Abstract

MUNOZ PAREDES, Juan Fernando  and  RAMOS RAMOS, Mauricio. SEQUENTIAL BATCH REACTORS: A VERSATILE TECHNOLOGY FOR WASTEWATER TREATMENT. Cienc. Ing. Neogranad. [online]. 2014, vol.24, n.1, pp.49-66. ISSN 0124-8170.

Interest in eliminating sewage polluting agents has increased in recent years. There is a constant search for new and better designs that allow reliable, affordable, and more efficient treatment systems implementation. This has been a challenging task due to the different characteristics and composition of wastewaters that need to be treated and, especially, to the variety of regulations that different countries set up in terms of environmental control. Research on the fields of engineering and environmental sciences has granted the development of sequential batch reactors (SBR) technology as a variation of the common activated sludge processes in order to eliminate the organic matter and nutrients in sewage sludge. This review article describes the importance of these types of systems, taking into account the treatment generalities, such as the system technical description, the most important operation parameters, the biological mechanism of the elimination process, and the different changes to the original design. Finally, it was found that this kind of system, compared to the conventional ones, is highly useful and offers numerous advantages in the elimination of organic matter and nutrients, as well as in the treatment of large quantities of both domestic and industrial sewage.

Keywords : nutrients; reactor; elimination; SBR technology.

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