Flue Gas Desulfurisation. The processes employed for the removal of gaseous sulfur dioxide from boiler exhaust gas at coal-fired electricity generating plants.
Fine ground limestone or dolomite stone. Used as a filler in asphalt, plastics, paint and paper, for example.
Flocculation is a process where a solute comes out of solution in the form of floc or flakes. Flocculation and sedimentation are widely employed in the purification of drinking water as well as sewage treatment and treatment of other industrial wastewater streams.
Fluxing lime is lump or pebble quicklime used for fluxing in steel manufacture, or the term may be applied more broadly to include fluxing of nonferrous metals and glass. It is a type of chemical lime.