Rio de Janeiro GHG Emissions Inventory and Climate Change Mitigation Opportunities

Centro Clima CENTRO DE ESTUDOS INTEGRADOS SOBRE MEIO AMBIENTE E MUDANÇAS CLIMÁTICAS Investment Opportunities in Brazilian Cities Waste Management (2) ✔Biogas upgrade: replacement of natural gas by biomethane. Total mitigation potential (2020 - 2050): Reference Scenario: 240.8 MtonCO2e = 8.6 Mt CH 4 Mitigation Scenario: 708.4 MtonCO₂e = 25.3 Mt CH Plus avoided emissions by the use of biomethane in industry Biogas refinery costs (revenues of biomethane sales not included): 200t/day - Capex USD 2.5 million - Opex USD 8.3 million (20 year lifespan) 2000 t/day - Capex USD 15.7 million - Opex USD 53.2 million (20 year lifespan)

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