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找到一份關於 Siporax 生物環的大學論文.
Simultaneous nitrification and denitrification using Siporax™ packing
P. Menoud, C.H. Wong, H.A. Robinson, A. Farquhar, J.P. Barford, G.W. Barton
Department of Chemical Engineering, University of Sydney, NSW 2006, Australia
Abstract
In this paper, we examine a biofilm process for simultaneous removal of ammonia and NOx (nitrite and nitrate). Siporax™, a porous Raschig-ring type filter specifically designed and manufactured for fast colonisation by micro-organisms, was used to demonstrate the feasibility of simultaneous nitrification (usually an aerobic process) and denitrification (usually an anaerobic or anoxic process) inside a single reactor. Clear evidence was found that denitrification occurred inside the internal pore structure of Siporax ™rather than in an anoxic zone near the outlet of the reactor. The reactor was operated continuously and maximum nitrification and denitrification capacities of 0.61 and 0.83 g N/(1.day), respectively were observed in this study.
反硝化>硝化, 這就意味著反硝化NO3的速度大於硝化NH4的速度. 就是可以做到NO3=0.
http://www.sciencedirect.com/sci ... i/S0273122399004977 |
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