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Environmental Engineering
Rotating Biological Contactor
Rotating biological contactors harness microbial films on spinning discs to purify wastewater efficiently
1 Feb 2026
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What is the primary function of the rotating discs in a rotating biological contactor system?
To mechanically filter out suspended solids from the wastewater
To provide a surface for microbial biofilm growth that degrades pollutants in wastewater
To chemically neutralize harmful substances in the wastewater
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ENGINEERING
Environmental Engineering
Rotating Biological Contactor
Rotating biological contactors use rotating discs to harness microorganisms for efficient wastewater treatment
22 Jan 2026
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What is the primary function of the rotating discs in a rotating biological contactor system?
To provide a surface for microorganisms to grow and degrade pollutants in wastewater
To mechanically filter out grit and suspended solids from the wastewater
To aerate the wastewater by injecting air into the system
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