In recent years, sequencing batch reactor (SBR) has been
employed as an effective technology for industrial and municipal
wastewater treatment, because of its simple single tank configuration
and high efficiency in BOD and SS removal (89e98% and
85e97%, respectively) (Mahvi, 2008). SBR is an improved version of
activated sludge system and the term SBR stems from the sequence
of its steps which occur within the same vessel: filling, aeration,
settling and decantation. Its design is simple yet produces high
quality effluent, since the system acts as an equalization tank,
reactor as well as a clarifier. The flexibility in operation reduces
costs without sacrificing effluent quality
In recent years, sequencing batch reactor (SBR) has beenemployed as an effective technology for industrial and municipalwastewater treatment, because of its simple single tank configurationand high efficiency in BOD and SS removal (89e98% and85e97%, respectively) (Mahvi, 2008). SBR is an improved version ofactivated sludge system and the term SBR stems from the sequenceof its steps which occur within the same vessel: filling, aeration,settling and decantation. Its design is simple yet produces highquality effluent, since the system acts as an equalization tank,reactor as well as a clarifier. The flexibility in operation reducescosts without sacrificing effluent quality
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