N-doped porous carbon derived from macadamia nut shell for CO2 adsorption
Fuel Processing Technology, cilt.249, 2023 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 249
- Basım Tarihi: 2023
- Doi Numarası: 10.1016/j.fuproc.2023.107854
- Dergi Adı: Fuel Processing Technology
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, CAB Abstracts, Chemical Abstracts Core, Chimica, Communication Abstracts, Compendex, Environment Index, INSPEC, Metadex, Civil Engineering Abstracts
- Anahtar Kelimeler: Biomass waste, CO2 adsorption, Macadamia nutshell, N-doped, Porous carbons
- Boğaziçi Üniversitesi Adresli: Hayır
Özet
Selective adsorption and converting CO2 upon efficient solid-based adsorbents is critical for net-zero accomplishment. Herein, we develop an advisable strategy to prepare nitrogen-enriched porous carbons using the macadamia nutshell (MNS) as a carbon precursor, KOH as the activator and melamine as the nitrogen agent, respectively. The as-prepared porous carbons exhibit an enhanced specific surface area of 1731 m2/g and high microporosity with abundant nitrogen functional groups and structural defects. The CO2 uptake of 6.61 and 4.35 mmol g−1 were achieved at 0 and 25 °C, respectively, under 1 bar. More importantly, these biomass-based nitrogen-doped carbons possess various CO2 adsorption merits such as quick adsorption kinetics, high CO2/N2 selectivity, medium heat of adsorption, outstanding uninterrupted recyclability and good dynamic CO2 capture capacity. The present study provides an advanced protocol to design nitrogen-doped porous Carbon via a facile route toward the capture of CO2, which offers excellent progress in sustainable chemistry and engineering.