NDLI: Characterization of activated carbon obtained from Saudi Arabian fly ash

Content Provider	Springer Nature Link
Author	Mofarrah, A. Bottaro, C. Husain, T.
Copyright Year	2013
Abstract	This study investigated the potential application of heavy oil burning fly ash as a precursor to prepare activated carbon. The raw fly ash obtained from a power plant is cleaned by nitric acid/hydrochloric acid and activated at 550–800 °C with hold times of 30 and 60 min to obtain fly ash activated carbon. The phosphoric acid is used as a chemical agent to improve the surface characteristics of the cleaned fly ash. The effects of process variables such as amount of chemical reagents, activation time and temperature were investigated according to two-levels full factorial design. The resultant activated carbons were characterized in terms of Brunauer, Emmett and Teller surface area and total and pore volume. The maximum specific surface area was found of 148.30 m$^{2}$/g at 800 °C temperatures with 60 min holding time. The test showed that the surface area and pore volumes of the material are also significantly enhanced by the activation process.
Starting Page	159
Ending Page	168
Page Count	10
File Format	PDF
ISSN	17351472
Journal	International Journal of Environmental Science & Technology
Volume Number	11
Issue Number	1
e-ISSN	17352630
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-09-25
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ecotoxicology Water Management Waste Water Technology Chemical activation Aquatic Pollution Unburned carbon Environment Water Pollution Control Factorial design Surface area Environmental Chemistry Environmental Science and Engineering Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Environmental Engineering Agricultural and Biological Sciences

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