One-pot synthesis of self S-doped porous carbon for efficient CO2 adsorption

Bai, Jiali; Huang, Jiamei; Yu, Qiyun; Demir, Müslüm; Gecit, Fehime Hayal; Altay, Bilge Nazlı; Wang, Linlin; Hu, Xin

doi:10.1016/j.fuproc.2023.107700

Cited by 59 publications

(9 citation statements)

References 62 publications

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“…As indicated in Figure 6 b, N 2 isotherms for thermal products can be classified as type I , with H4 hysteresis caused by capillary condensation of nitrogen in mesopores [ 50 ]. Such loops are characteristic of chemically activated carbonaceous materials and suggest well-developed micro- and mesoporosity of the APCs prepared via thermal activation [ 51 , 52 ].…”

Section: Resultsmentioning

confidence: 99%

Cellulose–Amine Porous Materials: The Effect of Activation Method on Structure, Textural Properties, CO2 Capture, and Recyclability

Krupšová,

Almáši

2024

Molecules

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CO2 capture via physical adsorption on activated porous carbons represents a promising solution towards effective carbon emission mitigation. Additionally, production costs can be further decreased by utilising biomass as the main precursor and applying energy-efficient activation. In this work, we developed novel cellulose-based activated carbons modified with amines (diethylenetriamine (DETA), 1,2-bis(3-aminopropylamino)ethane (BAPE), and melamine (MELA)) with different numbers of nitrogen atoms as in situ N-doping precursors. We investigated the effect of hydrothermal and thermal activation on the development of their physicochemical properties, which significantly influence the resulting CO2 adsorption capacity. This process entailed an initial hydrothermal activation of biomass precursor and amines at 240 °C, resulting in C+DETA, C+BAPE and C+MELA materials. Thermal samples (C+DETA (P), C+BAPE (P), and C+MELA (P)) were synthesised from hydrothermal materials by subsequent KOH chemical activation and pyrolysis in an inert argon atmosphere. Their chemical and structural properties were characterised using elemental analysis (CHN), infrared spectroscopy (IR), scanning electron microscopy (SEM), and thermogravimetric analysis (TG). The calculated specific surface areas (SBET) for thermal products showed higher values (998 m2 g−1 for C+DETA (P), 1076 m2 g−1 for C+BAPE (P), and 1348 m2 g−1 for C+MELA (P)) compared to the hydrothermal products (769 m2 g−1 for C+DETA, 833 m2 g−1 for C+BAPE, and 1079 m2 g−1 for C+MELA). Carbon dioxide adsorption as measured by volumetric and gravimetric methods at 0 and 25 °C, respectively, showed the opposite trend, which can be attributed to the reduced content of primary adsorption sites in the form of amine groups in thermal products. N2 and CO2 adsorption measurements were carried out on hydrothermal (C) and pyrolysed cellulose (C (P)), which showed a several-fold reduction in adsorption properties compared to amine-modified materials. The recyclability of C+MELA, which showed the highest CO2 adsorption capacity (7.34 mmol g−1), was studied using argon purging and thermal regeneration over five adsorption/desorption cycles.

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Section: Resultsmentioning

confidence: 99%

Cellulose–Amine Porous Materials: The Effect of Activation Method on Structure, Textural Properties, CO2 Capture, and Recyclability

Krupšová,

Almáši

2024

Molecules

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“…The dynamic adsorption data provided clear evidence that plastic-based carbon had quite high adsorption selectivity for CO 2 among carbon materials. Regeneration stability is very important for practical applications, − C@PPS and C@PPO showed good CO 2 adsorption cycle stability, and the adsorption capacity remained basically unchanged after six continuous adsorption–desorption cycles (Figure e,f).…”

Section: Discussionmentioning

confidence: 99%

Processing Plastic Wastes into Value-Added Carbon Adsorbents by Sulfur-Based Solvothermal Synthesis

Zhao

Yuan

Niu

et al. 2023

ACS Sustainable Chem. Eng.

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Efficient strategies (degradation or recycling) for converting multifarious plastic wastes are imperative due to the resulting detriments to the environment and human life. With this in mind, the versatile and sulfur-mediated conversion of plastic wastes into value-added adsorbents is presented. The essential sulfur medium promotes the thermal polycondensation of polymer chains and leads to an impressive carbonization yield of 91%, significantly exceeding the control process without sulfur (0− 12%). The final sublimation of sulfur endowed carbon materials with high porosity (S BET up to 888 cm 2 /g), while the attack of sulfur radicals naturally results in a high sulfur content (8.66− 12.08%) of the carbon framework. Interestingly, the polar interactions (CO 2 with sulfoxides, sulfones, and sulfonic) ensured the S-doped carbon good performance in CO 2 adsorption (up to 4.6 mmol/g at 273 K), while the coordinating role of the sulfide group contributed to the heavy metal adsorption [removal efficiency of 99.5% for Pb(II) and 99.8% for Cd(II)].

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“…[71] This method can avoid the additional heat loss involved in traditional external heat source heating methods and effectively overcomes the inherent thermal conductivity shortcomings of most adsorbent materials. Several kinds of magnetic adsorbent materials such as metal-organic frameworks (MOFs), [75,76] carbon materials, [77,78] and zeolite-based materials [79,80] have been fabricated and studied by researchers as attractive candidates for the efficient desorption for CO 2 . The CO 2 desorption performances using different adsorbents under magnetic fields were summarized in Table 1.…”

Section: Recent Progress Of Magnetic Field Driven Co 2 Capturementioning

confidence: 99%

Fundamentals and Recent Progress in Magnetic Field Assisted CO₂ Capture and Conversion

Zhong,

Guo,

Zhou

et al. 2023

Small

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CO2 capture and conversion technology are highly promising technologies that definitely play a part in the journey towards carbon neutrality. Releasing CO2 by mild stimulation and the development of high efficiency catalytic processes are urgently needed. The magnetic field, as a thermodynamic parameter independent of temperature and pressure, is vital in the enhancement of CO2 capture and conversion process. In this review, the recent progress of magnetic field‐enhanced CO2 capture and conversion is comprehensively summarized. The theoretical fundamentals of magnetic field on CO2 adsorption, release and catalytic reduction process are discussed, including the magnetothermal, magnetohydrodynamic, spin selection, Lorentz forces, magnetoresistance and spin relaxation effects. Additionally, a thorough review of the current progress of the enhancement strategies of magnetic field coupled with a variety of fields (including thermal, electricity, and light) is summarized in the aspect of CO2 related process. Finally, the challenges and prospects associated with the utilization of magnetic field‐assisted techniques in the construction of CO2 capture and conversion systems are proposed. This review offers a reference value for the future design of catalysts, mechanistic investigations, and practical implementation for magnetic field enhanced CO2 capture and conversion.

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One-pot synthesis of self S-doped porous carbon for efficient CO2 adsorption

Cited by 59 publications

References 62 publications

Cellulose–Amine Porous Materials: The Effect of Activation Method on Structure, Textural Properties, CO2 Capture, and Recyclability

Cellulose–Amine Porous Materials: The Effect of Activation Method on Structure, Textural Properties, CO2 Capture, and Recyclability

Processing Plastic Wastes into Value-Added Carbon Adsorbents by Sulfur-Based Solvothermal Synthesis

Fundamentals and Recent Progress in Magnetic Field Assisted CO₂ Capture and Conversion

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One-pot synthesis of self S-doped porous carbon for efficient CO2 adsorption

Cited by 59 publications

References 62 publications

Cellulose–Amine Porous Materials: The Effect of Activation Method on Structure, Textural Properties, CO2 Capture, and Recyclability

Cellulose–Amine Porous Materials: The Effect of Activation Method on Structure, Textural Properties, CO2 Capture, and Recyclability

Processing Plastic Wastes into Value-Added Carbon Adsorbents by Sulfur-Based Solvothermal Synthesis

Fundamentals and Recent Progress in Magnetic Field Assisted CO2 Capture and Conversion

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Product

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Fundamentals and Recent Progress in Magnetic Field Assisted CO₂ Capture and Conversion