Optimization study of SiO2-Al2O3 supported bifunctional acid-base NiO-CaO for renewable fuel production using response surface methodology

被引:44
作者
Asikin-Mijan, N. [1 ,2 ]
Lee, H. V. [1 ]
Taufiq-Yap, Y. H. [2 ]
Abdulkrem-Alsultan, G. [2 ]
Mastuli, M. S. [2 ,3 ]
Ong, Hwai Chyuan [4 ]
机构
[1] Univ Malaya, Inst Postgrad Studies, Nanotechnol & Catalysis Res Ctr NanoCat, Kuala Lumpur 50603, Malaysia
[2] Univ Putra Malaysia, Fac Sci, Catalysis Sci & Technol Res Ctr PutraCat, Upm Serdang 43400, Selangor, Malaysia
[3] Univ Teknol MARA, Inst Sci, Ctr Nanomat Res, Shah Alam 40450, Selangor, Malaysia
[4] Univ Malaya, Fac Engn, Dept Mech Engn, Kuala Lumpur 50603, Malaysia
关键词
Silica-alumina; Hydrocarbon; Renewable diesel; Deoxygenation; Decarboxylation/decarbonylation; Triglyceride; CATALYTIC DEOXYGENATION; BIODIESEL PRODUCTION; VEGETABLE-OILS; FATTY-ACIDS; BED REACTOR; PALM OIL; BIO-OIL; TRIGLYCERIDES; HYDROCARBONS; DISTILLATE;
D O I
10.1016/j.enconman.2016.09.041
中图分类号
O414.1 [热力学];
学科分类号
摘要
Optimization study on NiO-CaO5/SiO2-Al2O3 catalysed deoxygenation of triolein towards paraffin yield was investigated. Response surface methodology-central composite design (RSM-CCD) was used to design the experiments with three operating parameters: catalyst loading (1-9 wt.%), reaction temperature (270-390 degrees C) and reaction time (30-150 min). The present study indicated that maximum yield of straight chain hydrocarbons (73.3%) was achieved under deoxygenation condition of 7 wt.% of catalyst, 340 degrees C within 60 min, which the interaction effect between reaction temperature-catalyst amount greatly influenced the straight chain hydrocarbons yield. In addition, the generated RSM model was statistically significant and adequate to predict the results with minimum error of <4%. The NiO-CaO5/SiO2-Al2O3 catalysed deoxygenation of triolein was mainly occured in decarboxylation/decarbonylation (deCOx) pathways of decomposed oleic acid, which lead to the majority of straight chain hydrocarbons at carbon ranged of C-17. Furthermore, the NiO-CaO5/SiO2-Al2O3 catalyst showed high reusability with maintained the straight chain hydrocarbons yield (>65%) for 4 consecutive reaction cycles. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:325 / 338
页数:14
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