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Catalytic hydrogenation of sugar to sugar alcohol, using increasing reaction temperature and/or addition of monocarboxylic acid to maintain catalyst activity
Catalytic hydrogenation of sugar to sugar alcohol, using increasing reaction temperature and/or addition of monocarboxylic acid to maintain catalyst activity
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机译:使用升高的反应温度和/或添加一元羧酸以保持催化剂活性,将糖催化氢化为糖醇
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摘要
Preferably, the initial hydrogenation temperature is from 0 to 110{C and hydrogenation is conducted with simultaneous gradual heating at 0 to 5{C/min to achieve an increase of 20 to 100{C and a final hydrogenation temperature of from 60 to 200{C. The monocarboxylic acid is preferably formic acid, acetic acid, propionic acid or benzoic acid. The catalyst may also be washed with an alkali to regain the activity of the catalyst.
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