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Soft templating production of porous carbon adsorbents for CO2 and H2S capture

Nicolae Sabina Alexandra; Szilágyi Petra Ágota; Titirici Maria Magdalena


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    "description": "<p>We report the influence of structural features on the properties of porous carbonaceous materials obtained using soft-templating coupled with hydrothermal carbonisation. Our results demonstrate that using <em>d-</em>glucose with Pluronic P123 results in a more homogeneous particle size distribution of carbon spheres compared with <em>d-</em>fructose. The textural properties of the carbon materials, both surface area and pore volume, have improved when the carbonisation temperature was increased from 550 &deg;C to 900 &deg;C, while the amount of C=C bonds was also increased. Physical activation with CO<sub>2</sub> was found to open the pores and thereby improve textural properties, including total pore volume, micropore volume, and surface area. Concomitantly, the CO<sub>2</sub> and H<sub>2</sub>S uptake also underwent significant enhancement, achieving a maximum CO<sub>2 </sub>adsorption capacity of 8.37 mmol/g at 0 &deg;C and 1 bar, and <em>ca.</em> 6 mmol/g at room temperature and 1 bar. The same samples showed about 25.7 mmol/g adsorption capacity for H<sub>2</sub>S at room temperature and atmospheric pressure, with approximately 32% process efficiency.</p>", 
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    "title": "Soft templating production of porous carbon adsorbents for CO2 and H2S capture", 
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    "keywords": [
      "Soft templating, Hydrothermal Carbonisation, d-glucose, CO2 adsorption, H2S capture"
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    "publication_date": "2020-08-05", 
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        "affiliation": "School of Engineering and Material Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK", 
        "name": "Nicolae Sabina Alexandra"
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        "affiliation": "School of Engineering and Material Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK", 
        "name": "Szil\u00e1gyi Petra \u00c1gota"
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        "affiliation": "Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, SW7 2AZ, UK", 
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