Which major industries are responsible for water pollution?
OR
How are industries responsible for polluting freshwater? Suggest any three measures to reduce the water pollution.
OR
How are industries responsible for polluting freshwater? Suggest any three measures to reduce the water pollution.
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Water pollution is caused by organic and inorganic industrial wastes and affluents discharged into rivers. The main culprits in this regard are paper, pulp, chemical, textile and dyeing, petroleum refineries, tanneries and electroplating industries that let out dyes, detergents, acids, salts and heavy metals like lead and mercury pesticides, fertilisers, synthetic chemicals with carbon, plastics and rubber, etc. into the water bodies. Fly ash, phospo- gypsum and iron and steel slags are the major solid wastes in India.
Measures to reduce the water pollution:
Measures to reduce the water pollution:
- Minimising use water for processing by reusing and recycling it in two or more successive stages.
- Harvesting of rainwater to meet water requirements.
- Treating hot water and effluents before releasing them in rivers and ponds.
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