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Hydrolysis of cellulose to glucose over carbon catalysts sulfonated via a plasma process in dilute acids
- Li, Oi Lun, Ikura, Ryuhei, Ishizaki, Takahiro
- Green chemistry 2017 v.19 no.20 pp. 4774-4777
- carbon, catalysts, cellulose, glucose, green chemistry, hydrolysis, sulfuric acid
- Herein, we reported a novel plasma-sulfonation process for carbon materials in dilute sulfuric acid within a few tens of minutes. The total acidic and –SO₃H densities of the sulfonated carbon were 4.4 mmol g⁻¹ and 2.2 mmol g⁻¹, respectively. The glucose selectivity during cellulose hydrolysis using a sulfonated carbon catalyst was 83.9% and retained 98% of its performance after recycling.