两步法精制生物柴油工艺流程模拟Simulation of two-step process for refining biodiesel
以油酸和三油酸甘油酯混合物(酸值(KOH)42.52 mg/g)为原料,利用两步法生产精制生物柴油。采用Aspen Plus V10软件对整个工艺流程进行模拟,先以超声辅助低共熔溶剂酶法制备粗生物柴油,再以乙醇、甘油等为携带剂精馏分离游离脂肪酸,并对精馏工艺进行优化。结果表明:制备粗生物柴油过程中油酸和三油酸甘油酯转化率分别为88.19%与 92.71%,粗生物柴油酸值(KOH)为5.07 mg/g;最佳精馏工艺条件为压力0.9 MPa、回流比0.7、理论塔板数31、粗生物柴油进料为第14块塔板、携带剂进料为第2块塔板,在此条件下精制生物柴油酸值(KOH)降至0.36 mg/g,精馏得率为95...
Main Author: | 张旗,郝小红,索航,杜肃ZHANG Qi,HAO Xiaohong,SUO Hang,DU Su |
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Format: | Article |
Language: | English |
Published: |
中粮工科(西安)国际工程有限公司
2022-01-01
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Series: | Zhongguo youzhi |
Subjects: | |
Online Access: | http://tg.chinaoils.cn/ch/reader/create_pdf.aspx?file_no=20220113&year_id=2022&quarter_id=1&falg=1 |
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