De-Scaling Solution for Distilled water Plant application | The Chemicals Man

Distilled water is water that has been boiled into vapor and condensed back into liquid in a separate container. Impurities in the original water that do not boil below or near the boiling point of water remain in the original container. Thus, distilled water is one type of purified water.

In chemical and biological laboratories, as well as in industry, cheaper alternatives such as deionised water are preferred to distilled water. But if these alternatives are not pure enough, distilled water is used. If exceptionally high purity water is required, double distilled water is used.

In general, non-purified water could cause or interfere with chemical reactions as well as leave mineral deposits after boiling away. One method of removing impurities from water and other fluids is distillation.

For example, ions commonly found in tap water would drastically reduce lifespans of lead–acid batteries used in cars and trucks. These ions are not acceptable in automotive cooling systems because they corrode internal engine components and deplete typical antifreeze anti-corrosion additives.

Any non-volatile or mineral components in water are left behind when the water evaporates or boils away. Water escaping as steam, for example from a boiler of heating system or steam engine, leaves behind any dissolved materials leading to mineral deposits known as boiler scale.

A boiling water distiller. Boiling tank on top and holding tank on the bottom.

Low-volume humidifiers such as cigar humidors can use distilled water to avoid mineral deposits.

Certain biological applications require controlled impurities, especially in experiments. For example, distilling water to be added to an aquarium would remove known and unknown non-volatile contaminates. It should be noted that living things require specific minerals; adding distilled water to an ecosystem, such as an aquarium, would reduce the concentration of these minerals. Fish and other living things that have evolved to survive in lakes and oceans should be expected to thrive at mineral ranges found in their original habitat.

Controlled impurities as well as equipment reliability are critically important in medical applications where, for example, distilled water is used in Constant Positive Airway Pressure (CPAP) machines to humidify air for breathing. Distilled water will not leave contaminants behind when the humidifier in the CPAP machine evaporates the water.

A descaling agent or chemical descaler is a chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles. Descaling agents are typically acidic compounds such as hydrochloric acid that react with the alkaline carbonate compounds present in the scale, producing carbon dioxide gas and a soluble salt. Strongly acidic descaling agents are often corrosive to the eyes and skin.

Demineralization ( DM ) Water Treatment Plants Demineralization is the process of removing mineral salts from Water by using the ion exchange process.Demineralised Water is Water completely free ( or almost ) of dissolved minerals as a result of one of the following processes :

Distillation
Deionization
Membrane filtration (reverse osmosis or nanofiltration)
Electrodyalisis
Or other technologies.

Demineralized Water also known as Deionized Water, Water that has had its mineral ions removed. Mineral ions such as cations of sodium, calcium, iron, copper, etc and anions such as chloride, sulphate, nitrate, etc are common ions present in Water. Deionization is a physical process which uses specially-manufactured ion exchange resins which provides ion exchange site for the replacement of the mineral salts in Water with Water forming H+ and OH- ions. Because the majority of Water impurities are dissolved salts, deionization produces a high purity Water that is generally similar to distilled Water, and this process is quick and without scale buildup. De-mineralization technology is the proven process for treatment of Water. A DM Water System produces mineral free Water by operating on the principles of ion exchange, Degasification, and polishing. Demineralized Water System finds wide application in the field of steam, power, process, and cooling.

Major Applications 

• Boilers feed Water, Textiles, Pharmaceuticals, Chemicals, Breweries, Swimming pools, Potable Water, Hospitals, Automobile, and Battery, Fertilizers.
• Ion Exchange Plants

- Softener
- Industrial DM Plant
- Two Stage & Multi Stage DM Plants
- Mix Bed Demineraliser

- De-Gasifiers
- Cation Polisher
- Manual/Automatic Plants
- Pharmaceutical Industry

- Power Plant
- Oil & Gas sector
- Chemical Industries
- Textile Industries