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ACTIVATION ENERGY OF DESORPTION OF DIBENZOFURAN ON ACTIVATED CARBONS

Chinese Journal of Reactive Polymers 2004年第1期13卷 49-56页

作者： LIXiang LIZhong xihongxia LUOLingai The Institute of Chemical Engineering South China University of TechnologyGuangzhou510640 China LSGC-CNRS-ENSIC 1rue GrandvilleBP45154001 Nancy CedexFrance

Three kinds of commercial activated carbons, such as Norit RB1, Monolith and Chemviron activated carbons, were used as adsorbents for adsorption of dibenzofuran. The average pore size and specific surface area of these activated carbons were measured. Temperature Programmed Desorption (TPD) experiments were conducted to measure the TPD curves of dibenzofuran on the activated carbons, and then the activation energy for desorption of dibenzofuran on the activated carbons was estimated. The results showed that the Chemviron and the Norit RB1 activated carbon maintained higher specific surface area and larger micropore pore volume in comparison with the Monolith activated carbon, and the activation energy for the desorption of dibenzofuran on these two activated carbons was higher than that on the Monolith activated carbon. The smaller the pore of the activated carbon was, the higher the activated energy of dibenzofuran desorption was.

关键词： TPD Dibenzofuran Desorption activation energy.

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A REVIEW OF OXYGEN-CONTAINING SURFACE GROUPS AND SURFACE MODIFICATION OF ACTIVATED CARBON

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Chinese Journal of Reactive Polymers 2004年第1期13卷 89-96页

作者： WUYongwen LIZhong xihongxia XIAQibin Research Institute of Chemical Engineering South China University of TechnologyGuangzhou 510640China

This review focused on the recent reports related to the function, characterization and modification of oxygen-containing surface groups of activated carbon (AC). The Oxygen-containing surface groups were briefly described, and the most frequently used techniques for characterization of the oxygen-containing surface groups on ACs were also briefly stated. A detailed discussion of the effects of the oxygen-containing surface groups on the adsorptive capacity of AC was given. The recent progresses in modification of the oxygen-containing surface groups of AC were also reviewed.

关键词： Oxygen-containing group Activated carbon Surface chemistry Modification.

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SYNTHESIS OF NEW ORGANIC／INORANIC HYBRID MATERIAL CONTAINING 4—NITRO—4‘—HYDROXY AZOBENZENE AND ITS SECOND—ORDER NONLINEAR OPTICAL PROPERTIES

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Chinese Journal of Reactive Polymers 2000年第F5期9卷 94-94页

作者： xihongxia LIANGZhaoxi TheInstituteofChemicalEngineering SouthCHinaUniversityGuangzhou510640CHINA TheinstituteofPolymerScinece zhongshanUniversityGuangzhou510275CHINA

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