Conversion of polysaccharides in Ulva prolifera to valuable chemicals in the presence of formic acid
作者： Yingdong Zhou , Mei Li , Yaguang Chen , Changwei Hu
DOI: 10.1007/S10811-020-02146-9
关键词:
摘要: The conversion of the macroalgae Ulva prolifera into monosaccharides and value-added furfurals in water or water-tetrahydrofuran co-solvent with formic acid was studied. At 160 °C water, different Bronsted acids (initial pH = 2) were tested. use obtained highest yields total (Glu 18.8 wt%, Xyl 12.9 wt%, Rha 42.1 wt%), while lower other inorganic (HCl, HNO3, H2SO4). 200 °C, (furfural 7.3 wt%, 5-hydroxymethylfurufural 10.6 wt%, 5-methylfurfural 17.8 wt%) presence water-tetrahydrofuran-NaCl biphasic system. Formic acted as catalyst for hydrolysis dehydration, THF protector formed Furthermore, increase reaction temperature addition NaCl promoted saccharides formation levulinic acid.
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