The act of reducing scale-forming calcium and magnesium impurities from water.


Related Terms

NITROGEN FIXATION

Conversion of atmospheric nitrogen into compounds such as ammonia, calcium cyanamide, or nitrogen oxides by chemical or electric-arc processes.

MOLL THERMOPILE

A thermopile used in some types of radiation instruments; alternate junctions of series-connected manganan-constantan molybdenum, added as ferromolybdenum or calcium molybdenum; increases strength, toughness, and wear resistance.

LIME KILN

Furnace-type apparatus, usually a long, tilted cylinder that is slowly rotated, used to heat calcium carbonate, CaCO3, above 900 C to produce lime.

CALCIUM

A scale forming element found in boiler feed water.

WATER SOFTENER

A device or system used to remove calcium and magnesium hardness minerals from a water supply.

ZEOLITE

A natural mineral (hydrous silicates) that has the capacity to absorb hardness, calcium, and magnesium ions from water.

SCALE CAUSING ELEMENTS

Calcium and magnesium elements forming scale.

CALCAREOUS

Containing or composed of calcium or one of its compounds

HARD WATER

Water which contains calcium or magnesium in an amount which requires an excessive amount of soap to form a lather.

HARDNESS

A measure of the amount of calcium and magnesium salts in boiler water . Usually expressed as grains per gallon or parts per million as CaCO2

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