竹炭对水溶液中苯酚的吸附性能研究

Abstract

Abstract: The performance of adsorption of bamboo charcoal for phenol in aqueous solution was studied. The influence of factors, namely: dosage of bamboo charcoal, particle size, adsorption time, pH value and initial concentration of phenol were investigated, and the adsorption isotherm of phenol was determined. The results show that the adsorbing rate is quite high, and increased with the increase of dosage of bamboo charcoal and the decrease of particle size, and the adsorption of 0.074 mm bamboo charcoal for phenol occurs mainly during the first 30 min, but the adsorption rate increases slowly after 2 h. Acidity is beneficial for adsorbing phenol. With the increase of initial concentration of phenol, the adsorption rate falls, while the adsorption capacity increases. The adsorption isotherm of phenol follows the isothermal adsorption equation of Langmuir and Freundlich.

Key words: bamboo charcoal, phenol, adsorption

CLC Number:

TQ424.19

YE Gui-zu;CHEN Qing-song;LAI Shou-lian. STUDY ON ADSORPTION PERFORMANCE OF BAMBOO CHARCOAL FOR PHENOL IN AQUEOUS SOLUTION[J]. , 2005, 25(S1): 139-142.

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STUDY ON ADSORPTION PERFORMANCE OF BAMBOO CHARCOAL FOR PHENOL IN AQUEOUS SOLUTION

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