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प्रश्न
Explain the methods of controlling water pollution.
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उत्तर
Methods of controlling water pollution:
- Control of water pollution can be done by properly handling of sewage waste.
- Use drilling fluids which are biodegradable and have low aquatic toxicity.
- Develop better pollution control measures which include removal of oil, dispersing oil, removing oil clumps.
- Oil and grease are removed from industrial waste by oil-water separators.
- Acid and alkalies are neutralized.
- Organic materials in waste water are removed by distillation adsorption.
- Biodegradable organics are removed by
(a) Activated sludge process (anaerobic biochemical process)
(b) Biological trickling filter process.
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