A STUDY OF THE PROCESS OF PYROLYSIS IN A WATER-VAPOR STREAM OF ACTIVATED CARBONS, PREPARED FROM AGRICULTURAL BY-PRODUCTS BY SOME PHYSICOCHEMICAL METHODS

被引:6
作者
BUDINOVA, T [1 ]
GERGOVA, K [1 ]
PETROV, N [1 ]
MINKOVA, V [1 ]
机构
[1] PENN STATE UNIV,UNIVERSITY PK,PA 16802
关键词
ACTIVATED CARBON; ARGON; CARBON; DESORPTION; EPRS; PYROLYSIS;
D O I
10.1016/0040-6031(94)80226-2
中图分类号
O414.1 [热力学];
学科分类号
摘要
The changes in the radical concentration and the development of the porous structure of the activated carbon obtained by pyrolysis in the presence of water vapor of various agricultural by-products are investigated by EPR spectroscopy and argon thermal desorption. It was found that they depend on the nature of the raw material and the final temperature of the process. A similarity was established between the dynamics of the change in radical concentration and the development of new surfaces of some of the activated carbons.
引用
收藏
页码:267 / 276
页数:10
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