This article throws light upon the nine main types of harmful effluents discharged from industries. The types are: 1. Acids 2. Discharge of Nitrogen Dioxide 3. Alkalies 4. Pesticides 5. Toxic Chemical 6. Fluorides 7. Toxic Metals 8. Fertilizers 9. Oil. Harmful Effluent # 1. Acids: Various acid manufacture industries discharge acidic effluent which not only make the land infertile [...]
This article throws light upon the top six types of chemical industries. The types are: 1. Inorganic and Organic Chemical Industries 2. Fertilizer Industries 3. Refineries and Petroleum Industry 4. Pesticide Industries 5. Electroplating and Heat Treatment Industries 6. Hydro-Generated Oil and Soap Industries. Chemical Industries: Type # 1. Inorganic and Organic Chemical Industries: (I) Inorganic: Manufacturing of acids, alkalies, [...]
In this article we will discuss about the water intensive industries. Major Water Intensive Industries: (i) Tanneries: The various processes employed at tanneries are: (a) Soaking (b) Liming and removal of hair, (c) De-liming; (d) Bating (e) Pickling (f) Tanning (vegetable and chrome) and (g) Finishing (fat liquoring and dyeing). The quantity of waste-water let out from Indian tanneries works [...]