NDLI: Chromium(VI) adsorption from aqueous solution by prepared biochar from Onopordom Heteracanthom

Content Provider	Springer Nature Link
Author	Ghorbani Khosrowshahi, S. Behnajady, M. A.
Copyright Year	2016
Abstract	In this research, the stems of Onopordom Heteracanthom which is a kind of weed were converted to biochar particles, and their characteristics were investigated. The morphology and purity of these particles were examined by SEM and EDX techniques, respectively. Specific surface area was obtained as 5.73 m$^{2}$ g$^{−1}$ by BET method. The biochar particles obtained from Onopordom Heteracanthom were evaluated as an adsorbent to remove Cr(VI) from aqueous environments. The effect of some parameters such as initial concentration of Cr(VI), dosage of adsorbent, and pH were investigated on the adsorption capacity of Cr(VI) onto the adsorbent. The equilibrium data were analyzed by various isotherm models. The results revealed that in this process, the adsorption isotherm and kinetics have more conformity with Langmuir isotherm and pseudo-second-order kinetics, respectively. The multi-linearity of the Weber and Morris adsorption kinetic model indicates that the intra-particle diffusion is not merely the rate-controlling step for the whole adsorption process.
Starting Page	1803
Ending Page	1814
Page Count	12
File Format	PDF
ISSN	17351472
Journal	International Journal of Environmental Science & Technology
Volume Number	13
Issue Number	7
e-ISSN	17352630
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-04-04
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Onopordom Heteracanthom Ecotoxicology Biochar Water Management Waste Water Technology Cr(VI) Adsorption Aquatic Pollution Environment Water Pollution Control 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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