Community Research and Development Information Service - CORDIS

Abstract

The production of paper pulp using the thermomechanical process has a high electricity consumption. Generally, the refiners consume 1,800 kWh per ton of pulp; 90% of this energy is transformed into heat during the process and is exhausted in the form of dirty steam. The aim of the project was to demonstrate the possibilities of using a system to recover heat from the dirty steam. A particularly interesting aspect of this project is the use of an electric water ring compressor for the compression of clean steam, produced by the condensation of dirty steam. The report contains the description of the installation and its construction. The experience with the plant and the resulting energy saving during the demonstration period are described as well as the commercial viability and prospects.

Additional information

Authors: JANSSENS J M BEGHIN-SAY S.A. CORBEHEM (FRANCE), BEGHIN-SAY S.A. CORBEHEM (FRANCE)
Bibliographic Reference: EUR 9078 EN, FR (1984) MF, 46 P., BFR 120, BLOW-UP COPY BFR 230, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
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