Life Cycle Assessment and System Analyses of waste management Earlier workshops in Sweden

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Life Cycle Assessment and System Analyses of
waste management - Earlier workshops in Sweden

• Jan-Olov Sundqvist
• IVL Swedish Environmental Research Institute,
  Stockholm, Sweden

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Three earlier international workshops in Sweden

• 1. Life Cycle Assessment and treatment of Solid
  Waste, Stockholm, September 28 - 29 1995
• 2. System Engineering Models for Waste
  Management, Goteborg 25 - 26 February 1998
• 3. System Studies for Integrated Solid Waste
  Management. Stockholm, Sweden, 2 3 April 2001
• and now
• (4. Integrated Waste Management Life Cycle
  Assessment, Workshop and Conference, Prague,
  April, 13-16th, 2004)
• Integrated Waste Management Life Cycle
  Assessment Workshop and Conference, Hotel Praha,
  Prague, April, 13-16th, 2004

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System Studies for Integrated Solid Waste
Management. Stockholm, Sweden, 2 3 April 2001

• Focus on results and some methodological problems
• About 7 h scheduled presentations and 7 h
  scheduled discussions
• We succeeded to draw some general conclusions

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General conclusions from the workshop

• A. Environmental aspects - the waste hierarchy

B. Economy
No general hierarchy The difference between the
results seems to depend on the system boundaries
used (which costs and for whom).
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C. Key aspects.

• Avoided products (heat, electricity, material,
  fertiliser produced from waste)
• Efficiency in power plants, heating plants etc.
  and also recycling plants
• Emissions and impacts from recycling plants (lack
  of data)
• Landfilling models, e.g. time frames
• Final sinks there should be a distinction
  between temporary sinks (landfills) and final
  sinks
• Local conditions and local impacts are often
  neglected
• Source of electricity, can be other than marginal
  sources!
• Choice of alternatives to compare
• Stakeholders influence
• Linear modelling
• Data gaps
• Proceedings http//www.ivl.se/rapporter/pdf/B1490
  .pdf

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What will come out from this meeting in Prague?

• Thank You!