The sustainable chemical industry encompasses a shift from the use of fossil carbon to renewable carbon. The synthesis of chemicals from nonedible biomass (cellulosic or oil) represents one of the key steps for “greening” the chemical industry. In this paper, we report the aerobic oxidative cleavage of C6 polyols (5-HMF, glucose, fructose and sucrose) to oxalic acid (OA) and succinic acid (SA) in water under mild conditions using M@CNT and M@NCNT (M=Fe, V; CNT=carbon nanotubes; NCNT=N-doped CNT), which, under suitable conditions, were recoverable and reusable without any loss of efficiency. The influence of the temperature, O 2 pressure (P (Formula presented.)), reaction time and stirring rate are discussed and the best reaction conditions are determined for an almost complete conversion of the starting material and a good OA yield of 48 %. SA and formic acid were the only co-products. The former could be further converted into OA by oxidation in the presence of formic acid, resulting in an overall OA yield of >62 %. This process was clean and did not produce organic waste nor gas emissions.
- Aerobic oxidation
- Carbon nanotubes
ASJC Scopus subject areas
- Environmental Chemistry
- Chemical Engineering(all)
- Materials Science(all)
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- Centre for Advanced Separations Engineering (CASE)
- Centre for Sustainable and Circular Technologies (CSCT)
- Department of Chemical Engineering - Professor
- Water Innovation and Research Centre (WIRC)
- Centre for Nanoscience and Nanotechnology
- Faculty of Engineering and Design - Deputy Dean
Person: Research & Teaching