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厌氧折流内循环反应器(ABIC)处理木薯淀粉废水试验
doi: 10.13205/j.hjgc.201504007
STUDY ON CASSAVA STARCH WASTEWATER TREATMENT BY ANAEROBIC BAFFLED INTERNAL CIRCULATION
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摘要: 对自主研发的厌氧折流内循环反应器(anaerobic baffled internal circulation,ABIC)处理木薯淀粉废水的运行特性进行研究,结果表明:ABIC在水力停留时间为20~24 h、进水ρ(COD)为3 000~15 000 mg/L、有机负荷为3.0~20.0kg/(m3·d)时COD去除率均高于80.0%,最高可达91.2%。ABIC对进水负荷的冲击具有良好耐受能力,最大可承受的容积负荷VLR为26.0 kg/(m3·d),运行稳定。反应器重新启动耗时较短,对处理木薯淀粉季节性生产废水有利。Abstract: The paper investigated the performance of cassava starch wastewater treatment by a self-developed ABIC ( anaerobic baffled internal circulation) ． The results showed that the removal rate of COD was over 80% when hydraulic retention time ( HＲT) was 20 ～ 24 h，influent COD concentration was up to 3 000 ～ 15 000 mg /L，and organic loading rate was 3 ～ 20 kg /( m3 ·d) ． The ABIC system was effective to resist influent impact，the most affordable VLＲ was 26 kg /( m3·d) and had a steady operation． This reactor was fit for seasonal starch production wastewater treatment by shortening restart period
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