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, [...]
This article throws light upon the three ways of treatment of industrial effluents. The ways are: 1. Primary Treatment 2. Secondary Treatment 3. Tertiary Treatment. Way # 1. Primary Treatment: It is of general nature and is used for removing suspended solids, odour, colour and to neutralize the high or low pH. It involves methods of: (i) Screening (ii) Neutralization [...]