phosphatic slag

1 definition found

phosphatic slag - Collaborative International Dictionary of English v.0.48 :

  Basic slag \Basic slag\
     A by-product from the manufacture of steel by the basic
     process, used as a fertilizer. It is rich in lime and
     contains 14 to 20 per cent of phosphoric acid. Called also
     Thomas slag, phosphatic slag, and odorless phosphate.
     [Webster 1913 Suppl.]