Chemical and physical activation of olive-mill waste water to produce activated carbons

Olive-mill waste water is produced in large quantities during the manufacture process of the olive oil in mills. This by-product has been used as raw material to produce activated carbons by both chemical and physical activation methods. In the first case, KOH and H 3PO 4 were used as activating age...

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Bibliographic Details
Published in:Carbon (New York) 2001-01, Vol.39 (9), p.1415-1420
Main Authors: Moreno-Castilla, Carlos, Carrasco-Marı́n, Francisco, López-Ramón, M.Victoria, Alvarez-Merino, Miguel A.
Format: Article
Language:English
Subjects:
A. Activated carbon
Adsorbents
Applied sciences
B. Chemical treatment
Chemistry
D. Surface areas
Exact sciences and technology
General and physical chemistry
Pollution
Surface physical chemistry
Textures
Wastewaters reuse. Miscellaneous
Water treatment and pollution
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Summary:Olive-mill waste water is produced in large quantities during the manufacture process of the olive oil in mills. This by-product has been used as raw material to produce activated carbons by both chemical and physical activation methods. In the first case, KOH and H 3PO 4 were used as activating agent, and in the second case, CO 2 at 840°C for different periods of time. Results obtained indicate that the chemical activation with KOH at 800°C, in an inert atmosphere, yielded activated carbons with the highest surface area and more developed micro, meso and macroporosity.
ISSN:0008-6223
1873-3891
DOI:10.1016/S0008-6223(00)00268-2