| 摘要 |
PCT No. PCT/FI94/00518 Sec. 371 Date May 19, 1997 Sec. 102(e) Date May 19, 1997 PCT Filed Nov. 18, 1994 PCT Pub. No. WO96/15989 PCT Pub. Date May 30, 1996A flock separating apparatus, has an electrolytic cell (2) fitted with iron electrode and a separating tank (3), wherein the flock is carried upwards by a hydrogen gas produced in electrolysis. The separating tank (3) has a substantially vertical pipe having a length which is at least 10 times, preferably at least 15-20 times more than its diameter. |
