Zusammenfassung der Ressource
Approaches to waste
management in MEDCs
- Waste hierarchy
- Reduce: first choice for
all waste materials
- Reuse: not
always possible
- Recycle: Best option
for number of ways -
plastic, metal etc
- Recover energy:
best option for some
wastes - wood,
avoid plastics
- Disposal: Last
choice option
- Reduce
- Uk - Courtauld Commitment
- 2005
- 40 major retailers -
cut back on
packaging
- Charges for disposal
- Financial
incentive
- Reuse
- Returnable
items
- 'Reclaimed' items
- 'Freecycle'
- Charity shops
- Up-cycling
- Recycle
- 'Closed loop'
- Steel cans into
steel etc
- 'Open loop'
- Plastic
bottles into
plastic wood
- Most economically viable
recycling systems in UK for
metals
- 60% iron and metals
recovered
- Glass 80%
- Paper 40%
- Recycling strategies in
urban areas
- Household:
Envac system:
New Wembly
- Colour coded chutes
- single storage
system
- Construction:
Olympic Development
Authority
- Divert 90% waste
landfill and use 20%
recycled material
- Recovering energy
- Biogen Greenfinch AD plant
- Opened June 2009
- Processes 45,000
tonnes of waste into
biogas
- By-product 35,000
tonnes of liquid
bio-fertiliser
- Energy produced
powers 2700 homes
- Incineration
- 2nd largest waste
disposal in most
MEDCs
- Minimise
pollution
- Generate
electricity
- Prevent energy
being wasted
- Doesn't recover full
value of finite
resources being
burned