chemical absorption of h2s for biogas purification

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ID: 161617
2004
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Abstract
This work presents an experimental study of purification of a biogas by removal of its hydrogen sulphide (H2S) content. The H2S was removed by means of chemical absorption in an iron-chelated solution catalyzed by Fe/EDTA, which converts H2S into elemental sulphur (S). Preparation of the catalyst solution and the results of biogas component absorption in the catalyst solution (0.2 mol/L) are presented. These results are compared with those for physical absorption into pure water under similar conditions. Experimental results demonstrate that, under the same experimental conditions, a higher percentage of H2S can be removed in the catalytic solution than in water. In a continuous counter current using adequate flow-rate phases contact at room temperature and low gas pressure, the results demonstrate that is possible to totally remove the H2S from the biogas with the prepared catalytic solution.
Reference Key
m.s.2004brazilianchemical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Horikawa M.S.;Rossi F.;Gimenes M.L.;Costa C.M.M.;Silva M.G.C. da
Journal database and network journal
Year 2004
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322004000300006
Keywords Keywords not found

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