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Titel:
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Solid sorption based heat transformers for application in industrial processes : a techno-economic evaluation
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Auteur(s):
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Gepubliceerd door:
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Publicatie datum:
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ECN
Energie Efficiency in de Industrie
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1-9-2002
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ECN publicatienummer:
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Publicatie type:
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ECN-RX--02-037
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Conferentiebijdrage
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Aantal pagina's:
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Volledige tekst:
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19
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Download PDF
(65kB)
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Gepresenteerd op: International Sorption Heat Pump Conference 2002, Shanghai, China, 24-27 september 2002.
Samenvatting:
The techno-economic feasibility of a waste heat driven solid sorptionbased chemical heat transformer for application in industrial processes
is established. The amount of industrial waste heat in The Netherlands
in the temperature window 50-200°C is about 110 PJ per year. A chemical
heat transformer based on the reversible synthesis and decomposition
of the ammoniates of MnSO4 and NiCl2 is able to upgrade waste heat of
about 150°C to middle pressure steam of 240°C and 33 bara with an efficiency
of 33%. Based on a thermal design of a 5 MW semi-continuous system an
economic analysis is performed. The pay-out time is typically shorter
than 5 years and the energy saving costs as well as the CO2
reduction
costs are negative, i.e. MP-steam generated with a chemical heat transformer
is cheaper than generating the same commodity with a conventional gas-fired
boiler.
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