In this paper, the progress on diphenolic acid preparation by condensation reaction of levulinic acid and phenol is introduced.

利用乙酰丙酸和苯酚缩合反应制取双酚酸。

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The effects of extremely-low-concentration acid hydrolysis on levulinic acid production from rice husk and cellulosic structure were investigated.

研究了极低酸水解对稻壳转化乙酰丙酸和纤维结构的影响。

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Levulinic acid is always prepared by acid hydrolysis under the condition of high temperature and high pressure, so the problem exists in the corrosion for the equipment.

本文针对目前高温高压条件下酸法水解过程中存在的设备腐蚀问题，采用常温常压条件制备乙酰丙酸，研究了葡萄糖水解反应动力学，以及酮对水解过程中产生的腐黑物的抑制作用。

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