Laundry aids: bleaches

In general, laundry aids contribute to the effectiveness of laundry detergents and provide unique functions. Laundry aids include builders, bleaches, enzymes, fabric softeners, and optical whiteners. 

Silicates are often used to protect bleaches such as iso-cyanuric acid ( 3) from unwanted reactions. Bleaches are widely used in European detergents and domestic laundry aids. One patent (23) claims that sodium percarbonate particles sprayed with a silicic acid sol have a longer shelf life than untreated particles in detergents. It appears likely that some protective action is due to silicate - heavy metal interactions. 

Borax is used in laundry detergents and bleaches. It releases hydrogen peroxide when it reacts with water. Hydrogen peroxide acts as a bleach, and its action is aided by the alkaline solution also produced by the reaction. 

Use Laundry, dairy, and metal cleaning floor cleaning base for detergent formulations bleaching aid deinking paper. Also available as the pentahydrate whose properties are mp 72.2C, total Na.O content... 

Small amounts of HCN can be disposed of most conveniently be conversion to cyanide and oxidation to relatively innocuous cyanate with the aid of sodium hypochlorite (commercial laundry bleach) [121]. The cyanate can be further processed to anunonia and carbon dioxide by addition of sulfuric acid to pH 7, according to ... 

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