Lab-scale aerated lagoon treating bleached kraft mill effluent Heated rotating biological discs treating synthetic wastewater

Temperature shifts

Reduction from a steady temperature of 60°C to 35°C. Increase from 35°C to 45°C (5°C/day) Increase from 30°C to 32.2°C. Further increases from 32.2° C to 38° C and to 43 °C within 2 days. On the subsequent 2 days, increase to 49° Cand55°C

Effect on treatment performance

No significant impact or improved treatment performance

Deterioration in treatment performance

Slight improvement at the highest temperatures

Sakka et al.

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