A pressure or gravity filter designed to physically separate and remove suspended solids from a liquid by mechanical (physical) means rather than by chemical means.
Greensand which has been processed to incorporate the higher oxides of manganese into its pores and on its surface. The product has a mild oxidizing power, […]
An element sometimes found dissolved in ground water, usually with – but in lower concentrations than – iron. Manganese causes black stains and other problems similar […]
The basic international metric unit of volume measure; 3.785 liters equal 1 U.S. gallon; 1 liter of water weighs 1000 grams at 4° Celsius at standard […]
A term applied to a family of straight chain chemical compounds, widely used as detergents; sometimes called “soft” detergents because they are more readily degraded to […]
