Abstract

ROJAS REMIS, Rebeca  and  MENDOZA ESPINOSA, Leopoldo G. Use of biosolids for energetic recovery in México. Rev. P+L [online]. 2012, vol.7, n.2, pp.74-94. ISSN 1909-0455.

The population increase in Mexico has demanded an increase of the drinking water and sewer nets. This has brought the construction of waste water treatment plants (WWTP), a fact that has generated more waste water treatment and, at the same time, an increase of the waste sludge produced. Waste sludge is an environmental problem given the quantities, volumes and contamination it generates. Sludge can be used to produce electric energy, though, by the use of anaerobic digestion systems. For instance Mexico alone generates about 640.000 tons of waste sludge a year. The scope of this article is to analyze from an interdisciplinary viewpoint, at a world scale, the use of biosolids to produce energy and be the basis to develop such type of projects in Mexico.

Keywords : Waste sludge; methane gas; anaerobic digestion; energy generation.

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