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In an earlier project an absorption heat pump (AHP) was developed to utilise waste heat from paper drying. By this means the effectiveness of two-stage absorption processes was established. An output temperature of approximately 105 C was obtained. The aim of the present project was to improve the performance of the two-stage AHP, to demonstrate its suitability for continuous automatic operation, to gain the experience necessary for the preparation of design and planning guidelines and, by these means, to create the basic conditions for widespread use of such pumps for recovering heat from industrial processes. The higher output temperatures of the AHP widen its range of potential uses. By utilising hitherto untapped waste heat streams it can help to reduce primary energy consumption and environmental damage from the burning of fossil fuels, but the pump will not yet be cost effective at today's low energy prices, except in isolated cases.

Additional information

Authors: GRAMATTE W ET AL., Battelle-Institut eV Frankfurt (DE)
Bibliographic Reference: EUR 13920 DE (1993) 154 pp., MF, ECU 8
Availability: (2)
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