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فناوری منابع زیستی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • low-energy treatment of colourant wastes using sponge biofilters for the personal care product industry

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    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 597
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     four trickling biofilter designs were assessed as low-energy alternatives to aerobic activated sludge (as) for the treatment of personal care product industry wastes. the designs included partially submerged packed-media and sponge reactors with and without active aeration. partial submergence was used to reduce active aeration needs. simulated colourant wastes (up to cod = 12,480 mg/l, tn = 128 mg/l) were treated for 201 days, including wastes with elevated oxidant levels. cod and tn removal efficiencies were always >79% and >30% (even without aeration). however, aerated sponge reactors consistently had the highest removal efficiencies, especially for tn (∼60%), and were most tolerant of elevated oxidants. this study shows sponge biofilters have great potential for treating colourant wastes because they achieve high treatment efficiencies and reduce energy use by >40% relative to as systems.

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