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Characterization of magnetic biochar amended with silicon dioxide prepared at high temperature calcination

Materials Science-Poland
Volume 34 (2016): Issue 3 (September 2016)
By:
Open Access
|Oct 2016

Figures & Tables

Fig. 1

XRD patterns of (a) KGB, (b) MB, (c) MBC, (d) MBS and (e) MBSC.
XRD patterns of (a) KGB, (b) MB, (c) MBC, (d) MBS and (e) MBSC.

Fig. 2

FT-IR spectra of (a) KGB, (b) MB, (c) MBC, (d) MBS and (e) MBSC.
FT-IR spectra of (a) KGB, (b) MB, (c) MBC, (d) MBS and (e) MBSC.

Fig. 3

SEM images of (a) KGB, (b) MB, (c) MBC, (d) MBS and (e) MBSC.
SEM images of (a) KGB, (b) MB, (c) MBC, (d) MBS and (e) MBSC.

Fig. 4

Saturation magnetization of MB, MBC, MBS and MBSC samples under the applied magnetic field (−20000 Oe to 20000 Oe).
Saturation magnetization of MB, MBC, MBS and MBSC samples under the applied magnetic field (−20000 Oe to 20000 Oe).

Fig. 5

Thermogravimetric analyses (TGA) of MB, MBC, MBS and MBSC samples.
Thermogravimetric analyses (TGA) of MB, MBC, MBS and MBSC samples.

BET surface area, total pore volume and mean pore diameter of the samples_

SampleSA [m2·g−1]Total pore volume Vp[m3·g−1]Mean pore diameter [nm]
KGB35.340.0056.5
MB45.830.0242.1
MBC336.790.0212.5
MBS45.370.0242.1
MBSC125.170.0082.7

Elemental compositions of the samples (KGB, MB, MBC, MBS and MBSC) conducted by EDX analyses_

KGBMBMBCMBSMBSC
Elementwt.%at.%wt.%at.%wt.%at.%wt.%at.%wt.%at.%
C75.0781.7434.7452.3875.2887.0927.6943.7279.1589.36
N04.160.38802.8103.6305.2705.2302.6203.5503.6703.55
O14.8112.1028.1131.8204.2503.7032.2038.1804.2603.61
Na00.0000.0000.5700.4500.0000.0000.6800.5600.0600.03
Mg00.1400.0800.4000.3000.0400.0200.4400.3500.0800.04
Al00.0200.0100.3000.2000.0400.0200.3300.2300.0400.02
Si01.4600.6800.6400.4200.5400.2703.0802.0801.0400.50
P00.0700.0300.1700.1000.0100.0100.1400.0900.0300.01
S00.5300.2100.3800.2100.1200.0500.2700.1600.0800.03
Cl00.5200.1900.6500.3300.0600.0200.1600.0900.0500.02
K03.0001.0000.1300.0600.0600.0200.0900.0400.0500.02
Ca00.2300.0700.1300.0600.0700.0300.0000.0000.0500.02
Fe00.0000.0030.9810.0514.2403.5432.3110.9711.4502.78
MatrixCorrect.ZAFCorrect.ZAFCorrect.ZAFCorrect.ZAFCorrect.ZAF
DOI: https://doi.org/10.1515/msp-2016-0112 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 597 - 604
Submitted on: Dec 16, 2015
Accepted on: Jun 1, 2016
Published on: Oct 10, 2016
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Calcination,
magnetic biochar,
material composite,
saturation magnetization
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2016 Shams Ali Baig, Zimo Lou, Malik T. Hayat, Ruiqi Fu, Yu Liu, Xinhua Xu, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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