, fast filtration, and sufficient response.
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Embodiment 1
[0038] A treatment method for balanced adsorption of seawater decalcification by a plate and frame filter press, the specific steps are as follows:
[0039] (1) Disperse 130 kg of powdered adsorption material with 260 kg of tap water to make a slurry;
[0040] (2) Add seawater to the slurry adsorbent material in step (1), the adsorbent material is to Ca 2+ The exchange capacity is 2mol-3mol / kg, stirring for 1 to 2 minutes to form a mixed slurry;
[0041] (3) Inject the mixed slurry into the plate-and-frame filter press, the adsorbent material remains in the filter press, and the obtained filtrate is decalcified seawater.
Embodiment 2
[0043] A treatment method for balanced adsorption of seawater decalcification by a plate and frame filter press, the specific steps are as follows:
[0044] (1) Disperse 260 kg of powdered adsorption material with 260 kg of tap water to make a slurry;
[0045] (2) Add seawater to the slurry adsorbent material in step (1), the adsorbent material is to Ca 2+ The exchange capacity is 2mol-3mol / kg, stirring for 10 minutes to form a mixed slurry;
[0046] (3) Inject the mixed slurry into the plate-and-frame filter press, the adsorbent material remains in the filter press, and the obtained filtrate is decalcified seawater.
Embodiment 3
[0048] A treatment method for balanced adsorption of seawater decalcification by a plate and frame filter press, the specific steps are as follows:
[0049] (1) Disperse 180 kg of powdered adsorption material with 260 kg of tap water to make a slurry;
[0050] (2) Add seawater to the slurry adsorbent material in step (1), the adsorbent material is to Ca 2+ The exchange capacity is 2mol-3mol / kg, stirring for 5 minutes to form a mixed slurry;
[0051](3) Inject the mixed slurry into the plate-and-frame filter press, the adsorbent material remains in the filter press, and the obtained filtrate is decalcified seawater.
[0052] Decalcification experiment design and data analysis:
[0053] 1. Data analysis of laboratory test results
[0054] Our previous work showed that ion exchange can be completed in less than a minute under well-stirred and well-mixed equilibrium conditions. In this experiment, we used the method of adding material powder and stirring in seawater for 5 minu...
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