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Experiments were conducted to investigate the removal (or complete elimination) of H2S from biogas streams by means of absorption and chemical reaction with a 0.4 M Fe/EDTA solution. Biogas was bubbled through a pseudo‐catalytic solution of Fe/EDTA resulting in the formation of sulfur particles. Wide ranges of flow rates were tested for both the Fe/EDTA solution and the biogas, and the optimal ratio...