废弃油脂制第二代生物柴油催化剂的性能评价

东平 刘(广州市朗坤环境科技有限公司，中国)
旗 郭(广州市朗坤环境科技有限公司，中国)
华 秦(广州市朗坤环境科技有限公司，中国)

摘要

以棕榈酸化油为原料，在压力6.0Mpa、体积空速0.66h-1、氢油比1000:1的连续固定床中试装置上系统比较了三家供应商NiMo/γ-Al2O3、NiMoW/γ-Al2O3以及NiW/特殊分子筛催化剂的加氢脱氧（HDO）与异构降凝（IDW）性能。对比了在反应温度240~385280~340℃烯烃饱和率相差9~12%，催化剂影响脱羧/脱羰/直接脱氧路径比例；异构降凝剂对产物的凝点影响较大，并伴随2.5~4.1%裂化反应损失；在产品凝点≤0℃约束下，NiW/特殊分子筛体系生物石脑油收率＜1%，生物柴油收率达80.3%，综合性能最优。

关键词

废弃油脂；第二代生物柴油；催化剂评价；加氢脱氧；异构降凝；

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DOI: http://dx.doi.org/10.12345/hgyjxjz.v3i10.33310