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The main aims of this demonstration project are the absorption of hydrogen sulphide from the biogas produced in a sewage plant through a practical system which does not require constant attention, nor significant labour for the loading and unloading of the iron oxides; and the use of the biogas, when it has been purified, in thermal and co-generation engine applications. The demonstration installation comprises a filter with a movable bed, of pyramid/trunk shape, with a square base, having a capacity of 1,000 litres, plus a lower and an upper hopper, for the loading and unloading of iron oxide agglomerates. The purified biogas is used in a co-generation unit comprising four TOTEM-FIAT sets generating 12.5 kWh of electrical power and 36.78 thermal kW each. Completing the project is a system which receives and stores the data from the range of variables monitored. The results obtained confirm the viability of the process.

Additional information

Authors: CATALANA DE GAS SA, Catalana de Gas SA, Costa Brava (ES)
Bibliographic Reference: EUR 15076 ES/EN (1993) 46 pp., FS, ECU 8.50
Availability: (2)
ISBN: ISBN 92-826-6179-2
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