| 摘要 |
<p>A method and apparatus for the purification of hydrogen sulfide-containing aqueous solutions. The aqueous solution to be purified is passed across at least two electrolytic cell elements (2, 3, 4), at least one of such cell elements employing a positive aluminum electrode and at least one other cell element employing a positive iron electrode. The cell elements' current is regulated, such that the cell element equipped with an aluminum electrode develops aluminum hydroxide and aluminum sulfate and the cell element equipped with an iron electrode develops iron hydroxide. The aqueous solution to be purified, and reaction results obtained in the cell elements, are passed into an extraction tower (7), and the hydrogen released in electrolysis is employed for raising the precipitate consisting of reaction results to a top end of the extraction tower (7) for a flock (15). Purified water is discharged from the extraction tower, thus enabling the extraction of hydrogen sulfide in the form of aluminum sulfate from water into the flock (15).</p> |
