| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a biological desulfurization method and a biological desulfurization apparatus in which desulfurization efficiency is not deteriorated even if water in which hydrogen sulfide is dissolved is used.SOLUTION: Water in which hydrogen sulfide is dissolved is sprinkled on a carrier packed layer 26 in a desulfurization tower 25 having the carrier packed layer 26 packed with a large number of carriers to which microorganism that oxidizes hydrogen sulfide is attached, the hydrogen sulfide gas is vaporized, and the sprinkled water is oxidized by the microorganism, a gas body containing hydrogen sulfide is introduced into the desulfurization tower 25, and the gas body is allowed to pass through the carrier packed layer 26, by which hydrogen sulfide contained in the gas body is oxidized by the microorganism. By supplying treated water after the oxidation treatment to a hydrogen sulfide removing part 30 that is provided for a route of the gas body after passing through the carrier packed layer 26, hydrogen sulfide which is vaporized due to sprinkling onto the carrier packed layer 26 and mixed with the gas body is removed.</p> |
