1.In grit and sand removal tank, sand and grit settle down slowly at the bottom of the tank as water passes slowly through this tank. The settles sand and impurities are removed from the tanks from time to time. Grit causes excessive wear and tear on pumps and other plant equipment.
2.Animal waste, oil and urea are some of the organic impurities present in sewage.
3.It is used for the disinfection of water in the treatment process. The chlorine released by the bleaching powder kills pathogens. The residual effect of this chlorine protects water from getting infected with pathogens.
1) The sand and grit removal tank helps to separate and remove solid particles like sand and grit from the sewage. It prevents these particles from causing blockages and damage to the downstream equipment.
2) Sewage contains various organic impurities such as bacteria, viruses, oils, fats, proteins, and other decomposable organic matter.
3) Bleaching powder is mixed with water to form a solution that can be used as a disinfectant. The water helps to dissolve the bleaching powder, releasing chlorine, which has strong disinfecting properties. This helps to kill bacteria, viruses, and other harmful microorganisms present in the water.
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1.In grit and sand removal tank, sand and grit settle down slowly at the bottom of the tank as water passes slowly through this tank. The settles sand and impurities are removed from the tanks from time to time. Grit causes excessive wear and tear on pumps and other plant equipment.
2.Animal waste, oil and urea are some of the organic impurities present in sewage.
3.It is used for the disinfection of water in the treatment process. The chlorine released by the bleaching powder kills pathogens. The residual effect of this chlorine protects water from getting infected with pathogens.
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Answer:
1) The sand and grit removal tank helps to separate and remove solid particles like sand and grit from the sewage. It prevents these particles from causing blockages and damage to the downstream equipment.
2) Sewage contains various organic impurities such as bacteria, viruses, oils, fats, proteins, and other decomposable organic matter.
3) Bleaching powder is mixed with water to form a solution that can be used as a disinfectant. The water helps to dissolve the bleaching powder, releasing chlorine, which has strong disinfecting properties. This helps to kill bacteria, viruses, and other harmful microorganisms present in the water.
Explanation:
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