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长期以来都是通过测定四氯化碳荷量或吸苯率,来评价用于气相吸附活性炭的吸附性能。由于四氯化碳是剧毒试剂,苯是致癌物质,所以本文改用环己烷作为吸附质,通过测定各种活性炭对环己烷的吸附等温线,详细讨论了环己烷荷量作为评价活性炭吸附性能的条件。并介绍了快速测定活性炭对环己烷的吸附荷量的迎头色谱穿透曲线法。
Adsorption properties have been evaluated for the adsorption of activated carbon by gas phase for a long time by measuring the carbon tetrachloride charge or benzene absorption rate. As carbon tetrachloride is a highly toxic reagent and benzene is a carcinogen, cyclohexane was used as the adsorbate in this paper. The cyclohexane adsorption was measured by various activated carbon adsorption isotherms. Activated carbon adsorption performance conditions. The flash chromatography method for fast determination of the adsorption capacity of cyclohexane on activated carbon was introduced.