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प्रश्न
Answer the following question.
What are ‘flocs’, formed during secondary treatment of sewage?
उत्तर
Flocs are masses of bacteria associated with fungal filaments and they are helpful in increasing the decomposition rate and they are put in the aeration tank while secondary sewage treatment is in process.
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संबंधित प्रश्न
What is sewage? In which way can sewage be harmful to us?
Name the chamber in which the suspended objects are filtered and removed during sewage treatment?
Which of the following is TRUE about primary treatment?
Which of the following occurs during secondary 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.
After which of the following treatment BOD of the effluent is significantly reduced?
During sewage, treatment biogas is produced wits which include:
What is the group of bacteria found in both the rumen of cattle and shidge of sewage treatment?
Given below is the flowchart of sewage treatment. Identify A, B, C, D and E and select the correct option.
After a significant reduction in the BOD of wastewater, it is passed into a settling tank where bacterial flocs are allowed to sediment. This sediment is called ______.
