Microsoft Word - Environmental benefits of recycling 2010 update.doc

Plastics‐ n°5

Title

LCA: a tool for evaluating and comparing different
treatment options for plastic wastes from old
television sets
Year 2007
Author Dodbiba

Case

Material composition

Sub‐scenario Incinerationrecovery^ with^ energy^ Recyclingincinerated)^ (33%^ residue^

Virgin material

Material marginal: which? No inf. No inf.

Electricity marginal: which? Japanese electricity mix Japanese electricity mix

Steam marginal: which? No inf. No inf.

Co‐products dealt with? No inf. No inf.

Recovered material

Material marginal: which? No inf. No inf.

Electricity marginal: which? Japanese electricity mix Japanese electricity mix

Steam marginal: which? No inf. No inf.

Co‐products dealt with? No inf, No inf.

Material recovery included? No Yes

Type of recycling / Mechanical^ recycling,loop^ closed^

In which ratio does recycled material substitute

virgin material? /No^ inf.

General

Technology 15% efficiency separation^ (triboelectric^

separation and air tabling)

Infrastructures taken into account? No inf, No inf.

Transport included? No No

Energy production Yes Yes for the residue

Produced energy substitutes electricity? Japanese electricity mix Japanese electricity mix

Produced energy substitutes steam? No No

Avoided processes ‐ credits / avoided plastic production

Material substitutes / /

Carbon sequestration issue taken into account? / /

Waste characteristics

Heating value

PS: 40,24 KJ/kg

PVC: 18,02 kJ/kg

PE: 46,68 kJ/kg

/

Degradation rate (over  100  years) / /

Incineration

Alternative use of incineration capacity included? / /

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? / /

5[MIX]

mix of PE/PS/PVC

Material

production

Material

recovery

Material

disposal