Long-term energy-efficiency improvements in the paper and board industry

Jeroen De Beer, Ernst Worrell and Kornelis Blok

Energy, 1998, vol. 23, issue 1, 21-42

Abstract: A method for identifying and characterizing technologies that can improve the energy efficiency in the long term is described and applied to the paper and board industry. Current paper-making processes require 3–9GJ heat per tonne of paper, mainly for the removal of water that is added initially to the fibers, and 1.3–2.9GJ electricity/tonne. The selection of technologies is based on the results of an exergy analysis of a paper mill. Seven relevant technologies are described. It is concluded that in the future paper-mill a combination of new pressing and drying techniques, latent heat recovery systems, and a number of minor improvements can reduce the specific heat demand by 75–90% compared to the current average. The specific electricity consumption will remain about equal or will increase slightly. Investment costs will be lower than for conventional paper-making processes. Benefits other than energy-efficiency improvement, e.g., an improved paper quality or a higher production rate, are the driving forces for the development of the technologies.

Date: 1998
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Citations: View citations in EconPapers (17)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:23:y:1998:i:1:p:21-42

DOI: 10.1016/S0360-5442(97)00065-0

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