Pilot Plant Evaluation for Hydrogen Sulphide Biological Treatment: Determination of Optimal Conditions Linking Experimental and Mathematical Modelling
- 1 January 1999
- journal article
- research article
- Published by Taylor & Francis in Environmental Technology
- Vol. 20 (1) , 53-59
- https://doi.org/10.1080/09593332008616792
Abstract
The paper presents results of the development of a biological treatment process conducted in a pilot plant for a gas containing hydrogen sulphide. Experimental results in this system were modelled by dividing the process in to an absorption of H2S followed by a biological oxidation of sulphide. This integrated model was used also to find the best operational conditions which optimise the overall process performance. The H2S removal efficiency is limited by the absorption capacity of the packed column to about 35 percent for any high H2S input concentration at constant gas and liquid flow rates of 3.0 and 0.3 m3 per hour. Biomass purges are reduced to a minimum. The economic analysis shows a significant reduction in annual costs compared with physical-chemical methods.Keywords
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