20 Quick notes about Water treatment plant

1. The activated carbon filter mainly adsorbs (organic matter) and (residual chlorine) in water.

2. Combined use of strong and weak base resin, weak anion resin exchange strong acid ion, strong anion resin exchange (weak acid ion).

3. The filling ratio of mixed bed anion and cation resin (yin:yang=2:1).

4. During the filtration process, surface adsorption and (mechanical retention) occur after the impurities in the water come into contact with the filter material.

5. Impurities in natural water are divided into suspended solids, colloids and (dissolved impurities) according to particle size.

6. The purpose of adding ammonia to the feed water is to increase the (feed water PH) and prevent the acid corrosion of the pipeline caused by CO2.

7. If the motor has been out of service for more than 15 days, please contact the electrical operator for testing (insulation) before starting.

8. After the new pump or overhauled pump is put into operation (2 weeks), the oil should be changed once if it is lubricated by oil, and the oil should be replenished once for solid oil lubrication, and the oil should be changed every (3 months) thereafter. Finish.

9. The main factors affecting the operation of the filter are backwash time, intensity, (filtration rate) and (uniformity of water flow).

10. The main factors affecting the coagulation treatment effect are: water temperature, PH value of water, (dosing amount) raw water quality and contact medium, etc.

11. The amount of resin charged in the exchanger is usually calculated by multiplying the volume of the resin charged in the exchanger with the (wet apparent density).

12. Filtration can be divided into (mechanical filtration) and (adsorption filtration).

13. When the reverse osmosis influent water temperature is high, the desalination rate will (decrease) and the recovery rate will (increase); when the influent water temperature is low, the recovery rate will (decrease).

14. (Pneumatic diaphragm valve) is composed of two parts: diaphragm valve and pneumatic actuator.

15. The key reason for the poor regeneration of the mixed ion exchanger is the poor effect (backwashing and stratification)

16. As the temperature and pressure of the water increases, the amount of air dissolved in the water will (reduce).

17. When the amount of (chlorine) contained in the water is large, it will cause adverse effects on the cation exchange resin.

18. Chemical oxygen consumption is an indicator used to express (organic matter concentration) in water.

19. It is (strong base anion resin) that can effectively remove silicon compounds in water.

20. After the resin is dehydrated, it should be treated with (10% salt water immersion.).

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