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D-glucose-derived S-doped porous carbon: Sustainable and effective CO2 adsorption

文献类型： 外文期刊

作者： Xu, Qianyu 1 ; Wang, Junting 1 ; Feng, Jiamin 1 ; Liu, Chen 1 ; Xiao, Qiang 2 ; Demir, Muslum 3 ; Simsek, Utku Bulut 3 ; Kilic, Murat 5 ; Wang, Linlin 6 ; Hu, Xin 1 ;

作者机构： 1.Zhejiang Normal Univ, Key Lab Minist Educ Adv Catalysis Mat, Jinhua 321004, Zhejiang, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Inst Plant Nutr Resources & Environm, Beijing 100097, Peoples R China

3.Bogaz Univ, Dept Chem Engn, TR-34342 Istanbul, Turkiye

4.TUBITAK Marmara Res Ctr, Mat Inst, TR-41470 Gebze, Turkiye

5.Eskisehir Tech Univ, Dept Chem Engn, TR-26555 Eskisehir, Turkiye

6.Zhejiang Normal Univ, Coll Engn, Key Lab Urban Rail Transit Intelligent Operat & Ma, Jinhua 321004, Zhejiang, Peoples R China

关键词： S-doped porous carbons; Biomass; CO2 adsorption; Sodium thiosulfate, D-glucose

期刊名称：COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS （ 影响因子：5.4； 五年影响因子：5.2 ）

ISSN： 0927-7757

年卷期： 2025 年 709 卷

页码：

收录情况： SCI

摘要： The escalating atmospheric CO2 levels, largely driven by fossil fuel consumption, necessitate the development of sustainable CO2 capture technologies. This study introduces a green and cost-effective method for synthesizing sulfur-doped porous carbon spheres from biomass D-glucose via hydrothermal processing and chemical activation using sodium thiosulfate (Na2S2O3) on contrary to corrosive and harsh activating method. Activation parameters, including temperatures and Na2S2O3 quantities, were systematically optimized to enhance the adsorbents structural properties and sulfur content. The optimal sample achieved exceptional CO2 uptake of 4.65 mmol center dot g-1 at 0 degrees C and 2.93 mmol center dot g- 1 at 25 degrees C, outperforming some conventional adsorbents. It was found that sulfur doping notably enhanced CO2 affinity via acid-base and polar interactions, while the narrow microporosity optimized adsorption efficiency. The material demonstrated outstanding CO2/N2 selectivity of 20, rapid adsorption kinetics, and robust reusability over five cycles with negligible capacity loss, highlighting its practicality for flue gas CO2 capture. This study pioneers an eco-friendly approach for creating high-performance carbon-based adsorbents, offering promising solutions for mitigating climate change through sustainable CO2 capture.

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