Open AccessEnergy analysis of products and processes in a sanitary landfill
Author(s) -
Pereira Nascimento Dayse,
Menezes Valeska L.,
Carvalho Monica,
Chacartegui Ricardo
Publication year - 2019
Publication title -
iet renewable power generation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.005
H-Index - 76
ISSN - 1752-1424
DOI - 10.1049/iet-rpg.2018.5777
Subject(s) - cogeneration , leachate , waste management , landfill gas , biogas , electricity generation , environmental science , electricity , municipal solid waste , environmental engineering , engineering , power (physics) , physics , electrical engineering , quantum mechanics
The potential energy uses of landfill gas (LFG) are investigated herein, focusing on electricity generation and leachate evaporation. LFG generation is estimated with the application of the GasSim method, using real data on the municipal solid waste disposal at the Metropolitan Sanitary Landfill of João Pessoa (Northeast Brazil). The results show significant LFG generation, with an estimated peak production of 11,277.28 t in 2028, and LFG generation until 2042. Commercially available biogas‐operated equipment were analysed for electricity production in situ, considering production and operation restrictions at the landfill. It was verified that after 2018, a cogeneration facility can generate electricity and the available heat is sufficient to evaporate leachate. Positive net economic results are obtained, with an internal rate of return over 30% after 26 years, demonstrating that the cogeneration facility is profitable and self‐sustainable.