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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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固体酸so42-/zro2-ceo2催化小桐子油脂肪酸制备生物柴油的实验研究
, PP. 37-42
Keywords: 固体酸,小桐子油脂肪酸,酯化,动力学
Abstract:
？用沉淀浸渍法制备了固体酸催化剂so42-/zro2-ceo2,用于催化小桐籽油脂肪酸与甲醇酯化制备生物柴油。考察了焙烧温度和ceo2负载量对催化剂活性的影响,并进行了单因素实验和动力学研究。研究表明,so42-/zro2-ceo2有较高的催化活性,当甲醇与脂肪酸体积比2∶1,反应温度150℃,催化剂用量为脂肪酸质量的8%,反应60min时,脂肪酸转化率可达0.9403。动力学计算表明,该酯化反应的表观活化能为45.31kj/mol,动力学模型为-dca/dt=38371e-45310/rtca1.44。
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