Journal of Inorganic Materials, Volume. 40, Issue 4, 440(2025)
Figures & Tables(15)
S1. Functional relationship of TCH concentration and its absorbancy
1. XRD patterns (a) and hysteresis loop (b) of CoFe2O4/MgAl-LDHInsert in (b) showing the magnetic recovery of the sample by a hand magnet
2. SEM images of MgAl-LDH and CoFe2O4/MgAl-LDH, and EDS mappings of CoFe2O4/MgAl-LDH(a, b) SEM images of MgAl-LDH; (c, d) SEM images of CoFe2O4/ MgAl-LDH; (e) EDS scanning area; (f-j) EDS mappings of CoFe2O4/ MgAl-LDH
S3. Comparison of different systems(a) TCH removal; (b) Corresponding reaction rate constant
4. XPS spectra of CoFe2O4/MgAl-LDH(a) Survey spectrum; (b-d) Spectra of (b) Fe2p, (c) Co2p, and (d) O1s
5. N2 adsorption-desorption isotherms of CoFe2O4 (a), MgAl-LDH (b) and CoFe2O4/MgAl-LDH (c)
6. Effects of different factors on TCH removal(a) Mass ratio of CoFe2O4 to MgAl-LDH; (b) Catalyst dosage; (c) PMS concentration; (d) pH([TCH]=25 mg/L, [PMS]=1.5 mmol/L, CoFe2O4/MgAl-LDH=0.20 g/L, pH 7 and T =25 ℃)
7. Effects of coexisting anions on TCH removal (a) and cyclic experiments (b)([TCH]=25 mg/L, [PMS]=1.5 mmol/L, CoFe2O4/MgAl-LDH=0.20 g/L, pH 7 and T =25 ℃)
8. Effects of ROS quenching tests on TCH removal (a) and EPR spectra of (b) DMPO-•OH and DMPO-SO4•−, (c) DMPO-O2•−, and (d) TEMP-1O2([TCH]=25 mg/L, [PMS]=1.5 mmol/L, CoFe2O4/MgAl-LDH=0.20 g/L, pH 7, T =25 ℃ and [Scavenger]=100 mmol/L)
9. Schematic illustration of catalytic oxidation process to remove pollutants
Table 1.
SBET and pore size analysis data of the prepared CoFe2O4, MgAl-LDH and CoFe2O4/MgAl-LDH
View tableView in ArticleTable 1.
SBET and pore size analysis data of the prepared CoFe2O4, MgAl-LDH and CoFe2O4/MgAl-LDH
Sample SBET/(m2·g-1) Pore volume/ (cm3·g-1) Pore size/nm CoFe2O4 35.42 0.15 10.76 MgAl-LDH 138.78 0.16 5.76 CoFe2O4/MgAl-LDH 82.84 0.25 23.26
Table 2.
Comparison of the effects of different catalysts on degrading TCH
View tableView in ArticleTable 2.
Comparison of the effects of different catalysts on degrading TCH
Catalyst Tetracycline concentration/(mg·L-1) Reactant conditions/(g·L-1) Time/min Degradation efficiency/% Ref. MIL-53(Fe)@AC 20 [catalyst]=0.20 [PMS]=2.00 120 92.4 [S1] Fe-N/BC 30 [catalyst]=0.05 [PMS]=0.50 60 89.9 [S2] Mn-MoS2@AABs 20 [catalyst]=0.40 [PMS]=2.50 90 82.4 [S3] Co@N-MC 25 [catalyst]=0.04 [PMS]=0.20 30 91.2 [S4] ZCO-CN 20 [catalyst]=0.13 [PMS]=0.10 30 91.0 [S5] MIL-88A/CoFe2O4 10 [catalyst]=0.25 [PMS]=1.00 60 90.0 [S6] CoFe2O4/MgAl-LDH 25 [catalyst]=0.20* [PMS]=0.23* 45 98.2 This work
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Jianjun LI, Fangming CHEN, Lili ZHANG, Lei WANG, Liting ZHANG, Huiwen CHEN, Changguo XUE, Liangji XU.
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Received: Apr. 28, 2024
Accepted: --
Published Online: Sep. 2, 2025
The Author Email: Jianjun LI (ljj.hero@126.com)
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