Hydrodenitrogenation of fast pyrolysis bio-oil derived from sewage sludge on NiMo/Al2O3 sulfide catalyst

被引：33

作者：

Izhar, Shamsul ^{[1
]}

Uehara, Satoshi ^{[1
]}

Yoshida, Noboru ^{[2
]}

Yamamoto, Yugo ^{[2
]}

Morioka, Tohru ^{[3
]}

Nagai, Masatoshi ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Grad Sch Bioapplicat & Syst Engn, Koganei, Tokyo 1848588, Japan

[2] Wakayama Univ, Dept Environm Syst, Wakayama 6408510, Japan

[3] Kansai Univ, Fac Environm & Urban Engn, Suita, Osaka 5648680, Japan

来源：

FUEL PROCESSING TECHNOLOGY | 2012年 / 101卷

关键词：

Bio-oil; Sewage sludge; Hydrodenitrogenation; Sulfided NiMoP/Al2O3 catalyst; NITROGEN; HYDROTREATMENT; SHALE; GASIFICATION; PETROLEUM; EVOLUTION; BIOMASS; WOOD;

D O I：

10.1016/j.fuproc.2012.03.012

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Sulfided, phosphorus-added NiMo/Al2O3 catalyst was used for hydrodenitrogenation (HDN) of bio-oil derived from sewage sludge. The as-received bio-oil samples contained approximately 6% nitrogen. The bio-oil was dissolved in various solvents prior to hydrotreatment and the removal of nitrogen compounds was evaluated. The HDN of bio-oil dissolved in xylene at 350 degrees C over phosphorus added NiMo/Al2O3 resulted in a complete denitrogenation of bio-oil and high yield of aliphatic hydrocarbon containing product with moderate heating value. Bio-oil dissolved in non-polaric solvent (xylene) showed 2-3 times higher nitrogen removal than that of protic solvents due to the competition between denitrogenation and deoxygenation. This study reveals that sulfided NiMo/Al2O3 catalyst is an efficient approach to remove nitrogen heteroatom compounds prior to further upgrading bio-oil derived from sewage sludge. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：10 / 15

页数：6

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