Boosting nitrification with the BABE technology.

Autor: Berends, D. H. J. G., Salem, S., Van der Roest, H. F., van Loosdrecht, M. C. M.
Předmět:
Zdroj: Water Science & Technology; 2005, Vol. 52 Issue 4, p63-70, 8p
Abstrakt: Over the past years there has been a growing interest for compact, simple, low cost and robust technologies to upgrade wastewater treatment plants for nitrogen removal. The BABE (Bio Augmentation Batch Enhanced) technology is such a new concept. This patented system for biological treatment of sludge liquor -- the effluent produced from digested sludge -- uses a new principle, boosting the nitrifying bacteria in a side stream in such a way that the activated sludge in the main process is augmented. This augmentation increases the nitrification capacity of the wastewater treatment plant (wwtp). Experiments on a practical scale have demonstrated the effective and stable operation of the BABE technology. Model studies supported by the results of the full-scale tests showed that the technology can be applied in several situations, i.e. 1) introducing nitrification at high loaded wwtps; 2) enhancing nitrification at wwtps with incomplete nitrification; 3) enlarging denitrification at wwtps with complete nitrification. Most likely this year a full-scale application will be realized in the Netherlands at a wwtp with insufficient nitrification throughout the year. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index