Journal of Materials Science

, Volume 53, Issue 8, pp 5929–5941 | Cite as

Efficient absorption of ibuprofen in aqueous solution using eco-friendly C3N4/soot composite

  • Riquan Liao
  • Ming Li
  • Weitao Li
  • Xiangfeng Lin
  • Dunyu Liu
  • Liang Wang


The removal of ibuprofen (IBP) from wastewater is a hot topic in both academic and industrial fields. Herein, we reported a novel eco-friendly absorbent C3N4/soot composite via a simple one-step pyrolysis process, which had high adsorptive activity for the removal of IBP from wastewater. Adsorption kinetic and isotherm data of the adsorption process were investigated. The adsorption capacity at room temperature for low equilibrium concentration (10 mg/L) was as high as 104 mg/g, which was very similar to the maximum adsorption capacity (148.81 mg/g). The pseudo-first-order, pseudo-second-order, and the intraparticle diffusion models could best describe adsorption kinetics of IBP on 7 wt% C3N4/soot, and adsorption isotherm is well fitted to Langmuir model. Thermodynamic parameters (ΔH, ΔG, and ΔS) indicated that IBP adsorption on C3N4/soot composite was spontaneous and endothermic. Moreover, the potential adsorption mechanism of C3N4/soot composite for the adsorption of IBP was proposed. The 7 wt% C3N4/soot composite exhibited much higher adsorptive activity and still showed a relatively high adsorption stability even after five cycles, which were potentially suitable for high efficiency and low-cost water purification.



This work was supported by National Natural Science Foundation of China (Nos. 21671129, 21671131 and 21571124), the Shanghai Sailing Program (No. 16YF1404400), the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT13078). We thank the Laboratory for Microstructures of Shanghai University.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity ConservationQinzhou UniversityQinzhouPeople’s Republic of China
  2. 2.Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical EngineeringShanghai UniversityShanghaiPeople’s Republic of China
  3. 3.School of Environment and ResourcesGuangxi Normal UniversityGuilinPeople’s Republic of China
  4. 4.School of Energy and Power EngineeringUniversity of Shanghai for Science and TechnologyShanghaiPeople’s Republic of China

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