Boosting the selectivity of aromatic hydrocarbons via ex-situ catalytic fast pyrolysis of cellulose over Pt-Sn-Ce/γ-Al2O3 catalyst

被引：11
|
作者：
Li, Wenbin [1 ,2 ,3 ,4 ]
Wang, Jida [4 ]
Wang, Zhen [4 ]
Chen, Jie [1 ]
Nie, Xiaoan [1 ]
Ding, Zhangshuai [4 ]
Wang, Dechao [2 ,3 ]
Zheng, Zhifeng [2 ,3 ]
Zheng, Yunwu [4 ]
Jiang, Jianchun [1 ]
机构：
[1] Chinese Acad Forestry, Inst Chem Ind Forestry Prod, Natl Engn Lab Biomass Chem Utilizat, CAF, Nanjing 210042, Jiangsu, Peoples R China
[2] Xiamen Univ, Fujian Prov Engn & Res Ctr Clean & High Valued Te, Xiamen 361102, Peoples R China
[3] Xiamen Univ, Coll Energy, Xiamen 361102, Peoples R China
[4] Southwest Forestry Univ, Yunnan Prov Int Joint Res Ctr Bioenergy, Kunming 650224, Yunnan, Peoples R China
来源：
JOURNAL OF THE ENERGY INSTITUTE | 2021年 / 98卷
基金：
中国国家自然科学基金;
关键词：
Pt-Sn-Ce/gamma-Al2O3; Cellulose; Aromatic hydrocarbons; IN-SITU; BIOMASS; CONVERSION; HZSM-5; COMPONENTS; OXIDATION; ZEOLITE; ZSM-5; OIL;
D O I：
10.1016/j.joei.2021.06.014
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Pt-Sn-Ce/gamma-Al2O3 catalysts were synthesized by the impregnation method and used to produce aromatic hydrocarbons (AHs)-rich bio-oil via catalytic fast pyrolysis of cellulose. The upgraded products were on-line analyzed by pyrolysis-comprehensive two-dimensional gas chromatography/mass spectrometry (Py-GC x GC/MS). It was found that Pt-Sn-Ce/gamma-Al2O3 catalysts were effective for improving the relative content of AHs in biooil. Especially, Pt-Sn-Ce/gamma-Al2O3 contributed the highest AHs content (85.82%), which was 3 times than that of gamma-Al2O3, and increased 85.44% compared with non-catalytic. In addition,Pt-Sn-Ce/gamma-Al2O3 and Pt-Sn/gamma-Al2O3 can generate the highest monocyclic aromatic hydrocarbons (MAHs) with the relative content of 60.24% and 51.92%, respectively. Pt-Sn-Ce/gamma-Al2O3 catalyst can be reused five times with stable catalytic activity to produce AHs-rich bio-oil.
引用
收藏
页码：144 / 152
页数：9
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