Hydrogen Sulfide Sorption by Soils
1989
Bohn, Hinrich L. | Fu, Yong | Huang-Chenghe,
The sorption of H₂S gas was measured in columns of soils of varying pH, clay, organic-matter, and Fe-oxide contents. The amounts and rates of H₂S adsorption were primarily related to Feoxide content. The soil-H₂S sorption was only slightly affected by the H₂S flow rate. When the H₂S-treated soils were exposed to air, the reaction product oxidized to elemental S and Fe oxide within several hours. The oxidation regenerated the H₂S sorption capacity. The soil were run through four cycles of H₂S sorption and oxidation without reducing the sorption capacity. The S accumulated in the soil as elemental S.
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