Potencial de recuperación de energía de una planta de tratamiento de aguas residuales (Potential For Energy Recovery From A Wastewater Treatment Plant)

Edgar Caceres (edgaringeniero@hotmail.com)1, Juan Jose Alca (jalcam@unsa.edu.pe)1

1Universidad Nacional de San Agustín

This paper appears in: Revista IEEE América Latina

Publication Date: July 2016
Volume: 14,   Issue: 7 
ISSN: 1548-0992

The potential for energy recovery from a wastewater treatment plant in Peru was estimated and described in this paper. The thermal and electrical energy were obtained from a calculation methodology using wastewater characteristics and an established design data set including efficiencies for the combined heat and power unit (CHP). The organic load rate was 3.98 kg VS/m³ day, the estimated electrical power was 241.7 kW and the estimated thermal power was 309.4 kW. After the upgrading and modification of the plant it will be electrically self-sufficient and could even to sell the excess of electricity to the grid. The co-digestion of others substrates is suggested to improve the production of biogas and the free volume of the digesters.

Index Terms:
renewable energy, energy efficiency, combined heat and power, WWTP, biogas   

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