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Activated Carbon Monoliths by Pressureless Technique for Environmental Applications
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).ORCID iD: 0000 0003 0598 4769
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Number of Authors: 5
2015 (English)In: Environmental Progress & Sustainable Energy, ISSN 1944-7442, E-ISSN 1944-7450, Vol. 34, no 5, 1420-1426 p.Article in journal (Refereed) Published
Abstract [en]

Carbon monoliths have been prepared through simple procedure by carbonization in inert atmosphere at 550 C from commercial activated carbon and from unburned carbon in it ykste bctgasse fly asb; US nig, In 0 different kin dS phenolic resin binders. The bagasse fly ash was collected ft on; sugar mills where bagasse is used as a biomass based fuel for cogeneration. Commercial actuated carbon based monoliths whet -e 5 and 10 wt % of the actuated carbon had been replaced by iron oxide (hematite) were dic0 prepared. Results indicate that BET sutfac:e area decreases upon carbonization and loading of hematite. Scanning electron microscopy studies shows that the iron oxide is well distributed over the monoliths and X-ray diffraction shows that it is reduced to magnetite during carbonization. Temperature programmed reduction eAperintents show that the iron oxides on the monoliths are redox active. The monoliths based on commercial activated carbon show 80% remotwl of phenol in dihtted phenol based water solutions whereas unburned carbon derived monoliths showed 5-/ % removal in similar solution.

Place, publisher, year, edition, pages
2015. Vol. 34, no 5, 1420-1426 p.
Keyword [en]
adsorption, carbon monolith, electron microscopy, powder diffraction, thermogravimetric analysis
National Category
Chemical Sciences Environmental Engineering Chemical Engineering
Identifiers
URN: urn:nbn:se:su:diva-125038DOI: 10.1002/ep.12143ISI: 000365433300019OAI: oai:DiVA.org:su-125038DiVA: diva2:891654
Available from: 2016-01-07 Created: 2016-01-07 Last updated: 2016-04-26Bibliographically approved

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Moraga, FranciscaSvensson, Gunnar
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