<trans-title>Recent Advances in Carbon Nitride-based Nanomaterials for the Removal of Heavy Metal Ions from Aqueous Solution</trans-title>

Xiangxue WANG; Xing LI; Jiaqi WANG; Hongtao ZHU

doi:10.15541/jim20190436

Journal of Inorganic Materials, Volume. 35, Issue 3, 260(2020)

Recent Advances in Carbon Nitride-based Nanomaterials for the Removal of Heavy Metal Ions from Aqueous Solution

Xiangxue WANG1...2, Xing LI1, Jiaqi WANG1 and Hongtao ZHU1 |Show fewer author(s)

¹Hebei Key Lab of Power Plant Flue Gas Multi-pollutants Control, Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, China

²Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, China

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Figures & Tables(5)

. Schematic illustration of the synthesis process of g-C₃N₄ by thermal polymerization of different precursors

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. Different modification strategies of g-C₃N₄ based materials

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. SEM/TEM images and adsorption isotherm results for heavy metal ions(a) Pb(II), Cd(II) and As(V)^[31]; (b) Cd(II)^[57]; (c) Cu(II)^[46]; (d) U(VI)^[49]

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. Optimized structures and the corresponding bond lengths of (a) pure (g-C₃N₄)-Pb(II) and (b-g) (S-g-C₃N₄)-Pb(II) complexes^[52]

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Table 1.
The adsorption of heavy metal ions on g-C₃N₄-based materials

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Table 1.
The adsorption of heavy metal ions on g-C₃N₄-based materials

g-C₃N₄-based material	Adsorbate	(m/V)/(g·L^-1)	pH	C₀/(mg·L^-1)	Time/h	T/K	Q_max/(mg·g^-1)	Interaction mechanism	Ref.
g-C₃N₄	Pb(II)	3.0	3.5	20	1	298	282	Inner-sphere surface complexation	[46]
	Cu(II)						134
	Cd(II)						112
	Ni(II)						38
Coral reef-like g-C₃N₄	Pb(II)	0.2	5	10	2		720	Surface complexation	[31]
	Cd(II)		5				480
	As(V)		3				220
g-C₃N₄/β-CD	Pb(II)	0.3	5.5	10	20	298	101	Complexation and electrostatic interaction	[48]
S-g-C₃N₄	Pb(II)	0.2	4.5	10	2	298	53	Inner-sphere complexation	[52]
BCN NS	Pb(II)	0.4	7	108.0	0.7	298	211	Electrostatic interaction and molecular interaction	[53]
BCN NS	Hg(II)	0.4	7	307.8	0.7	298	625	Electrostatic interaction and molecular interaction	[53]
Fe₃O₄&g-C₃N₄	Pb(II)	1	6	200	1	298	424	Conjugation	[54]
GNS	Pb(II)	1	5.1		0.7		407	Ion exchange	[56]
GNS	Cd(II)	1	6.2		0.7		73	Ion exchange	[56]
2D-g-C₃N₄ nanosheets	Cd(II)	0.3	7	200	5	318.5	94	π-π conjugate interaction and electrostatic attraction	[57]
BCN	Cd(II)	2	5	11	0.2		159	Complexation	[59]
OM g-C₃N₄	U(VI)	0.2	4	10	1	298	150	Chemisorption	[32]
l-C₃N₄/PDA/PEI₃	U(VI)	0.5	5	40	10	298	101	Inner-sphere complexation and surface co-precipitation	[49]

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Xiangxue WANG, Xing LI, Jiaqi WANG, Hongtao ZHU. Recent Advances in Carbon Nitride-based Nanomaterials for the Removal of Heavy Metal Ions from Aqueous Solution[J]. Journal of Inorganic Materials, 2020, 35(3): 260

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