Effects of oxidative torrefaction conditions on the biomass liquid chemical looping reaction from the perspective of thermal behavior and kinetic analysis - Details

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Abstract：

Biomass　liquid　chemical　looping　conversion　process　(BLCLP)　can　produce　a　high-temperature　oxygen-depleted　stream.　Utilizing　the　oxygen-depleted　air　as　a　torrefaction　medium　can　enhance　biomass　reactivity　and　achieve　higher　energy　efficiency.　This　study　aimed　to　investigate　the　effect　of　torrefaction　conditions　on　biomass　reactivity　in　the　BLCLP.　The　torrefaction　under　proper　working　conditions　effectively　enhanced　the　release　of　biomass　volatiles.　The　increase　in　the　activation　energy　of　biomass　pyrolysis　after　oxidative　torrefaction　indicated　the　need　for　proper　control　of　the　torrefaction　condition.　More　importantly,　oxidative　torrefaction　promoted　the　reactivity　between　biochar　and　liquid　oxygen　carrier,　which　was　crucial　for　the　BLCLP.　The　activation　energy　of　the　reaction　between　biochar　and　Sb2O3　liquid　oxygen　carrier　calculated　by　the　DAEM　method　was　289.75–296.79　kJ·mol−1,　guiding　the　subsequent　reactor　design.　Ultimately,　the　optimal　torrefaction　conditions　for　the　BLCLP　were　determined　as　270　°C　and　3　vol%　oxygen　content.　©　2022　Elsevier　Ltd

Keyword：

Activation analysis Activation energy Antimony compounds Biomass Energy efficiency Gaussian distribution Liquefied gases Oxygen

Author Community：

[ 1 ] [Zhang, Rongjiang]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 2 ] [Guo, Wei]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 3 ] [Sun, Zhongshun]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 4 ] [Liu, Jingjun]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 5 ] [Yang, Panxi]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 6 ] [Wu, Zhiqiang]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 7 ] [Wang, Ziliang]School of Energy and Power Engineering, Shandong University, Jinan; 250061, China
[ 8 ] [Wang, Ziliang]National Engineering Laboratory for Reducing Emissions from Coal Combustion, Jinan; 250061, China
[ 9 ] [Wang, Ziliang]Department of Chemical and Biological Engineering, The University of British Columbia, 2360 East Mall, Vancouver; BC; V6T 1Z3, Canada
[ 10 ] [Yang, Bolun]Shaanxi Key Laboratory of Energy Chemical Process Intensification, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Shaanxi, Xi'an; 710049, China
[ 11 ] [Zhang, Rongjiang]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 12 ] [Guo, Wei]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 13 ] [Sun, Zhongshun]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 14 ] [Liu, Jingjun]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 15 ] [Yang, Panxi]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 16 ] [Wu, Zhiqiang]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 17 ] [Yang, Bolun]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, Shaanxi Key Lab Energy Chem Proc Intensificat, Xian 710049, Shaanxi, Peoples R China
[ 18 ] [Wang, Ziliang]Shandong Univ, Sch Energy & Power Engn, Jinan 250061, Peoples R China
[ 19 ] [Wang, Ziliang]Natl Engn Lab Reducing Emiss Coal Combust, Jinan 250061, Peoples R China
[ 20 ] [Wang, Ziliang]Univ British Columbia, Dept Chem & Biol Engn, 2360 East Mall, Vancouver, BC V6T 1Z3, Canada

Reprint Author's Address：

[Wu, Z.]Shaanxi Key Laboratory of Energy Chemical Process Intensification, Shaanxi, China;;

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Source ：

Fuel

ISSN： 0016-2361

Year： 2023

Volume： 331

6 . 6 0 9

JCR@2020

ESI Discipline： ENGINEERING;

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 9

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 7

Affiliated Colleges：

化学工程与技术学院化学工程与工艺系

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