Characterization of the bio-oil obtained by fast pyrolysis of sewage sludge in a conical spouted bed reactor

被引：107

作者：

Alvarez, J. ^{[1
]}

Lopez, G. ^{[1
]}

Amutio, M. ^{[1
]}

Artetxe, M. ^{[1
]}

Barbarias, I. ^{[1
]}

Arregi, A. ^{[1
]}

Bilbao, J. ^{[1
]}

Olazar, M. ^{[1
]}

机构：

[1] Univ Basque Country UPV EHU, Dept Chem Engn, POB 644, E-48080 Bilbao, Spain

来源：

FUEL PROCESSING TECHNOLOGY | 2016年 / 149卷

关键词：

Sewage sludge; Pyrolysis; Spouted bed reactor; Bio-fuel; FLUIDIZED-BED; FLASH PYROLYSIS; THERMOCHEMICAL CONVERSION; OPERATIONAL CONDITIONS; LIQUID; BIOMASS; GAS; TEMPERATURE; PRODUCTS; HYDROGEN;

D O I：

10.1016/j.fuproc.2016.04.015

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Sewage sludge fast pyrolysis bio-oil, produced in a conical spouted bed reactor (CSBR) in the 450-600 degrees C range, has been characterized. On the one hand, the effect of temperature on bio-oil composition has been analyzed by means of online chromatography and, furthermore, the ultimate analysis and the higher heating value of each liquid have been determined. On the other hand, the bio-oil collected at 500 degrees C, at which the liquid yield is maximized (77 wt.% on dry ash free), has been characterized in detail by determining its density, viscosity, water content and pH. The major organic compounds in the bio-oil were oxygenated and nitrogenated ones (phenols, ketones, alcohols, amides and nitriles among others). It is noteworthy that the bio-oil obtained in this work contains a lower amount of 0 than those derived from lignocellulosic materials; therefore, the concentrations of C and H in this bio-oil, as well as the lower heating value (LHV), are higher. In addition, the simulated distillation reveals that >70% of the sewage sludge pyrolysis oil corresponds to the gasoil range. The fuel properties of sewage sludge bio-oil evidence that it has the potential to substitute conventional fuels; however, some properties need to be improved, i.e., the heating value should be increased and the nitrogen content reduced by subjecting this bio-oil to further treatments. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：169 / 175

页数：7

共 48 条

[1] Fast co-pyrolysis of sewage sludge and lignocellulosic biomass in a conical spouted bed reactor [J].