Desulfurization: Sulfurex Selection Work Expert Tool
Desulfurization, To Each Project its Unique Solution
Author: R. Garcia Cano, R.M. van der Kloet, B. Bakker, J. Langerak, H. Dekker, E.H.M. Dirkse
Keywords: CHP, biogas upgrading, biogas desulfurization, Sulfurex® CR, Sulfurex® BF, Sulfurex® BR, Selection Tool, (SSweet), business case calculation, H2S removal technology, technology comparison.
Introduction: Biogas streams from fermentation processes of organic matter normally contain hydrogen sulfide (H2S). H2S is a colorless and toxic gas that has a strong odor of rotten eggs. It forms flammable mixtures in air in the range of 4.5 – 45.0 % vol. and its combustion leads to sulfur dioxide emissions (SOx), which have harmful environmental effects. H2S is corrosive to most equipment (pipelines, compressors, storage tanks, engines, etc.) and decreases the lifetime of CHP units. Therefore, H2S has to be removed due to potential mechanical, environmental and safety reasons.
DMT Environmental Technology has over twenty years of experience in desulfurization with a portfolio including Sulfurex® CR (Caustic Reuse), Sulfurex® BF (Biotrickling Filter), Sulfurex® BR (Biological Regeneration) and activated carbon.
Since the selection of the best desulfurization technology depends on many factors, such as e.g. site conditions, uptime, final application of the biogas, DMT has developed a tool. This tool is the Sulfurex® Selection Work Expert Tool (SSweet) which helps our clients deciding on the most suitable technology for their projects.
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