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Yang Q, Zhao H, Peng Q, Chen G, Liu J, Cao X, Xiong S, Li G, Liu Q. Elimination of Pharmaceutical Compounds from Aqueous Solution through Novel Functionalized Pitch-Based Porous Adsorbents: Kinetic, Isotherm, Thermodynamic Studies and Mechanism Analysis. Molecules 2024; 29:463. [PMID: 38257376 PMCID: PMC10819009 DOI: 10.3390/molecules29020463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 01/13/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024] Open
Abstract
The long-term presence of PPCPs in the aqueous environment poses a potentially significant threat to human life and physical health and the safety of the water environment. In our previous work, we investigated low-cost pitch-based HCP adsorbents with an excellent adsorption capacity and magnetic responsiveness through a simple one-step Friedel-Crafts reaction. In this work, we further investigated the adsorption behavior of the prepared pitch-based adsorbents onto three PPCP molecules (DFS, AMP, and antipyrine) in detail. The maximum adsorption capacity of P-MPHCP for DFS was 444.93 mg g-1. The adsorption equilibrium and kinetic processes were well described through the Langmuir model and the proposed secondary kinetic model. The negative changes in Gibbs free energy and enthalpy reflected that the adsorption of HCPs onto PPCPs was a spontaneous exothermic process. The recoverability results showed that the adsorption of MPHCP and P-MPHCP onto DFS remained above 95% after 10 adsorption-desorption cycles. The present work further demonstrates that these pitch-based adsorbents can be used for multiple applications, which have a very extensive practical application prospect.
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Affiliation(s)
- Qilin Yang
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
| | - Hongwei Zhao
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
- Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Qi Peng
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
| | - Guang Chen
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
| | - Jiali Liu
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
| | - Xinxiu Cao
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
- Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Shaohui Xiong
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
- Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Gen Li
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
- Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Qingquan Liu
- School of Material Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China; (Q.Y.); (Q.P.); (G.C.); (J.L.); (X.C.); (S.X.); (G.L.)
- Hunan Provincial Key Laboratory of Advanced Materials for New Energy Storage and Conversion, Hunan University of Science and Technology, Xiangtan 411201, China
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