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'''An Anaerobic Baffled Reactor (ABR) is an improved septic tank because of the series of baffles over which the incoming wastewater is forced to flow. The increased contact time with the active biomass (sludge) results in improved treatment.'''
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! width="50%" style="background:#efefef;" | Advantages
! style="background:#ffdeadf0f8ff;" | Disadvantages
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| valign="top" |- Resistant to organic and hydraulic shock loads. <br>
===Adequacy===
This technology is easily adaptable and
the efficiency will be affected in colder climates.
===Health Aspects/Acceptance===
Although the removal
tank should be vented.
===Maintenance===
ABR tanks should be checked to
truck to ensure proper functioning of the ABR.
===References===
* Bachmann, A., Beard, VL. and McCarty, PL. (1985). Performance Characteristics of the Anaerobic Baffled Reactor. Water Research 19 (1): 99–106.
* Sasse, L. (1998). DEWATS: Decentralised Wastewater Treatment in Developing Countries. BORDA, Bremen. Overseas Research and Development Association, Bremen, Germany. (Design summary including and Excel®-based design program.)
===Acknowledgements===
{{:Acknowledgements Sanitation}}