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Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners. Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated salt solution - NaCl. In the case of a water softener, the cation exchange resin is exchanging sodium (the Na + ion of NaCl) for hardness minerals such as ...
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions. Soft water also extends the lifetime of plumbing by reducing or eliminating scale build-up in pipes
Calgon is a brand of water softener products owned by the Anglo-Dutch company Reckitt Benckiser. ... In Italy, Calgon was called Calfort from 1965 to early 2008. [2]
Ethylenediaminetetraacetic acid (EDTA), also called EDTA acid, is an aminopolycarboxylic acid with the formula [CH 2 N(CH 2 CO 2 H) 2] 2. This white, slightly water-soluble solid is widely used to bind to iron (Fe 2+ /Fe 3+) and calcium ions (Ca 2+), forming water-soluble complexes even at neutral pH. It is thus used to dissolve Fe- and Ca ...
Fluorescent and halogen-produced light can also produce large amounts of UV radiation, though filters which fit over the bulbs are available to limit the damaging light. [3] These filters are typically replaced when the bulbs are changed. One advantage of fluorescent lights is that they produce little heat, which may also be harmful to textiles.
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In Blake Lively’s bombshell sexual harassment complaint against Justin Baldoni, the fixers are now part of the problem. On top of the laundry list of accused misconduct on the set of the film ...
A 230-volt incandescent light bulb. Thomas Edison did not invent the light bulb. [ 417 ] The team of inventors Edison employed at his laboratories in Menlo Park, New Jersey did, however, develop the first practical light bulb in 1880 (employing a carbonized bamboo filament), shortly prior to Joseph Swan , who invented an even more efficient ...
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