________ combines aeration basin and secondary clarifier into single unit.

Related MCQs

• When the aeration system shuts off, the basin begins to perform as a ______
• Sludge from the primary clarifier is ______
• Activated sludge usually employs an aeration period of ________________
• What is the expected BOD removal after both primary and secondary treatment?
• What is the monthly concentration of solids produced by secondary sewage effluent?
• The secondary clarifiers are ________
• The decomposition of the matter produces into ___________ and in presence of ____________
• The discharge of regulated chemicals into surface waters is controlled by __________
• When did CWA come into existence?
• Pollution enters into the water system in ___________ ways.