http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
3,600 m3/h 의 하수처리수 탈질을 위한 유동상 생물여과
(Kramer J . P .),(Wouters J . W .),(Noordink M . P . M .),(Molenkamp H . W .),(Anink D . M . E .),(Janus J . M .) 한국수처리학회 2000 한국수처리학회지 Vol.8 No.3
STP De Groote Lucht in the Netherlands had to he upgraded in order to meet the tightened criterion for total nitrogen (10㎎/ℓ N as yearly average). ASTRASAND moving bed biofiltration, is introduced for post-denitrification. Pilot plant tests were executed in 1996 and it was found that in order to achieve good filter performance with the specific process conditions, an adequate process control system was required. This filter control ensured removal efficiencies of > 95% with influent concentrations up to 30 ㎎/l NO₃-N and strongly fluctuating influent flows. The full scale denitrification installation with a capacity of 3,600㎥/h, the first full scale installation of this type used for biological denitrification in Europe, was built in 1998 and started up in 1999. Since the start up, the filter performance is good and the nitrate removal efficiencies are higher than required.