Biotreatability of Foul Condensates in Combination with Caustic Bleach Filtrate from the Paper Industry

摘要

Lab-scale batch and continuous studies demonstrate that the immobilized fungal bioreactor, devel- oped for treatment of bleach plant effluents, can be applied to wastewater consisting of foul con- densate (FC) and caustic bleach filtrate (CBF). A study was conducted in two phases to investigate the combined treatment and potential internal utilization of methanol from foul condensate. During phase 1, using the foul condensate and caustic bleach filtrate at the ratio they are typi- Cally present in a kraft mill as the bioreactor influent, a color reduction percentage of 76/100 (±5/100) and adsorbable organic halides (AOX) reduction percentage of 70/100 (±2/100) were achieved using a residence time of one day.