Microsoft Word - Environmental benefits of recycling 2010 update.doc

Biopolymers‐ n°7

Title Vergleichendeaus Stärke bzw.^ Ökobilanz Polystyrol^ für^ Loose‐fill‐Packmittel^

Year 2002
Author BIfA/IFEU/Flo‐Pak

Case

Material composition

Sub‐scenario Incinerationenergy recovery^ with^ Composting Anaerobic digestion Feedstock recycling

Virgin material

Material marginal: which? No No No /

Electricity marginal: which? German electricity mix German electricity mix German electricity mix /

Steam marginal: which? German heat German heat German heat /

Co‐products dealt with? Yes:^ gluten,biogas^ pulp^ and^ Yes:^ gluten,biogas^ pulp^ and^ Yes:^ gluten,biogas^ pulp^ and^ /

Recovered material

Material marginal: which? ///No inf.

Electricity marginal: which? ///German electricity mix

Steam marginal: which? ///German average heat

Co‐products dealt with? No co‐products

Material recovery included? No No No Yes

Type of recycling / / / Usein^ asblast^ reducing furnaces^ agent^

In which ratio does recycled material substitute

virgin material? ////

General

Technology Cogeneration,efficiency^ 65%^

Average technology,

enclosed composting

reactor

Dry fermentation and

biogas valorisation

(400 m^3 per ton of

organic matter), 89%

efficiency

Plastics recovery in

blast furnaces

Infrastructures taken into account? NoNoNoNo

Transport included? treatmentIncluded^ up facilities^ to^ the^ treatmentIncluded^ up facilities^ to^ the^ treatmentIncluded^ up facilities^ to^ the^ treatmentIncluded^ up facilities^ to^ the^

Energy production 10%^ electricity,heat^ 55%^ No

Yes, by burning the

biogas, valorisation

33% electricity, 56%

thermal

No

Produced energy substitutes electricity? German grid / German grid /

Produced energy substitutes steam? German heat / German heat /

Avoided processes ‐ credits ////

Material substitutes / / / /

Carbon sequestration issue taken into account? / No inf. No inf. /

Waste characteristics

Heating value No inf. / / 16  MJ/kg

Degradation rate (over  100  years) / 83% No inf.

Incineration

Alternative use of incineration capacity included? No inf. / / No inf.

Composting

Compost spreading for composting taken into

account? /No/ /

Compost leaching after spreading taken into

account? /No/ /

Reference to EN 13432:2000 (Requirements for

Packaging Recoverable Through Composting and

Biodegradation)?

/No/ /

Landfill

Methane emissions included? ////

Material

production

Material

recovery

7  [MAS] (MAS= Maize Starch)

Maize starch

Material

disposal