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Water-reactive substances[ 1] are those that spontaneously undergo a chemical reaction with water, as they are highly reducing in nature. [ 2] Notable examples include alkali metals, lithium through caesium, and alkaline earth metals, magnesium through barium . Some water-reactive substances are also pyrophoric, like organometallics and ...
Conservation and restoration materials. There are a number of very specific materials that are used in the conservation and restoration of leather. [12] Aluminum alkoxide – 1% in white spirit, used as a chemical restabilizing retanning agent for red rot leather. Bavon ASAK ABP – leather lubricating compound.
Stripping (chemistry) Stripping is a physical separation process where one or more components are removed from a liquid stream by a vapor stream. [ 1] In industrial applications the liquid and vapor streams can have co-current or countercurrent flows. Stripping is usually carried out in either a packed or trayed column.
Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment. Water treatment removes contaminants and undesirable ...
Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...
Advanced oxidation processes (AOPs), in a broad sense, are a set of chemical treatment procedures designed to remove organic (and sometimes inorganic) materials in water and wastewater by oxidation through reactions with hydroxyl radicals (·OH). [1]
Infobox references. Aluminium sulfate is a salt with the formula Al 2 (SO 4) 3. It is soluble in water and is mainly used as a coagulating agent (promoting particle collision by neutralizing charge) in the purification of drinking water [ 3][ 4] and wastewater treatment plants, and also in paper manufacturing.
Sodium silicate is a generic name for chemical compounds with the formula Na 2x Si y O 2y+x or (Na 2 O) x · (SiO 2) y, such as sodium metasilicate Na 2 SiO 3, sodium orthosilicate Na 4 SiO 4, and sodium pyrosilicate Na 6 Si 2 O 7. The anions are often polymeric. These compounds are generally colorless transparent solids or white powders, and ...