| 摘要 |
PCT No. PCT/DE89/00530 Sec. 371 Date Apr. 5, 1990 Sec. 102(e) Date Apr. 5, 1990 PCT Filed Aug. 12, 1989 PCT Pub. No. WO90/02100 PCT Pub. Date Mar. 8, 1990.A water treatment module (14) has a sedimentation compartment (20), into which water is introduced under high pressure. A filter or microsieve (1) can be provided upstream of the sedimentation compartment (20). Above the sedimentation compartment (20) there is located a flooded first fixed bed reactor (22) for microbiological denitrification, which is flowed through from below. The water travels by way of an overflow device (34) and a sprinkler system (36) through which dissolved nitrogen is stripped and oxygen enrichment from the air occurs, into a second fixed bed reactor (38) for microbiological denitrification. This is constructed as a drip device, and is flowed through by air in a chimney-like fashion. Below the second fixed bed reactor (38) is located a catch basin (44) with a drain (54). |
