The influence of heat treatment on activated carbon structure and porosity

被引：56
|
作者：
Blazewicz, S
Swiatkowski, A
Trznadel, BJ [1 ]
机构：
[1] Stanislaw Staszic Univ Min & Met, Dept Special Ceram, PL-30059 Krakow, Poland
[2] Mil Tech Acad, Inst Chem, PL-01489 Warsaw, Poland
[3] Mil Inst Chem & Radiometry, PL-00910 Warsaw, Poland
来源：
CARBON | 1999年 / 37卷 / 04期
关键词：
activated carbon; heal treatment; adsorption; X-ray diffraction;
D O I：
10.1016/S0008-6223(98)00246-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Commercial activated carbon Norit R3-ex was demineralized with concentrated HF and HCl acids and next heated in an Ar atmosphere at various temperatures (950, 1500, 1800 and 2100 degrees C). For all samples adsorption-desorption isotherms of benzene vapor were determined and X-ray diffraction measurements were performed. On the basis of adsorption data porous structure characteristics were evaluated (by using DA, DS, HK and FR equations) and surface areas of meso- and micropores as well as BET surface area were calculated. XRD pattern changes in crystallic structure were obtained. On the basis of all, these data influence of thermal treatment of activated carbon on its porosity and structure was discussed. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：693 / 700
页数：8
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