Microsoft Word - Environmental benefits of recycling 2010 update.doc

(Jeff_L) #1
Plastics‐ n°3

Title Life Cycle Assessment of energy from solid waste
Year 2000
Author Finnveden


Case
Material composition
Sub‐scenario rejectedrecycling and(40% incinerated)^ of^ plastics^ incineration landfill
Virgin material
Material marginal: which? No inf. / /
Electricity marginal: which? electricity mix / /
Steam marginal: which? No inf. / /
Co‐products dealt with? No inf. / /
Recovered material
Material marginal: which? No inf. / /
Electricity marginal: which? coal power plants / /
Steam marginal: which? No inf. / /
Co‐products dealt with? No inf. / /
Material recovery included? Yes / /
Type of recycling Mechanical^ recycling,loop^ closed^ //
In which ratio does recycled material substitute
virgin material? 1//
General

Technology based on PET and HDPE data moderngas^ technology condensation^ with^ flue^

captation of 50% of the biogas,
treatment of 80% of the leakage
water
Infrastructures taken into account? No No No
Transport included? Yes Yes Yes
Energy production No Yes, used for district heating Yes,^ 60%^ heat,10%^ 30% lost^ electricity,^

Produced energy substitutes electricity? /

No (except that the gas from the
landfill of ashes is used to
produce electricity)

electricity from coal

Produced energy substitutes steam? / replaces^ residuesheat^ from^ forest^ replaces^ residuesheat^ from^ forest^

Avoided processes ‐ credits

replaces same plastic types
produced from virgin raw
materials

//
Material substitutes / HDPE HDPE
Carbon sequestration issue taken into account? / / No sequestration
Waste characteristics
Heating value / 21  MJ/PVC /
Degradation rate / / full^ degradationinfinite time^ (hypothetical period)^
Incineration
Alternative use of incineration capacity included? / No inf. /
Composting
Compost spreading for composting taken into
account? ///
Compost leaching after spreading taken into
account? ///
Reference to EN 13432:2000 (Requirements for
Packaging Recoverable Through Composting and
Biodegradation)?

///
Landfill
Methane emissions included? / / Yes

3[PVC]
PVC

Material
production

Material
recovery

Material
disposal
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