EFFECT OF OPERATION VARIABLES IN THE OBTENTION OF TAILORED ACTIVE CARBONS FROM COALS

被引:19
|
作者
SOUSA, JC [1 ]
MAHAMUD, M [1 ]
PARRA, JB [1 ]
PIS, JJ [1 ]
PAJARES, JA [1 ]
机构
[1] CSIC,INST NACL CARBON,E-33080 OVIEDO,SPAIN
关键词
D O I
10.1016/0378-3820(93)90045-6
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The effect of process variables such as coal preoxidation, pyrolysis conditions and activating agent -carbon dioxide and steam- on the preparation of active carbons was studied. As starting materials a high bituminous coal and a semianthracite were used. Active carbons with a wide range of textural properties were obtained. Materials with specific surface areas varying from 120 to 1300 m(2) g(-1) can be produced with the correct choice of experimental conditions. From the results, general guidelines may be established for the design of activated carbons with a particular porous network.
引用
收藏
页码:333 / 339
页数:7
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