Directional synthesis of liquid higher olefins through catalytic transformation of bio-oil

被引：13

作者：

Yuan, Yanni ^{[1
]}

Bi, Peiyan ^{[1
]}

Fan, Minghui ^{[1
]}

Zhang, Zhaoxia ^{[1
]}

Jiang, Peiwen ^{[1
]}

Li, Quanxin ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Chem Phys, Anhui Key Lab Biomass Clean Energy, Hefei 230026, Peoples R China

来源：

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 2014年 / 89卷 / 02期

基金：

中国国家自然科学基金;

关键词：

bio-oil; higher olefins; catalytic cracking; olefins oligomerization; FISCHER-TROPSCH OLEFINS; ALUMINOSILICATES AL-MTS; BIOMASS PYROLYSIS OIL; ALPHA-OLEFINS; ETHYLENE OLIGOMERIZATION; HZSM-5; ZEOLITE; LIGHT OLEFINS; ALKENE OLIGOMERIZATION; PHASE OLIGOMERIZATION; OXYGENATE COMPONENTS;

D O I：

10.1002/jctb.4107

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

BACKGROUNDCatalytic transformation of bio-oil into higher olefins can provide valuable bio-fuels and chemicals used in the manufacture of high-octane gasoline, detergents, plasticizers and other petrochemicals. This work explores the production of higher olefins from bio-oil through catalytic cracking of bio-oil along with light olefins oligomerization. RESULTSFor bio-oil catalytic cracking, the olefins yield reached 43.8 C-mol% with near-complete bio-oil conversion. The oxygenated organic compounds in bio-oil go through deoxygenation, cracking and hydrogen transfer reactions and form light olefins over the zeolite acid sites. For the oligomerization of light olefins, the highest selectivity and yield of C-5(+) olefins over the LTGO catalyst reached 85.4 C-mol% and 326.7 g kg(cata)(-1) h(-1), respectively. Main products below 300 degrees C were (C6C12=)-C-= olefins, originating from light olefin oligomerization. The influences of the reaction conditions were investigated in detail, and the reaction mechanism was addressed. CONCLUSIONBio-oil can be catalytically converted to C-2(=)-C-4(=) light olefins over HZSM-5, and further selectively transformed to C-5(+) high olefins via the oligomerization of light olefins over LTGO. The transformation of bio-oil to higher olefins may be useful for the production of bio-fuels and high value chemicals using renewable biomass. (c) 2013 Society of Chemical Industry

引用

页码：239 / 248

页数：10

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