Treatment of APMP pulping effluent based on aerobic fermentation with Aspergillus niger and post-coagulation/flocculation.
作者： Tingzhi Liu , Zhibin He , Huiren Hu , Yonghao Ni
DOI: 10.1016/J.BIORTECH.2011.01.047
关键词:
摘要: A novel two-stage biological/flocculation process was developed for treating the pulping effluent from alkaline peroxide mechanical (APMP) process. In first biological stage, aerobic fermentation by using Aspergillus niger can decrease chemical oxygen demand (COD) about 60% while producing 7 g/l of solid biomass. second stage (post-coagulation/flocculation), residual COD, turbidity and color, be further decreased alum polyacrylamide (PAM). The overall removal efficiencies color APMP above biological-coagulation/flocculation were 93%, 92% 99%, respectively, under conditions studied.
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