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Modeling the evolved gas species from cashew nut shells pyrolysis
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.ORCID iD: 0000-0002-1837-5439
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
2006 (English)In: A and WM, Annual International Conference on Incineration and Thermal Treatment Technologies, IT3, 2006, 260-278 p.Conference paper, Published paper (Refereed)
Abstract [en]

Cashew nut shells are important biomass wastes abundant in most of the tropical countries. As biomass feedstock, they are important energy sources that can play an important role as fuel for energy generation through the ordinary thermochemical processes. However, although this potential as fuel, cashew nut shells are still rarely and weakly studied. In fact, studies on pyrolysis, gasification or combustion of cashew nut shells are not commonly found as it happens with wood related biomasses. On the other hand, it is known that pyrolysis plays a key role in any thermochemical conversion of biomass. In fact, biomass pyrolysis is a complex process that influences any of the three main thermochemical conversion processes of biomass into useful energy. This is due to the fact that pyrolysis characteristics do determine the char quality in which gasification and combustion are heavily dependent. Therefore, characterization of pyrolysis process is essential in thermochemical conversion processes. This makes the study of pyrolysis as mandatory in biomass fuels research. In this study, cashew nut shells are pyrolysed at three different low heating rates (10, 30 and 100°C/mn) using thermogravimetric analyser coupled with Fourier transform infrared spectrometer (TG-FTIR). Gas and tar evolution rates as well as yields and pyrolysis kinetics are obtained and compared with the data available in the literature for wood pellets and Miscanthus Giganteus under the same testing conditions. Further, these results are used as reference data for modeling pyrolysis at high heating rates as l,000and 10,000°C/s. The modeling aims at predicting yields and evolution rates of the pyrolysis products.

Place, publisher, year, edition, pages
2006. 260-278 p.
Series
A and WM, Annual International Conference on Incineration and Thermal Treatment Technologies, IT3, 1
Keyword [en]
Cashew nut shells, Heating rates, Kinetics, Pyrolysis, Biomass, Heating rate, Thermochemistry, Energy sources, Evolution rates, Agricultural wastes, Anacardium, Energy Production
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-155875Scopus ID: 2-s2.0-33947399259ISBN: 09232-04849 ISBN: 9780923204846 (print)OAI: oai:DiVA.org:kth-155875DiVA: diva2:763851
Conference
A and WM, 25th Annual International Conference on Incineration and Thermal Treatment Technologies, IT3., 15 May 2006 through 19 May 2006, Savannah, GA
Note

QC 20141117

Available from: 2014-11-17 Created: 2014-11-13 Last updated: 2014-11-17Bibliographically approved

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Yang, Weihong

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Tsamba, Alberto JúlioYang, WeihongBlasiak, Włodzimierz
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