Cold Temperature Impacts on Treatment of Meat Processing Wastewater

This study assessed the BOD5 and ammonia removal rates of freezing bioreactors. Bench-scale sand/gravel and sand/textile bioreactors were exposed to 5 freezing-thaw cycles. BOD5 removal rates were > 99% through out the study. Ammonia removal was 99% for the first three freezing-thaw cycles, but decreased during the last two freezing-thaw cycles.

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