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。
2
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。
3
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.