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remove hardness of water

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  • Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …   Wikipedia

  • Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …   Wikipedia

  • Hard water — is the type of water that has high mineral content (in contrast with soft water ). Hard water minerals primarily consist of calcium (Ca2+), and magnesium (Mg2+) metal cations, and sometimes other dissolved compounds such as bicarbonates and… …   Wikipedia

  • Purified water — Bottle for Distilled water in the Real Farmacia in Madrid Purified water is water from any source that is physically processed to remove impurities. Distilled water and deionized (DI) water have been the most common forms of purified water, but… …   Wikipedia

  • Dealkalization of water — The dealkalization of water refers to the removal of alkalinity ions from water. Chloride cycle anion ion exchange dealkalizers remove alkalinity from water. Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners. Like …   Wikipedia

  • hard water — water that contains magnesium, calcium, or iron salts and therefore forms a soap lather with difficulty. * * * Water that contains mineral salts of calcium and magnesium, principally as bicarbonates, chlorides, and sulfates, and sometimes iron.… …   Universalium

  • Carbonate hardness — is the measure of Calcium and Magnesium and other hard ions associated with carbonate (CO32 ) and bicarbonate (HCO3 ) ions contained in a solution, usually water. It is usually expressed either as parts per million (ppm or mg/L), or in degrees… …   Wikipedia

  • Cold water pitting of copper tube — occurs in only a minority of installations. Copper water tubes are usually guaranteed by the manufacturer against manufacturing defects for a period of 50 years. The vast majority of copper systems far exceed this time period but a small minority …   Wikipedia

  • Soft water — the term used to describe types of water that contain few or no calcium or magnesium metal cations. The term is usually related to hard water , which does contain significant amounts of these ions.Soft water usually comes from peat or igneous… …   Wikipedia

  • Ion exchange — Ion exchanger Ion exchange resin beads …   Wikipedia

  • environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

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