Sewage to Biomethane: São Paulo's Potential

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Discover how sewage treatment can generate biomethane and replace natural gas in São Paulo. This study showcases the energy potential and environmental benefits of this innovation. Learn more about this scientific research and its implications for a sustainable energy matrix.

Sewage to Biomethane: São Paulo's Potential
Scientific Disclosure Wednesdays

Substitution of Natural Gas by Biomethane

The research focuses on sewage treatment: optimizing potential in the State of São Paulo, Brazil

Article Summary 

The article "Replacing Natural Gas with Biomethane from Sewage Treatment: Optimizing the Potential in São Paulo State, Brazil" was authored by Renato N.d.S., Oliveira A.C.L.d., Ervilha A.M.T., Antoniazzi S.F., Moltó J., Conesa J.A., and Borges A.C. The institutions of the authors were not specified in the provided summary.


O artigo foi escrito pelos (as) autores (as):

  • Natalia dos Santos Renato,
  • Augusto Cesar Laviola de Oliveira,
  • Amanda Martins Teixeira Ervilha,
  • Sarah Falchetto Antoniazzi,
  • Julia Moltó,
  • Juan Antonio Conesa,
  • Alisson Carraro Borges.


Published in Energies on March 30, 2024, the study aimed to estimate the energy potential of sewage generated in the Brazilian state of São Paulo by utilizing it for biomethane production. The research also assessed the viability of using biomethane as a substitute for natural gas to reduce CO2 emissions and transition towards a more sustainable energy matrix.


The methodology involved gathering data on population, GDP per capita, sewage collected, and natural gas consumption for each of the 645 cities in São Paulo State. Lower heating values, specific mass, and CO2 emission factors for natural gas and purified biomethane were utilized for calculations.

Key Findings

The key findings highlighted the significant potential of biomethane produced from sewage treatment as a feasible alternative to natural gas, with positive impacts on greenhouse gas emission reduction and the shift towards cleaner and renewable energy sources.


In conclusion, the study emphasized the importance and feasibility of utilizing biomethane from sewage treatment as an effective strategy to mitigate CO2 emissions and promote energy sustainability. It underscored the need for targeted policies and investments to expand this practice in São Paulo State and beyond.

Access to the full article

Bibliographic Reference

RENATO, Natalia dos Santos et al. Replacing Natural Gas with Biomethane from Sewage Treatment: Optimizing the Potential in São Paulo State, Brazil. Energies, v. 17, n. 7, p. 1657, 2024. DOI: 10.3390/en17071657   

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