Direct sulphidization fuming of zinc
Direct thermal reduction of alumina silicate ores
Discharge of solid by-products separated from chlorination...
Discharge of solids precipitated from chlorination gases
Disintegration of scrap alloys to facilitate recovery of...
Disposal method for organic and inorganic nonmetallic...
Disposal of electrical and electronic equipment
Dissolution method of co precipitate with acid
Dissolution of cobaltic hydroxide with organic reductant
Dissolution of copper
Dissolution of metallic copper
Dissolution of metals
Dissolving values of platinum group metals from ores and...
Distillation
Distillation and condensation apparatus
Distillation of metal chlorides
Distillation of metals
Distillation process for separating silver and copper chlorides
Distillation-liquation process and apparatus
Distribution of pellets