NDLI: Superior Adsorption Performance of Mesoporous Carbon Nitride for Methylene Blue and the Effect of Investigation of Different Modifications on Adsorption Capacity

Content Provider	Springer Nature Link
Author	Peng, Jianbo Zhang, Wenli Liu, Yan Jiang, Yinhua Ni, Liang Qiu, Jian
Copyright Year	2016
Abstract	A series of mesoporous carbon nitride (MCN) with tunable specific surface area, pore volume, and nitrogen content has been prepared by using SBA-15 as template and ethylenediamine (EDA) and carbon tetrachloride (CTC) as precursors, respectively. The composition and structural properties of the obtained materials were characterized by FT-IR, XRD, SEM, TEM, N$_{2}$ adsorption-desorption, zeta potential, and elemental analysis. Results revealed that the largest special surface area could reach up to 667 m$^{2}$ cm$^{−3}$ and specific pore volume to 0.496 cm$^{3}$ g$^{−1}$, and the nitrogen content of MCN could be controlled by adjusting the EDA to CTC weight ratio. It was demonstrated for the first time that the synthesized MCN exhibited excellent adsorptive capability toward methylene blue (MB) and the adsorption capacity was attributed to the large specific surface area and surface functional groups. The effects of parameters, including pH, initial concentration, contact time, and temperature, were investigated in batch static adsorption experiments. Besides, the adsorption process of MB onto MCN is fitted to the Langmuir isotherm and pseudo-second-order kinetic models, and the maximum adsorption amounts of MB on MCN were 360.8 mg g$^{−1}$. Moreover, the thermodynamic analysis showed that the adsorption was endothermic and spontaneous. MCN remained to have high adsorption capacity after five times of recycling test. All these results demonstrated that MCN is a promising material for adsorbing cationic dye in aqueous solution.
Starting Page	1
Ending Page	16
Page Count	16
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	228
Issue Number	1
e-ISSN	15732932
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-12-06
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Mesoporous carbon nitride Optimization Methylene blue Adsorption Environment Water Quality/Water Pollution Atmospheric Protection/Air Quality Control/Air Pollution Soil Science & Conservation Hydrogeology Climate Change/Climate Change Impacts
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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