Household rubbish disposal - by grinding into powder and using in building agriculture etc

摘要

Ferrous metals glass and plastics are removed from household waste. It is then crushed to 1mm particles. The product is used in industry for the manufacture of panels, with a plaster coating, for fining cement to improve sound-deadening and for the prodn of macadam, with a coating of grit and bitumen. In agriculture, it forms an improved humus.