Explosive degradation of woody biomass under the presence of metal nitrates |
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| Institution: | 1. Departamento de Matemática, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal;2. School of Mathematics and Statistics, University of New South Wales, Sydney, NSW 2052, Australia;1. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China;2. CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China;3. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China;1. State Environmental Protection Key Lab of Environmental Risk Assessment and Control on Chemical Processes, School of Resources & Environmental Engineering, East China University of Science and Technology, Shanghai 200237, PR China;2. Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, F-63178 Aubière, France;3. Univ Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON, F-69626 Villeurbanne, France;1. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Beijing 100085, PR China;2. State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering (IPE), Chinese Academy of Sciences (CAS), Beijing 100190, PR China;1. Department of Agricultural & Biosystems Engineering, South Dakota State University, 1400 North Campus Drive, Brookings, SD 57007, USA;2. School of Packaging, Michigan State University, 448 Wilson Road, East Lansing, MI 48824-1223, USA |
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| Abstract: | The influence of various metal nitrates (Fe, Ni, Cu, Zn, etc.) has been studied in the pyrolysis of woody biomass under inert atmosphere. Pyrolysis samples have been prepared by impregnation of wood with aqueous solution of the salts as well as by mechanical mixing of powders of wood and nitrates. Thermogravimetric analysis showed that the addition of nickel, copper and zinc nitrates reduced significantly the decomposition temperature of wood below 150 °C. The decomposition of wood completes explosively at the temperature. The pyrolysis products have been analysed by GC–MS and XRD methods. Preliminary result of the quantitative analysis of emitted NOx gas in the pyrolysis treatment is also presented. |
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