Hydrochar-derived activated carbons from poplar and spruce sawdust: synthesis, characteristics and carbon adsorption performance
      
Yazarlar (4)
Prof. Dr. Sibel BAŞAKÇILARDAN KABAKCI Yalova Üniversitesi, Türkiye
Dr. Öğr. Üyesi Başak KARAKURT ÇEVİK Yalova Üniversitesi, Türkiye
Dr. Öğr. Üyesi Merve Nazlı BORAND Yalova Üniversitesi, Türkiye
Arş. Gör. Kübra AL Yalova Üniversitesi, Türkiye
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı Adsorption (Q2)
Dergi ISSN 0929-5607 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Makale Dili Türkçe Basım Tarihi 09-2024
Cilt / Sayı / Sayfa 30 / 8 / 2083–2098 DOI 10.1007/s10450-024-00542-y
Makale Linki https://doi.org/10.1007/s10450-024-00542-y
Özet
The escalating demand for energy across various sectors has led to a significant increase in greenhouse gas emissions, primarily due to the extensive use of fossil fuels. This study addresses the critical need for effective carbon capture adsorbents to mitigate environmental impacts. Bio-based activated carbons, known for their high surface area and pore volume, were synthesized from poplar and spruce sawdust through hydrothermal carbonization (HTC) followed by simultaneous carbonization and activation. HTC, aimed at enriching precursors with oxygen-rich surface functional groups, was conducted at temperatures of 180, 200, and 220 °C for 90 min. This process produced hydrochars that were subsequently activated at 800 °C in the presence of KOH under a nitrogen atmosphere. Remarkably, the activated carbons derived from poplar sawdust hydrochar (at a HTC temperature of 200 °C) and spruce sawdust hydrochar (at a HTC temperature of 220 °C) demonstrate superior specific surface areas of 1680.59 and 1231.57 m2/g, along with total pore volumes of 0.87 and 0.62 cm3/g, respectively. Moreover, both poplar and spruce hydrochar-based activated carbons exhibit high CO2 adsorption capacities of 3.75 and 3.43 mmol/g, respectively, at 24.85 °C and 1 atm. Their CH4 adsorption capacities are 1.52 and 1.42 mmol/g, respectively, under the same conditions. This work highlights the potential of bio-based activated hydrochars in applications such as indoor air quality improvement and industrial flue gas treatment, emphasizing the importance of pretreatment and activation conditions in optimizing adsorbent performance.
Anahtar Kelimeler
Activated carbon | CH4 adsorption | CO2 adsorption | Hydrochar | Hydrothermal carbonization
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
WoS 2
SCOPUS 2
Google Scholar 2
Hydrochar-derived activated carbons from poplar and spruce sawdust: synthesis, characteristics and carbon adsorption performance

Paylaş

İletişim
  • Yalova Üniversitesi Rektörlüğü, Bahçelievler Mah. Çınarcık Yolu Caddesi No: 26 Merkez - YALOVA, 77200
  • unis@yalova.edu.tr 0226 815 50 00
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