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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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小球藻热裂解油催化加氢精制研究
, PP. 571-578
Keywords: 小球藻热裂解油,催化加氢,ni-co-pd/&gamma,-al2o3催化剂,反应机理
Abstract:
？以ni-co-pd/γ-al2o3为催化剂,在固定床反应器中研究了小球藻热裂解油的催化加氢精制。在较低加氢压力(2×106pa)下考察了加氢温度和氢油比(体积比)对精制生物油的含水率、热值、运动黏度和十六烷值等参数的影响,并对加氢前后油品进行了元素分析和gc-ms分析。结果表明,在2×106pa压力下,氢油比为120:1,温度为300℃时,精制油收率达89.6%,热值和十六烷值较加氢前分别增加了17.94%和71.2%,黏度下降66.32%。元素分析和gc-ms分析表明,精制生物油的h/c原子比由1.55提高至1.97,氧、氮、硫含量明显降低,脱氧率达到80.46%。精制油中的有机酸、酯、酮、醛的含量明显降低,烷烃和醇醚含量明显增加。
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