Summary
Mixed culture of activated sludge was chemically immobilized and the particles obtained were hardened by different procedures. In a mixed reactor an average of up to 95% denitrification was reached after 35 cycles of reuse.
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Čižinská, S., Vojtíšek, V., Maixner, J. et al. Cell aggregates exhibiting denitrifying activity. Biotechnol Lett 7, 737–742 (1985). https://doi.org/10.1007/BF01032286
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DOI: https://doi.org/10.1007/BF01032286