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What types of impurities are removed in a DM water plant?
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Solid, liquid, and gas impurities.
Why is the cation exchanger used first in the DM water plant process?
To lower pH and easily remove carbonates.
How does a degasser function in a DM water plant?
It removes CO2 and reduces CO2 levels in water after the cation exchanger.
What is the primary purpose of a DM water plant?
To remove impurities from water.
What is the function of an anion exchanger in a DM water plant?
To remove anions using anion resin.
What could happen if the mixed bed is not used effectively in the anion exchanger?
Silica slip may occur, leading to incomplete impurity removal.
What is the purpose of using a mixed bed in the anion exchanger?
To prevent silica slip by combining anion and cation resins to remove remaining impurities.
What is the outcome of the DM water plant process?
The water is purified and made usable.
What role does backwashing play in a DM water plant?
It separates and regenerates cation and anion resins.
How does the DM water plant ensure its ongoing efficiency?
By properly regenerating the resin.
What is involved in the regeneration process of a DM water plant?
Resin is treated with an acid or base solution, and wastewater is sent to the ETP.
Why is the large surface area of the cation resin important?
It enhances the absorption of cation ions during the ion exchange process.
How does a cation exchanger work in the ion exchange technique?
It removes cations using cation resin with a large surface area, where cation ions are absorbed.
What does ETP stand for and its role in the DM water plant context?
ETP stands for Effluent Treatment Plant, which treats the wastewater from the regeneration process.
What is the role of the pre-treatment stage in a DM water plant?
To remove suspended and colloidal solids, and extract liquid impurities.
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