Transcript Diapositiva 1 - Ecologistas en Accion

Cradle to entry gate
Exergy/
Exergy cost
Entry gate to exit gate
Crepuscular crust
Exergy/
Exergy cos
Useful products
Manuf.
costs
Man-made stock
Product
manufact
ure
Man-made mining
and refining
process
Mining and
refining
costs
Grave to cradle
Exit gate to grave
Use and
dispose of
materials
Recycling
of materials
Fuels
Recycli
ng
costs
Minerals
Mineral deposits
Landfills
Natural stock
Avoided
costs/
mineral
bonus
Reference
Environment
Natural conc.
and refining
process
Materials
dispersion
and
pollution
Crepuscular Earth / Thanatia
Zero Exergy
SDIMI 2011
Materials Life cycle
The thermodynamic properties of the upper continental crust: Exergy, Gibbs free Energy and Enthalpy
1
SDIMI 2011
Trends of exergy costs and ore grade in global mining
2
 How can we effectively manage our
resources if we do not even know which is
the cost of the mineral capital that we are
irremediably destroying?
www.exergoecology.com
Thank you very much for your attention!
SDIMI 2011
The exergy decrease of the mineral capital endowment due to raw-material production
3
Results
SDIMI 2011
The exergy decrease of the mineral capital endowment due to raw-material production
4