基于强碱阴离子交换树脂固定床催化制备生物柴油  

Catalyzed Preparationof Biodiesel by Strong Base Anion Exchange Resin in Self-Made Fixed Bed Reactor

作　　者：柯中炉[1] 奚立民[1] 杨伟群[1] 朱魏[2] 

机构地区：[1]台州职业技术学院生物与化学工程系,台州318000 [2]浙江大学二次资源化工国家专业实验室,杭州310027

出　　处：《中国粮油学报》2011年第5期71-75,共5页Journal of the Chinese Cereals and Oils Association

基　　金：浙江省高等学校优秀青年教师资助计划项目(2008142)

摘　　要：以强碱阴离子交换树脂作为催化剂,在固定床反应器中将菜子油与甲醇进行酯交换反应。通过正交试验,分析了醇油比(体积比)、反应温度、反应时间等因素对固定床酯交换反应的影响,并得出最佳固定床催化反应工艺条件:反应温度60℃、醇油体积比5.96、反应时间54.7 min,产品收率为99.65%;催化剂活性稳定,利用再生树脂连续催化28.7 h,未见活性下降。通过减压蒸馏精制得到的生物柴油,各项物化性能基本满足美国(ASTM D6751-03S500)和欧洲(EN14214)生物柴油标准,也基本满足我国0#柴油标准。该工艺不仅具有反应条件温和、副反应少、催化剂活性稳定、设备腐蚀小的特点,而且还具有产物处理简便、可连续化生产、清洁环保等优点。Using the strong base anion exchange resin as the catalysis,rapeseed oil undergone the transesterification with alcohol in a fixed bed reactor. The influences of factors, such as volume ratio of methanol to oil, reaction temperature and reaction time, were studied by orthogonal experiment. The thogonal experiment and results showed that the yield of product was 99. process conditions were optimized by or65% when the reaction temperature was 60℃, the volume ratio of methanol to oil was 5.96 and the reaction time was 54.7 min. Under continuous catalytic transesterifieation for 28.7 h using regenerating resin, the catalytic activity did not decline. Therefore, the activity of the catalyst is stable. The physico-chemical properties of refined biodiesel mainly conformed to the standards for biodiesel in ASTM D6751 -03S500, EN14214 and also coincided the 0# diesel standards in China. This process not only has many merits, such as mild reaction condition, less side reaction, stability of catalysis and less erosion to equipment, but also is convenient for handling offspring, eontinuative production, clean and environment-friendly.

关 键 词：生物柴油 固定床强碱阴离子交换树脂 菜子油 酯交换脂肪酸甲酯 

分 类 号：TQ667[化学工程]