活性炭-二氧化硅双功能吸附材料对姜黄素的吸附

doi:10.3969/j.issn.0253-2417.2013.05.005

Abstract

Abstract: The new activated carbon-silica difunctional porous composite was made by eucalypts wood shavings as materials, by impregnating with silicon tetrachloride, calciumoxide and water and by carburizing and activating in Muffle furnace. The pore size distribution of new porous composite was from 2.6 to 4.3 nm and specific surface area was 357 m²/g.In order to obtain new porous composites to immobilize curcumin, the adsorption behavior of two kinds of absorbents on curcumin were studied by spectroscopy and quadrature analysis. The effects of adsorbent dosage, time, and temperature on the adsorption were investigated. Research results showed that lab-made activated carbon-silica difunctional composite had favorable performance in the adsorption of curcumin.The adsorption ratio of curcumin reached 94.82%. The optimum conditions for this activated carbon-silica were as follows: adsorption time within 7 min, temperature at 40℃, the mass ratio of activated carbon-silica to curcumin of 1 000:1.5.The new absorbents adsorbate curcumin by both physical adsorption and hydrogen bond.

Key words: activated carbon-silica, curcumin, adsorption

CLC Number:

TQ35
TQ041.8

WANG Ying-hong;XIA Lie-wen;ZHANG Hai-lian. Adsorption of Curcumin on Difunctional Activated Carbon-silica[J]. , 2013, 33(5): 25-29.

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Adsorption of Curcumin on Difunctional Activated Carbon-silica

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