申请人:HYUNDAI MOTOR COMPANY
公开号:US10414710B1
公开(公告)日:2019-09-17
A method for preparing bio adipic acid includes steps of (a) preparing a glucaric acid potassium salt by mixing and reacting glucose, nitric acid (HNO3), sodium nitrite (NaNO2) and potassium hydroxide (KOH), (b) preparing glucamide from the glucaric acid potassium salt prepared in the step (a), (c) preparing 2,4-hexadiene diamide by performing a deoxydehydration reaction on the glucamide prepared in the step (b), (d) preparing adipamide by introducing the 2,4-hexadiene diamide prepared in the step (c), hydrogen and a hydrogenation catalyst to a reactor and performing a hydrogenation reaction, and (e) preparing adipic acid by introducing the adipamide prepared in the step (d) and an aqueous hydrochloric acid solution to a reactor and then performing a hydrolysis reaction at a specific temperature.
一种制备生物己二酸的方法包括以下步骤:(a)通过混合葡萄糖、硝酸(HNO3)、亚硝酸钠(NaNO2)和氢氧化钾(KOH)并使其反应制备葡萄糖酸钾盐;(b)通过步骤(a)中制备的葡萄糖酸钾盐制备葡萄糖酰胺;(c)通过对步骤(b)中制备的葡萄糖酰胺进行脱氧脱水反应制备2,4-己二烯二酰胺、(d) 将步骤(c)中制备的 2,4-己二烯二酰胺、氢气和氢化催化剂引入反应器,进行氢化反应,制备己二酸,以及 (e) 将步骤(d)中制备的己二酸和盐酸水溶液引入反应器,然后在特定温度下进行水解反应,制备己二酸。