MICROWAVE REGENERATION OF SPENT POWDER ACTIVATED CARBON

Experiments were conducted to demonstrate that spent powder activated carbon can be regenerated for reuse by microwave radiation. The spent powder activated carbon tested was prepared from the aqueous solutions of ethanol and acetone. The changes in the temperature and weight of spent activated carb...

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Bibliographic Details
Published in:Chemical engineering communications 1996-01, Vol.147 (1), p.17-27
Main Authors: FANG, C. S., LAI, PETER M. C.
Format: Article
Language:English
Subjects:
Activated carbon
Adsorbents
Chemistry
Exact sciences and technology
General and physical chemistry
Microwave
Regeneration
Surface physical chemistry
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Summary:Experiments were conducted to demonstrate that spent powder activated carbon can be regenerated for reuse by microwave radiation. The spent powder activated carbon tested was prepared from the aqueous solutions of ethanol and acetone. The changes in the temperature and weight of spent activated carbon under microwave radiation were monitored. The results show that microwave regeneration of spent powder activated carbon consist of four steps: heating of wet carbon, evaporation of adsorbate, diffusion of adsorbate, and heating of dry carbon.
ISSN:0098-6445
1563-5201
DOI:10.1080/00986449608936492