<trans-title xml:lang="en">Novel CO<sub>2</sub> Adsorbent Prepared with ZSM-5/MCM-48 as Support: High Adsorption Property and Its Mechanism </trans-title>

Jianwen WEI; Lijuan ZHANG; Linlin GENG; Yu LI; Lei LIAO; Dunqiu WANG

doi:10.15541/jim20240403

Journal of Inorganic Materials, Volume. 40, Issue 7, 833(2025)

Novel CO₂ Adsorbent Prepared with ZSM-5/MCM-48 as Support: High Adsorption Property and Its Mechanism

Jianwen WEI^1,2,3, Lijuan ZHANG^1,2,3, Linlin GENG^1,2,3, Yu LI^1,2,3, Lei LIAO^1,2,3, and Dunqiu WANG^1,2,3

¹1. Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541006, China

²2. Modern Industry College of Ecology and Environmental Protection, Guilin University of Technology, Guilin 541006, China

³3. Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541006, China

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Figures & Tables(10)

1. XRD patterns of ZSM-5, MCM-48, ZM, and A-ZM-1(a) Small-angle; (b) Wide-angle

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2. Characterization of surface morphology(a-c) SEM images of (a) MCM-48, (b) ZSM-5, and (c) ZM; (d) TEM image of ZM

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3. N₂ adsorption-desorption isotherms of (a) A-ZM-Tx and (b) A-ZM-Px

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4. CO₂ adsorption curves(a) A-ZM-Tx, A-ZM-Px and ZM at 60 ℃; (b) A-ZM-T60 at 30, 45, 60, 75 and 90 ℃

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5. (a) Pseudo-first-order, (b) pseudo-second-order and (c) Avrami fitting curves of A-ZM-T60 at various temperatures

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6. FT-IR spectra of A-ZM-T60 before and after CO₂ adsorption

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S1. CO₂ saturated adsorption capacity of A-ZM-T60 and A-ZM-P60 during 10 adsorption-desorption cycles

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Table 1.
Physical properties, nitrogen contents and CO₂ adsorption capacities of amino-bifunctionalization ZM adsorbents at 60 ℃

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Table 1.
Physical properties, nitrogen contents and CO₂ adsorption capacities of amino-bifunctionalization ZM adsorbents at 60 ℃

Adsorbent	S_BET/(m²·g^-1)	V_t/(cm³·g^-1)	N₂ content/(mmol·g^-1)	CO₂ adsorption capacity/(mmol·g^-1)
A-ZM-1	237.0	0.52	4.97	1.71
A-ZM-T50	111.2	0.21	8.94	5.04
A-ZM-T60	13.0	0.04	11.89	5.82
A-ZM-T70	5.8	0.02	14.85	4.51
A-ZM-P50	91.5	0.20	8.52	3.53
A-ZM-P60	12.3	0.03	11.17	3.96
A-ZM-P70	-	-	14.06	3.05

Table 2.
CO₂ adsorption capacities of various amino-bifunctionalized absorbents

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Table 2.
CO₂ adsorption capacities of various amino-bifunctionalized absorbents

Support	Modifier	Condition (CO₂, in volume)	CO₂ adsorption capacity/(mmol·g^-1)	Ref.
MCF	APTMS+PEI	75 ℃/10.5% CO₂	2.36	[25]
SBA-15	APTES+TEPA	75 ℃/20% CO₂	5.68	[26]
HNTS	APTES+PEI	50 ℃/50% CO₂	1.03	[27]
PE-SBA-15	APTES+TEPA	40 ℃/15% CO₂	5.50	[28]
PE-SBA-15	DT+TEPA	40 ℃/15% CO₂	4.20	[28]
Beta/KIT-6	APTMS+TEPA	60 ℃/15% CO₂	5.12	[29]
ZSM-5/MCM-48	APTES+TEPA	60 ℃/15% CO₂	5.82	This work

Table 3.
Kinetic parameters of CO₂ adsorption on A-ZM-T60 at various temperatures

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Table 3.
Kinetic parameters of CO₂ adsorption on A-ZM-T60 at various temperatures

Model	Kinetics parameter	30 ℃	45 ℃	60 ℃	75 ℃	90 ℃
Pseudo-first-order	q_e/(mmol·g^-1)	4.21	4.49	5.68	5.13	3.95
	k₁/min^-1	0.062	0.083	0.062	0.089	0.080
	R²	0.989	0.966	0.989	0.973	0.987
Pseudo-second-order	q_e/(mmol·g^-1)	4.83	5.06	5.70	6.51	4.48
	k₂/(g·mmol^-1·min^-1)	0.017	0.021	0.022	0.012	0.023
	R²	0.997	0.988	0.991	0.997	0.987
Avrami	q_e/(mmol·g^-1)	4.37	4.75	5.89	5.34	4.00
	k_A/min^-1	0.109	0.153	0.109	0.167	0.099
	n_A	0.776	0.696	0.776	0.704	0.901
	R²	0.998	0.991	0.998	0.990	0.998

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Jianwen WEI, Lijuan ZHANG, Linlin GENG, Yu LI, Lei LIAO, Dunqiu WANG. Novel CO₂ Adsorbent Prepared with ZSM-5/MCM-48 as Support: High Adsorption Property and Its Mechanism [J]. Journal of Inorganic Materials, 2025, 40(7): 833

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Paper Information

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Received: Sep. 6, 2024

Accepted: --

Published Online: Sep. 3, 2025

The Author Email:

DOI:10.15541/jim20240403

Topics

laser devices and laser physics

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Instrumentation, Measurement and Metrology

Table 1. Physical properties, nitrogen contents and CO2 adsorption capacities of amino-bifunctionalization ZM adsorbents at 60 ℃

Table 1. Physical properties, nitrogen contents and CO2 adsorption capacities of amino-bifunctionalization ZM adsorbents at 60 ℃

Table 2. CO2 adsorption capacities of various amino-bifunctionalized absorbents

Table 2. CO2 adsorption capacities of various amino-bifunctionalized absorbents

Table 3. Kinetic parameters of CO2 adsorption on A-ZM-T60 at various temperatures

Table 3. Kinetic parameters of CO2 adsorption on A-ZM-T60 at various temperatures

Table 1.
Physical properties, nitrogen contents and CO₂ adsorption capacities of amino-bifunctionalization ZM adsorbents at 60 ℃

Table 1.
Physical properties, nitrogen contents and CO₂ adsorption capacities of amino-bifunctionalization ZM adsorbents at 60 ℃

Table 2.
CO₂ adsorption capacities of various amino-bifunctionalized absorbents

Table 2.
CO₂ adsorption capacities of various amino-bifunctionalized absorbents

Table 3.
Kinetic parameters of CO₂ adsorption on A-ZM-T60 at various temperatures

Table 3.
Kinetic parameters of CO₂ adsorption on A-ZM-T60 at various temperatures