Chemical looping reforming of waste cooking oil in packed bed reactor

被引：67

作者：

Pimenidou, P. ^{[1
]}

Rickett, G. ^{[1
]}

Dupont, V. ^{[1
]}

Twigg, M. V. ^{[2
]}

机构：

[1] Univ Leeds, Energy & Resources Res Inst, Leeds LS2 9JT, W Yorkshire, England

[2] Johnson Matthey Orchard Lab, Royston SG8 5HE, England

来源：

BIORESOURCE TECHNOLOGY | 2010年 / 101卷 / 16期

基金：

英国工程与自然科学研究理事会;

关键词：

Chemical looping; Reforming; Waste oil; Nickel; Hydrogen; HYDROGEN-PRODUCTION; VEGETABLE-OILS; SUNFLOWER OIL; STEAM; PERFORMANCE; FEEDSTOCKS; BIODIESEL; GLYCEROL; CATALYST; METHANE;

D O I：

10.1016/j.biortech.2010.03.053

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Chemical looping steam reforming for hydrogen production from waste cooking oil was investigated using a packed bed reactor. The steam to carbon ratio of 4 and temperatures between 600 and 700 degrees C yielded the best results of the range of conditions tested. Six cycles at two weighted hourly space velocities (WHSV of 2.64 and 5.28 h(-1)) yielded high (>0.74) and low (<0.2) oil conversion fractions, respectively, representing low and high coking conditions. The WHSV of 2.64 h(-1) yielded product concentrations closest to equilibrium values calculated assuming a fresh rapeseed oil composition. Repeated cycling revealed some output oscillations in reactant conversion and in the extent of Ni-NiO conversion, but did not exhibit deterioration by the 6th cycle. The selectivity of CO, CO2 and CH4 were remarkably constant over the performed cycles, resulting in a repeatable syngas composition with H-2 selectivity very close to the optimum. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：6389 / 6397

页数：9

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