HIGH RATE ANAEROBIC TREATMENT OF FOUL CONDENSATE OF A KRAFT MILL
Abstract:Kraft pulp mills generate condensates that contain methanol, reduced sulfur compounds, terpenes and other hazardous air pollutants. The US EPA requires kraft mills to segregate these condensates and remove the methanol. Pulp mills have several options to accomplish this. After evaluating all options and conducting several pilot studies, Boise Cascade's kraft mill in Jackson, Alabama selected high-rate anaerobic treatment for methanol removal. The heart of the anaerobic treatment plant is a Paques IC reactor. The system was successfully commissioned in the summer of 1999. The reactor operates at a volumetric loading rate averaging approximately 17 kg COD/m3·d and removes more than 98% of the incoming methanol, often producing effluent with less then 20 mg/l methanol.
Document Type: Research Article
Publication date: January 1, 2000
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