| 摘要 |
PCT No. PCT/EP87/00538 Sec. 371 Date Jul. 25, 1988 Sec. 102(e) Date Jul. 25, 1988 PCT Filed Sep. 22, 1987 PCT Pub. No. WO88/02397 PCT Pub. Date Apr. 7, 1988.The invention relates to a process for producing an aqueous suspension of nitrifying bacteria using a growth medium containing ammonia or nitrite, in which the bacteria remain metabolically and physiologically active by induction of the specific nitrification enzyme systems, in which the bacteria can be kept for long periods and can be finally used, as well as a device for carrying out the process. |
