Food & garden ‐ n°4
Title Life cycle assessment of energy from solid waste
Year 2000
Author Finnvenden et al
Case
Material composition
Sub‐scenario Incineration Landfilling Composting Anaerobic Digestion 1Anaerobic Digestion 2
Virgin material
Material marginal: which? / / fertiliser fertiliser fertiliser
Electricity marginal: which? / / fertiliser fertiliser fertiliser
Heat marginal: which? / / fertiliser fertiliser fertiliser
Co‐products dealt with? / / fertiliser fertiliser fertiliser
Recovered material
Material marginal: which? / / Compost Compost Compost
Electricity marginal: which? Hard coal Hard coal Hard coal Hard coal Hard coal
Heat marginal: which? Forest residues Forest residues Forest residues Forest residues Forest residues
Co‐products dealt with? /////
Material recovery included? Yes Yes Yes Yes Yes
Type of recycling /////
In which ratio does recycled material substitute virgin
material? 1:1 1:1 1:1 1:1 1:1
General
Technology
Infrastructures taken into account? NoNoNoNoNo
Transport included? Yes Yes Yes Yes Yes
Energy production
Produced energy substitutes electricity? Yes Yes Yes Yes fuel for vehicles
Produced energy substitutes heat? Yes Yes Yes Yes fuel for vehicles
Avoided processes ‐ credits energy energy compost energy/compost energy/compost
Material substitutes / / / compost compost
Carbon sequestration issue taken into account?NoNoNoNoNo
Waste characteristics
Heating value / / / /
Degradation rate (over 100 years) ////
Incineration
Alternative use of incineration capacity included?NoNoNoNoNo
Composting
Compost spreading for composting taken into
account? /////
Compost leaching after spreading taken into account?/////
Carbon binding of compost included? / / No No No
% of carbon remaining in compost after 100 uears / Modeled Modeled / /
Landfill
Methane emissions included? / YesYesYesYesMaterial
productionMaterial
recoveryMaterial
disposal4[FW] (FW= Food Waste)
Food Waste