Abstract
In a two-stage pilot plant biological processes effect substantial degradation of organic carbon compounds and the ammonium contained in highly contaminated waste waters at extremely short mean residence time in the bioreactor. This achievement is mainly due to employment of a newly-developed type of bioreactor — the reciprocating jet bioreactor.
The present article opens with a detailed description of the pilot plant and the operation of the process. Experimental data for the calculation of couversion efficiency in both stages are presented. In the first stage, the content of organic carbon compounds is reduced to less than 10 per cent within 30 to 50 minutes. In the second stage, the concentration of ammonium in the waste water is reduced to approx 3 per cent within 3,7 h. The concentration of the dry biomass in the biosuspension amounts to approx 18 kg/m3.
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Brauer, H., Hennig, R. Aerobic two-stage biological degradation of organic carbon compounds and ammonium. Bioprocess Eng. 1, 13–22 (1986). https://doi.org/10.1007/BF00369460
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DOI: https://doi.org/10.1007/BF00369460