Product Details

DM Water Plant

Description

A DM Water Plant (Demineralization Water Plant) is a water treatment system designed to remove all dissolved salts, minerals, and ionic impurities from raw water, producing highly purified water. This type of plant is widely used in industries where extremely low conductivity water is required, such as power plants, boilers, pharmaceuticals, chemicals, electronics manufacturing, laboratories, and process industries.

The working principle of a DM Water Plant is based on ion exchange technology. In this process, raw water is passed through two main resin columns: a cation exchanger and an anion exchanger. The cation resin removes positively charged ions such as calcium, magnesium, sodium, and potassium by replacing them with hydrogen ions. The anion resin removes negatively charged ions such as chloride, sulfate, and bicarbonate by replacing them with hydroxide ions. The hydrogen and hydroxide ions combine to form pure water (H₂O), resulting in completely demineralized water.

A DM Water Plant typically consists of several important components, including a raw water feed pump, pressure sand filter, activated carbon filter, cation exchange vessel, anion exchange vessel, mixed bed unit (in advanced systems), chemical dosing system, resin bed, conductivity meter, control valves, piping system, and storage tank. The pre-treatment stage is essential to remove suspended solids, chlorine, and organic matter to protect the ion exchange resins and improve system efficiency.