Abstract

Sulfur compounds produced with hydrogen sulfide (H2S) removal by Hyphomicrobium neptunium ATCC 15444 were analyzed. When the loading of H2S was 24.1 mmol of H2S per liter-culture per day, the sulfur compounds in the culture after 150h consisted of 121.4 mM of elemental sulfur and 17.1 mM of thiosulfate. Sulfate and sulfite were not detected. These results demonstrated that the H2S removal by H. neptunium ATCC 15444 resulted from the oxidization of H2S and the major product with the H2S removal was elemental sulfur.

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