_________ is accomplished by the replenishment of oxygen lost to bacterial degradation of organic waste.

Related MCQs

• What is the maximum time required for ozone degradation?
• The optimum temperature for bacterial activity is in what range?
• Waste water released from _________ are not the sources of bacteria.
• Which chemical is used for the titration of waste water for finding its chloride content?
• The organic matter present in the water is of __________ types.
• In which of the following treatment involve oxidation of organic constituents of the wastewater?
• What are the byproducts of the breakdown of the organic compounds by UV rays?
• The temperature of sewage increases. What will be the effect on the dissolved oxygen in sewage?
• What is the minimum quantity of dissolved oxygen that should be present in the treated sewage?
• The maximum quantity of dissolved oxygen present in wastewater is called __________