Supplementary information for:
Preparation of a new adsorbent-supported Fe/Ni particles for removal of crystal
violet and methylene blue by a heterogeneous Fenton-like reaction
Jiwei Liu, ab Yufeng Du,a Wuyang Sun,a Quanchao Chang,a Changsheng Pengac
a The Key Lab of Marine Environmental Science and Ecology of Ministry of
Education, Ocean University of China, Qingdao 266100, China
b School of Environment, Tsinghua University, Beijing, 100084, China
c School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing,
526061, China
*Correspondence author:
Prof. Changsheng Peng
E-mail: [email protected]
The following is included as additional Supplementary information for this paper.
Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2019
Enteromorpha
Mixing
BentoniteFly ash
PM-Fe/NiPM
Forming
Drying
Sintering
FeCl3 ·6H2O
NaBH4NiSO4·6H2ONaOH
Nanoparticles synthesis
Fig. S1 Schematic diagram of PM-Fe/Ni preparation.
a b
c d
10 20 30 40 50 60 70
e
Inte
nsity
(a.u
.)
2 theta (degree)
PM-Fe/Ni PM
Fe0
SiO2
SiO2
SiO2
SiO2
Fe0(110)(200)
4000 3500 3000 2500 2000 1500 1000 500
Fe-OOH
OH
COOHCOOH
COOHCOOH
h
PA-Fe/Ni PA
Wavenumber (cm-1)
Tran
smitt
ance
(%)
f PM-Fe/NiPM
0.0 0.2 0.4 0.6 0.8 1.0
0
10
20
30
40
50
60
Qua
nlity
abs
orbe
d (c
m3 /g
)
Relative pressure (P/P0)
PA
0 10 20 30 40 50 60 70
0.000
0.002
0.004
0.006
0.008
0.010
Pore
vol
ume (
cm3 /g
nm
)
Pore diameter (nm)
g PM
0.0 0.2 0.4 0.6 0.8 1.0
0
10
20
30
40
50
60
70
80
Qua
nlity
abs
orbe
d (c
m3 /g
)
Relative pressure (P/P0)
PA-Fe/Ni
0 10 20 30 40 50 60 70
0.000
0.003
0.006
0.009
0.012
0.015
Pore
vol
ume (
cm3 /g
nm
)
Pore diameter (nm)
h PM-Fe/Ni
Fig. S2 SEM images of PM(a) and PM -Fe/Ni (b); Elemental mapping images of Fe (c) and Ni (d) in PM -Fe/Ni;
XRD images of PM and PM -Fe/Ni (e); FTIR images of PM and PM -Fe/Ni (f); N2 adsorption-desorption curve
and pore size distribution curve of PM (g) and PM -Fe/Ni (h).
0
20
40
60
80
100a
PM/Fe mass ratio5:17:1 3:1 1:1
Rem
oval
effic
iency
(%)
0
10
20
30
40
50
60 b
Re
mov
al ef
ficien
cy (%
)
PM/Fe mass ratio7:1 5:1 3:1 1:1
Fig. S3 The effect of PM/Fe mass ratio on the removal of CV (a) and MB (b).
a
b
Fig. S4 Possible removal mechanism of CV (a) and MB (b) under Fenton-like processes.
10 20 30 40 50 60 70
PM-Fe/Ni (CV)
PM-Fe/Ni (MB)
Fe0
Inte
nsity
(a.u
.)
2 theta (degree)
PM-Fe/NiFe2O3
Fig. S5 XRD images of PM -Fe/Ni after CV and MB removal.
Table S1 Comparative data for the catalytic ability of various materials and PM-Fe/Ni for the
removal of CV and MB.
Catalyst Conditions R (%) Reference
PM-Fe/Ni Dose: 0.2 g; H2O2: 50 mM; pH: 3;
CV: 1000 mg/L (100 mL); 20℃
91.86 This work
MMT+Fe(II) Dose: 3 g/L; H2O2: 50 mM; pH: 3;
CV: 012 mM (100 mL); 25℃;
Visible light: 1.5×1018 photos/s at 366 nm
99.91 1
FeSO4·7H2O Dose: 0.5 mM; H2O2: 50 mM; pH: 5;
CV: 015 mM (100 mL); 25℃
97.00 2
FeGAC Dose: 1.5 g/L; H2O2: 7.4 mM; pH: 3;
CV: 10 mg/L (100 mL); 25℃
71.00 3
Fe/AC Dose: 2.5 g/L; Qzone: 4.44 mg/min; 300 mL/min gas flow
rate; pH: 7; CV: 400 mg/L (100 mL); 25℃
96.00 4
PM-Fe/Ni Dose: 0.2 g; H2O2: 50 mM; pH: 3;
MB:1000 mg/L (100 mL); 20℃
61.41 This work
Fe(II)Fe(III)-LDHs Dose: 0.1 g/L; H2O2: 0.01 mm/L; pH: 4;
MB: 10 mg/L (100 mL); At ambient temperature
100.00 5
Fe3O4/BAC Dose: 1.2 g/L; H2O2: 0.23 mol/L; pH: 7;
MB: 10 mg/L (100 mL); 30℃
98.00 6
MPCMS-500 Dose: 2 g/L; H2O2: 16 mmol/L; NH2OH: 4 mM; pH: 5;
MB: 40 mg/L(10 mL); 30℃
98.00 7
PMS-Fe-380 Dose: 1 g/L; H2O2: 1 g/L; pH: 4;
MB: 50 mg/L (100 mL); 30℃
94.20 8
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