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An SBR in the Philippines. Sequencing batch reactors (SBR) or sequential batch reactors are a type of activated sludge process for the treatment of wastewater.SBRs treat wastewater such as sewage or output from anaerobic digesters or mechanical biological treatment facilities in batches.
One type of system that combines secondary treatment and settlement is the cyclic activated sludge (CASSBR), or sequencing batch reactor (SBR). Typically, activated sludge is mixed with raw incoming sewage, and then mixed and aerated. The settled sludge is run off and re-aerated before a proportion is returned to the headworks. [19]
SBR Reactor, with aerobic granules. Granular sludge biomass is developed in sequencing batch reactors (SBR) and without carrier materials. These systems fulfil most of the requirements for their formation as:
Sequencing batch reactor (SBR) method is completed in a single reactor where several treatment steps occur in a sequence, where the treated water is removed before the cycle begins again. [14] Large diameter submersible mixers are commonly used as a method for mixing in these systems.
Activated sludge tank at Beckton sewage treatment plant, UK.The white bubbles are due to the diffused air aeration system. The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa.
OPG have been applied in turbulently mixed sequencing batch reactors SBR and in high rate algal pond. [12] Oxygenic photogranules have the ability to couple oxygen production through photosynthesis to conversion of organic matter into carbon dioxide by heterotrophs.