Ion-exchange adsorption is widely used for water softening and demineralization. Through what ionite columns should the water be passed for its demineralization?

Question

Accepted Answer

Through the cationite in the RH-form, and then through the anionite in the ROH-form

Answer

Through the anionite in the R2SO4-form, and then through the cationite in the ROH-form

Answer

Through the cationite in the RK-form, and then through the anionite in the ROH-form

Answer

Through the cationite in the RH-form, and then through the cationite in the RK-form

Answer

Through the anionite in the ROH-form, and then through the cationite in the R2Ca-form

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Ion-exchange adsorption is widely used for water softening and demineralization....

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