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Process optimization for microwave-assisted direct liquefaction of Sargassum polycystum C.Agardh using response surface methodology

文献类型： 外文期刊

作者： Guo, Jingxue 1 ; Zhuang, Yingbin 1 ; Chen, Limei 2 ; Liu, Junhai 1 ; Li, Demao 2 ; Ye, Naihao 3 ;

作者机构： 1.Liaocheng Univ, Sch Chem & Chem Engn, Shandong Prov Key Lab Chem Energy Storage & Novel, Liaocheng 252059, Peoples R China

2.Liaocheng Univ, Sch Agr, Shandong Prov Key Lab Chem Energy Storage & Novel, Liaocheng 252059, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Key Lab Sustainable Utilizat Marine Fishery Resou, Qingdao, Peoples R China

关键词： Sargassum polycystum C.Agardh;Liquefaction;Response surface methodology;Bio-oil;Microwave

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）

ISSN： 0960-8524

年卷期： 2012 年 120 卷

页码：

收录情况： SCI

摘要： Response surface methodology (RSM) was used to optimize the microwave-assisted direct liquefaction of Sargassum polycystum C.Agardh in ethylene glycol (EG) with H2SO4 as a catalyst. Based on the results of single factor experiments, EG-to-feedstock ratio, temperature and catalyst content were chosen as independent variables for a central composite rotatable design (CCRD). The optimal liquefaction conditions were estimated as: the EG-to-feedstock ratio of 18.50:1 (w/w), the temperature of 170 degrees C, the reaction time of 15 min, catalyst content of 9.6% (catalyst/EG, w/w%) and microwave power of 400 W with the liquefaction yield of 87.70%. The bio-oils were mainly composed of fatty acid methyl ester and alkane with a long chain from C-17 to C-20. (c) 2012 Elsevier Ltd. All rights reserved.

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