Back to Search Start Over

Direct Construction of K-Fe3C@C Nanohybrids Utilizing Waste Biomass of Pomelo Peel as High-Performance Fischer–Tropsch Catalysts

Authors :
Songbai Qiu
Jianfeng Chen
Yujian Fan
Zan Huang
Qingwei Meng
Liang Ma
Qian Zhang
Tiejun Wang
Source :
Catalysts, Vol 12, Iss 5, p 542 (2022)
Publication Year :
2022
Publisher :
MDPI AG, 2022.

Abstract

As the only renewable organic carbon source, abundant biomass has long been established and developed to mass-produce functionalized carbon materials. Herein, an extremely facile and green strategy was executed for the first time to in situ construct K-Fe3C@C nanohybrids directly by one-pot carbonizing the pomelo peel impregnated with Fe(NO3)3 solutions. The pyrolytically self-assembled nanohybrids were successfully applied in Fischer–Tropsch synthesis (FTS) and demonstrated high catalytic performance. Accordingly, the optimized K-Fe3C@C catalysts revealed excellent FTS activity (92.6% CO conversion) with highlighted C5+ hydrocarbon selectivity of 61.3% and light olefin (C2-4=) selectivity of 26.0% (olefin/paraffin (O/P) ratio of 6.2). Characterization results further manifest that the high performance was correlated with the in situ formation of the core-shell nanostructure consisting of Fe3C nanoparticles enwrapped by graphitized carbon shells and the intrinsic potassium promoter originated in pomelo peel during high-temperature carbonization. This work provided a facile approach for the low-cost mass-fabrication of high-performance FTS catalysts directly utilizing waste biomass without any chemical pre-treatment or purification.

Details

Language :
English
ISSN :
20734344
Volume :
12
Issue :
5
Database :
Directory of Open Access Journals
Journal :
Catalysts
Publication Type :
Academic Journal
Accession number :
edsdoj.fcd38c8a8efd4b11887c30b69b39b625
Document Type :
article
Full Text :
https://doi.org/10.3390/catal12050542