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FLUID PHASE EQUILIBRIA · 2016 · IF 1.846

Solubility and dissolution mechanism of 4-chlorotoluene in subcritical water investigated in a fused silica capillary reactor by in situ Raman spectroscopy

Ke Bei,Chuanyong Zhang,Junliang Wang,Kai Li,Jinghui Lyu,Jia Zhao,Jie Chen,I-Ming Chou,Zhiyan Pan

The solubility of 4-chlorotoluene in subcritical water was measured using an optically transparent fused silica capillary reactor (FSCR). The total dissolution temperature of 4-chlorotoluene in subcritical water was visually determined. The dissolution uniformity of 4-chlorotoluene in subcritical water was confirmed by Raman spectroscopy. The solubility of 4-chlorotoluene linearly increased with increasing temperature in the range 262.3–293.8 °C. The dissolution mechanism of 4-chlorotoluene in subcritical water is proposed based on the Raman spectra of 4-chlorotoluene and water during the dissolution process in the FSCR.

CAS / MDL: 106-43-4

研究领域: 化学工程 · 分析化学

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Journal of the Taiwan Institute of Chemical Engineers · 2015 · IF 3

Aerobic oxidation of 5-hydroxymethylfurfural into furan compounds over Mo-hydroxyapatite-encapsulated magnetic γ-Fe2O3

Shuguo Wang,Bing Liu,Ziliang Yuan,Zehui Zhang

In this study, magnetic γ-Fe 2 O 3 @ HAP-Mo catalyst was successfully prepared and characterized. The activity of the as prepared γ-Fe 2 O 3 @ HAP-Mo catalyst was evaluated by the oxidation of 5-hydroxymethylfurfural (HMF) with molecular oxygen. Some important reaction parameters were investigated and it was found that both the solvent and the reaction temperature showed great effect on HMF conversion and products selectivity. The highest HMF conversion of 95.8% was obtained in 4-chlorotoluene at the reaction temperature of 120 °C for 12 h, and the corresponding 2,5-diformylfuran, 2,5-furandicarboxylic acid and 5-hydroxymethyl-2-furancarboxylic acid yields were 67.5, 19.6 and 8.7%, respectively. The γ-Fe 2 O 3 @ HAP-Mo catalyst could be easily separated from the reaction mixture and reused several times without the loss of its catalytic activity.

研究领域: 催化 · 化学工程 · 有机化学

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Solubility and dissolution mechanism of 4-chlorotoluene in subcritical water investigated in a fused silica capillary reactor by in situ Raman spectroscopy

Aerobic oxidation of 5-hydroxymethylfurfural into furan compounds over Mo-hydroxyapatite-encapsulated magnetic γ-Fe2O3