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Production of activated carbon from bagasse and rice husk by a single-stage chemical activation method at low retention times

Kalderis Dimitrios, Bethanis Sophia, Paraskeva Panagiota, Diamantopoulos Evaggelos

Πλήρης Εγγραφή

URI: http://purl.tuc.gr/dl/dias/AA139CF0-8F45-439A-8184-5E6833415D5E
Έτος 2008
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά D. Kalderis, S. Bethanis, P. Paraskeva and E. Diamadopoulos, "Production of activated carbon from bagasse and rice husk by a single-stage chemical activation method at low retention times," Bioresour. Technol., vol. 99, no. 15, pp. 6809-6816, Oct. 2008. doi:10.1016/j.biortech.2008.01.041 https://doi.org/10.1016/j.biortech.2008.01.041
Εμφανίζεται στις Συλλογές
Δημοσιεύσεις σε Περιοδικά στην Κοινότητα Σχολή Χημικών Μηχανικών και Μηχανικών Περιβάλλοντος

Περίληψη

The production of activated carbon from bagasse and rice husk by a single-stage chemical activation method in short retention times (30–60 min) was examined in this study. The raw materials were subjected to a chemical pretreatment and were fed to the reactor in the form of a paste (75% moisture). Chemicals examined were ZnCl2, NaOH and H3PO4, for temperatures of 600, 700 and 800 °C. Of the three chemical reagents under evaluation only ZnCl2 produced activated carbons with high surface areas. BET surface areas for rice husk were up to 750 m2/g for 1:1 ZnCl2:rice husk ratio. BET surface areas for bagasse were up to 674 m2/g for 0.75:1 ZnCl2:bagasse ratio. Results were compared to regular two-stage physical activation methods.

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