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प्रश्न
Discuss about the major programs that the Ministry of Environment and Forests, Government of India, has initiated for saving major Indian rivers from pollution.
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उत्तर
The untreated sewage is often discharged directly into rivers leading to their pollution and increase in water-borne diseases. The Ministry of Environment and Forests has initiated Ganga Action Plan and Yamuna Action Plan to save these major rivers of our country from pollution. Under these plans, it is proposed to build a large number of sewage treatment plants so that only treated sewage may be discharged into the rivers.
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संबंधित प्रश्न
Explain the function of “anaerobic sludge digester” in a sewage treatment plant.
What is the key difference between primary and secondary sewage treatment?
Name the tank to which the sewage water is passed after the preliminary treatment?
Small part of activated sludge is passed back into primary sedimentation tank.
If the above statement is correct then rewrite as it is and in case it is incorrect then reframe it.
Which of the following is TRUE about primary treatment?
Identify the type of microorganisms involved in floe formation during sewage treatment.
Study the following statements regarding tertiary treatment of sewage and choose the correct option.
i. It produces methane gas.
ii. The effluents formed from these plants undergo chlorination.
iii. BOD is significantly increased at this step.
iv. It includes screening and passage of effluent through grit chamber.
Which of the following is TRUE regarding 'Flocs'?
In the process of sewage treatment, the activated sludge is digested by ______
Wastewater treatment generates a large quantity of sludge, which can be treated by ______.
The primary treatment of waste water involves the removal of ______.
BOD of waste water is estimated by measuring the amount of ______.
Why are flocs important in biological treatment of waste water?
In what way anaerobic sludge digestion is important in sewage treatments?
Which one is wrongly matched?
Which of the following statement is correct for Sewage Treatment Plants (STPs)?
Explain the steps involved in preliminary treatment of sewage.
Removal of suspended, floating, coarse and solid particles in sewage treatment is called ______.
Biochemical Oxygen Demand (BOD) serves as an indirect measure of which water quality parameter?
Which bacterium is an example of a methanogen commonly found in anaerobic sludge during sewage treatment?
