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. 2015 Sep 1;80:325–336. doi: 10.1016/j.watres.2015.04.026

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© 2015 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 2 — Temporal evolution of volumetric anammox activity in response to the step-wise decrease in operation temperature from 29 to 12.5 °C. (a) Anammox activity expressed as the sum of NH₄⁺ and NO₂⁻ consumption and total suspended solids (TSS) concentration. (b) Profile of the daily average temperature. The reactor was operated on MWW_pre-treated amended with NH₄⁺ and NO₂⁻.