Sources of Industrial Pollution
| Type of Industry |
Inorganic Pollutants |
Organic Pollutants |
| Chemical plants |
Various acids and alkalies, Chlorides, sulphates nitrates of metals, phosphorus, fluorine, silica and suspended particles |
Aromatic compounds solvents organic acids, nitro compounds dyes etc. |
| Detergent and soap |
Tertiary ammonium compounds alkalies |
Fats and fatty acids, glycerol polyphosphates, sulphonated hydrocarbons |
| Food processing |
-- |
Highly putrescible organic matter and pathogens |
| Iron and steel |
Suspended solids, iron cyandies |
Thiocyanate, sulphides, oxides of copper, chromium, cadmium and mercury |
| Mining |
Mine wastes: Chlorides, various metals, ferrous sulphate, sulphuric acid, hydrogen sulphide ferric hydroxide, surface wash offs, suspended solids, chlorides and heavy metals. |
-- |
| Paper and pulp |
Sulphides, bleaching liquors. |
Cellulose fibers, bark, wood sugars, organic acids. |
| Pharmaceuticals |
-- |
Protein, carbohydrates organic solvents, intermediate products |
|
