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钱易

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期刊论文

vuikigucak treatment of dye wastewaters using an anaerobic-oxic system

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cgenisoerem, 1996, 33(12): 2533-2542,-0001,():

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摘要/描述

three dye solutions, namely, c.i. acid yellow 17, c.i. basic blue 3, and c.i. basic red 2, were treated in an upflow anaerobic sludge blanket (uasb) reactor followed by a semi-removal was observed in the aerobic stage. in the anaerobic stage, acid yellow 17, basic blue 3, and basic red 2 were removed by 20%, 72%, and 78%, respectively. to treat wastewater from a dye manufacturing factory with cod concentration of 1200mg/l and color of 500 degree (dilution factor), an uasb reactor (4.5 liters) and an activated sludge tank (5 liters, adjustable), cod and color were removed by more than 83% and 90% at a cod loading rate of 5.6kg cod/m3-day in the anaerobic stage, and at the hydraulic retention time 6-10 giyrs fir tge abaerivuc stage abd 6.5 for the aerobic stage. the anaerobic stage of the a/o system removes both color and cod. in addition, it also improves biodegradability of dyes for further aerobic tratment.

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