| 摘要 |
<p>PCT No. PCT/NL97/00065 Sec. 371 Date Feb. 9, 1999 Sec. 102(e) Date Feb. 9, 1999 PCT Filed Feb. 14, 1997 PCT Pub. No. WO97/30377 PCT Pub. Date Aug. 21, 1997A process for regenerating spent fixer solution which includes the steps of adding finely particulate zinc, such as zinc dust, to the solution to cause silver dissolved therein to precipitate and removing the precipitate from the solution hereby producing a regenerated fixer solution.</p> |
