Pb (II) Adsorption Process of Fe3O4 Supported Ti3C2Tx

Shiyi WANG; Aihu FENG; Xiaoyan LI; Yun YU

doi:10.15541/jim20220627

Journals >Journal of Inorganic Materials >Volume 38 >Issue 5 >Page 521 > Article

Journal of Inorganic Materials
Vol. 38, Issue 5, 521 (2023)

Pb (II) Adsorption Process of Fe₃O₄ Supported Ti₃C₂T_x

Shiyi WANG^1、2, Aihu FENG², Xiaoyan LI^1、*, and Yun YU^2、*

Author Affiliations

¹1. School of Material and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China

²2. Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China

show less

DOI: 10.15541/jim20220627 Cite this Article

Shiyi WANG, Aihu FENG, Xiaoyan LI, Yun YU. Pb (II) Adsorption Process of Fe₃O₄ Supported Ti₃C₂T_x[J]. Journal of Inorganic Materials, 2023, 38(5): 521 Copy Citation Text

show less

XRD patterns of Ti3C2Tx MXene, FeMX0.5-1, FeMX1-1 and FeMX2-1 samples (b) Enlarged XRD patterns of (002) crystalline

1. XRD patterns of Ti₃C₂T_x MXene, FeMX0.5-1, FeMX1-1 and FeMX2-1 samples (b) Enlarged XRD patterns of (002) crystalline

Download full size | View in the Article

Preparation process of Ti3C2Tx Mxene (a) and Fe3O4-Mxene (b)

S1. Preparation process of Ti₃C₂T_x Mxene (a) and Fe₃O₄-Mxene (b)

Download full size | View in the Article

2. (a) Diagram of Ti₃C₂T_x MXene doped with Fe₃O₄; SEM images of (b)Ti₃AlC₂, (c)Ti₃C₂T_x and (d) FeMX1-1 sample; (e)Elements distributions of FeMX1-1 sample

Download full size | View in the Article

3. Nitrogen adsorption-desorption isotherms of different FeMX samples

Download full size | View in the Article

4. (a) XPS spectra of FeMX before and after doping; (b) O1s and (c) Ti2p spectra of MXene materials; (d) Fe2p, (e) O1s and (f) Ti2p spectra of FeMX composite

Download full size | View in the Article

5. Pb(II) adsorption properties of FeMX1-1 at different temperatures

Download full size | View in the Article

6. (a) Adsorption isotherms and (b) adsorption kinetics curves of FeMX with different doping ratios

Download full size | View in the Article

7. (a) XPS spectra of FeMX before and after Pb (II) adsorption ; (b) Pb4f and (c) O1s spectra of FeMX1-1 sample after Pb(II) adsorption; (d)Na1s spectra of FeMX1-1 sample before and after Pb(II) adsorption

Download full size | View in the Article

S2. Effects of pH and ionic strength on Pb(II) adsorption capacity of FeMX2-1

Download full size | View in the Article

Temperature	Langmiur			Freundlich
Temperature	K_L	Q_m/(mg·g^-1)	R²	K_F	n	R²
30 ℃	0.05	110.54	0.8327	32.80	0.20	0.9881
40 ℃	0.21	126.04	0.8854	76.09	0.12	0.9435
50 ℃	0.29	120.24	0.9190	62.61	0.09	0.9934

Table 1. Fitting parameters of Langmuir and Freundlich isothermal adsorption models for Pb (II) adsorption by FeMX1-1 at different temperatures

View in the Article

Absorbance	Langmiur			Freundlich
Absorbance	K_L	Q_m/(mg·g^-1)	R²	K_F	n	R²
MXene	0.0177	110.23	0.86006	15.8026	0.30	0.9106
FeMX0.5-1	0.1652	149.63	0.99028	67.9776	0.14	0.90833
FeMX1-1	0.2781	126.04	0.88536	76.0907	0.09	0.94345
FeMX2-1	0.0139	210.54	0.97478	22.1793	0.36	0.91117

Table 2. Fitting parameters of Langmuir and Freundlich isothermal adsorption models for Pb (II) adsorption by FeMX with different doping ratios

View in the Article

Absorbance	Pseudo first-order reaction			Pseudo second-order reaction
Absorbance	k₁/min^-1	Q_e/(mg·g^-1)	R²	k₂/(g·(mg·min)^-1)	Q_e/(mg·g^-1)	R²
MXene	2.0966	104.22	0.98786	0.4378	108.85	0.99402
FeMX0.5-1	0.6308	173.65	0.95009	0.0039	201.10	0.98103
FeMX1-1	0.7447	148.66	0.90406	0.0053	171.57	0.95077
FeMX2-1	1.1093	184.59	0.97027	0.0076	204.46	0.99135

Table 3. Fitting parameters of pseudo-first-order and pseudo-second-order kinetic adsorption models for Pb (II) adsorption by FeMX composites with different doping ratios

View in the Article

Absorbance	Condition	Adsorption property/(mg·g^-1)	Ref.
Zeolite A based on blast furnace slag	Shake for 60 min at room temperature, C₀=50 mg/L	39.37	[S1]
MXene (Ti₃C₂T_x)	T=293 K, pH 6, C₀=2 mg/L, 2 min contact time	~90	[S2]
Bead-supported MnFe₂O₄nanoparticles	T=298 K, pH 5, C₀= 20 mg/L, 2 h equilibrium time	11.98	[S3]
Polyhydroxyl-aluminum	T=298 K, shake for 270 min, C₀=1500 mg/L, 150 min equilibrium time	3.99	[S4]
Peanut shell-based biochar	T=293 K, pH 5.5, C₀=100 mg/L, 180 min contact time	56.5	[S5]
MnO₂ modified magnetic graphitic carbon nitride composite	T=298 K, pH 6, C₀=250 mg/L, shake for 270 min	187.6	[S6]
FeMX2-1	T=313 K, pH 6, C₀=500 mg/L, 3 h equilibrium time	210.54	This work

Table 4. Comparison of Pb(II) adsorption properties of existing adsorption materials and FeMX

Shiyi WANG, Aihu FENG, Xiaoyan LI, Yun YU. Pb (II) Adsorption Process of Fe₃O₄ Supported Ti₃C₂T_x[J]. Journal of Inorganic Materials, 2023, 38(5): 521

Download Citation

Tools

Save the article for my favorites

Paper Information