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Paper-pulp-liquors and corrugated-paper-pulp-liquors were used as the bases for simulated papermill wastewater and were treated in anaerobic upflow filters which were operated at mesophilic (35 o C) and thermophilic (55 o C) temperatures. The hydraulic retention time (HRT) ranged from 11.7 to 26.2 h with organic loading rates (OLR) of 1.70-3.87 g/l per day. With the paper-pulp-liquors,...
A study was carried out to assess the effect of temperature variations, both decreasing and increasing, on the performance of a mesophilic (35 o C) and a thermophilic (55 o C) upflow anaerobic filter treating a simulated papermill wastewater. An organic loading rate of 1.95 kg COD per m 3 day was used throughout the study. The temperature of the mesophilic digester (MD) was...
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