Chromatographic Evaluation of Organic Behavior in Biological Activated Carbon Bed.

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  • クロマト法による生物活性炭層における有機物の挙動の検討
  • クロマトホウ ニヨル セイブツ カッセイ タンソウ ニ オケル ユウキブツ ノ

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Abstract

When biological activated carbon (BAC) is applied to drinking water treatment, the mass transfer phenomena relatted to adsorption and biodegradation should be quantitatively clarified. As a method for evaluating adsorption and biodegradation in BAC separately, the moment analysis of pulse responses from BAC beds was proposed and the feasibility of such an approach was investigated. Theoretical moments of the pulse response from BAC and their simplified expressions useful in the case of drinking water treatment were derived for a model BAC employing activated carbon fiber (ACF). Adsorption capacities and microbial activities of various BACs were evaluated by the moment analysis when glucose and t-butyl alcohol were used as model organics. The chromatographic evaluation proposed and investigated in this work was found to be able to evaluate organic behavior in BAC applied for drinking water treatment.

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