Relevant bibliographies by topics / Pyrolysis conditions

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Pyrolysis conditions'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 January 2023

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Journal articles on the topic "Pyrolysis conditions"

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Urbanovičs, Igors, Gaļina Dobele, Vilhelmīne Jurkjane, Valdis Kampars, and Ēriks Samulis. "PYROLYTIC OIL - A PRODUCT OF FAST PYROLYSIS OF WOOD RESIDUES FOR ENERGY RESOURCES." Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (June 23, 2007): 16. http://dx.doi.org/10.17770/etr2007vol1.1742.

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The application of renewable energy resources for energy production becomes increasingly urgent worldwide. Fast pyrolysis is one of the trends of obtaining liquid fuel from solid biomass.The aim of the present study was to investigate the yield, chemical composition, physical properties and water amount of hardwood pyrolytic oil (PO) depending on the pyrolysis and pre-treatment conditions in an ablative type reactor.The results of the analysis of the heat capacity of pyrolytic oil show an increase in this parameter from 12 MJ/kg (without drying) to 15-16 MJ/kg, drying the wood, and then pyrolysing it.Pyrolytic oil with a decreased amount of pyrolytic water and a high heat capacity was obtained in an ablative type reactor, drying the wood and then pyrolysing it. For the pyrolytic oil obtained in the two-stage fast pyrolysis equipment process, pH increases.
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Alagu, R. M., and E. Ganapathy Sundaram. "Experimental Studies on Thermal and Catalytic Slow Pyrolysis of Groundnut Shell to Pyrolytic Oil." Applied Mechanics and Materials 787 (August 2015): 67–71. http://dx.doi.org/10.4028/www.scientific.net/amm.787.67.

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Pyrolysis process in a fixed bed reactor was performed to derive pyrolytic oil from groundnut shell. Experiments were conducted with different operating parameters to establish optimum conditions with respect to maximum pyrolytic oil yield. Pyrolysis process was carried out without catalyst (thermal pyrolysis) and with catalyst (catalytic pyrolysis). The Kaolin is used as a catalyst for this study. The maximum pyrolytic oil yield (39%wt) was obtained at 450°C temperature for 1.18- 2.36 mm of particle size and heating rate of 60°C/min. The properties of pyrolytic oil obtained by thermal and catalytic pyrolysis were characterized through Fourier Transform Infrared Spectroscopy (FT-IR) and Gas Chromatography-Mass Spectrometry (GC-MS) techniques to identify the functional groups and chemical components present in the pyrolytic oil. The study found that catalytic pyrolysis produce more pyrolytic oil yield and improve the pH value, viscosity and calorific value of the pyrolytic oil as compared to thermal pyrolysis.
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Chlup, Zdeněk, Martin Černý, Adam Strachota, and Ivo Dlouhý. "Role of Pyrolysis Conditions on Fracture Behaviour of Fibre Reinforced Composites." Key Engineering Materials 465 (January 2011): 455–58. http://dx.doi.org/10.4028/www.scientific.net/kem.465.455.

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Fracture response of matrix prepared by pyrolysis of polysiloxane resin used for composite reinforced by long fibres was the main goal of this contribution. A set of composites with matrix prepared by partial pyrolysis of polysiloxane resin was studied. An effect of pyrolysis temperature on the composite behaviour and fracture resistance was monitored. An optimal procedure of pyrolysis was established. Heat treatment at 1550°C in air atmosphere was conducted on fully pyrolysed matrix to explore its high temperature potential. Determination of reliable parameters characterising microstructural changes in the matrix by instrumented indentation technique was used. Both optical and scanning electron microscopy was employed in microstructural observations and fracture mechanism qualification. Observation of indents and associated cracking caused by microstructural changes as well as 3D surface reconstruction using confocal microscopy was employed.
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Aliyev, A. M., A. R. Safarov, I. V. Balayev, I. I. Osmanova, and A. M. Guseynova. "CONTROL OF PROPANE PYROLYSIS PROCESS IN NONSTATIONARY CONDITIONS." Azerbaijan Chemical Journal, no. 1 (March 12, 2020): 6–10. http://dx.doi.org/10.32737/0005-2531-2020-1-6-10.

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Acosta, Rolando, Claudia Tavera, Paola Gauthier-Maradei, and Debora Nabarlatz. "Production of Oil and Char by Intermediate Pyrolysis of Scrap Tyres: Influence on Yield and Product Characteristics." International Journal of Chemical Reactor Engineering 13, no. 2 (June 1, 2015): 189–200. http://dx.doi.org/10.1515/ijcre-2014-0137.

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Abstract Scrap tyres represent a severe environmental problem that must be solved by developing technologies allowing the processing of high quantities of this residue. This work presents the results of pyrolysis oil and pyrolytic char production by intermediate pyrolysis of rubber recovered from scrap tyres. The influence of process variables such as particle size, temperature and reaction time on the characteristics of the products obtained was analysed. Maximal yields of 52.56 and 39.50 wt% of pyrolysis oil and pyrolytic char, respectively, were obtained, under operational conditions that favoured the production of pyrolysis oil. The products obtained were a pyrolytic char with a maximal surface area of 85.16 m2/g and fixed carbon content of 78.55 wt%; and pyrolysis oil with a higher heating value of 42.94 MJ/kg, real density of 0.948 g/mL, viscosity 2.29×10−3 Pa s and acidity between 0.39 and 1.57 mg KOH/g. The highest total aromatics (benzene, toluene, xylenes and ethylbenzene) yield in pyrolysis oil was obtained at a temperature of 466°C and volumetric gas flow of 155 NmL/min. In addition, at these conditions, the pyrolysis oil having the maximum aromatic yield showed the lowest acidity. Nevertheless, it was observed that the highest pyrolysis oil yield does not necessarily lead to a higher yield of aromatics.
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Banciu, MD, RFC Brown, KJ Coulston, FW Eastwood, C. Jurss, I. Mavropoulos, M. Stanescu, and UE Wiersum. "Formation of Cyclopent[hi]acephenanthrylene From 1,2-, 1,3-, 1,4- and 2,3-Triphenylenedicarboxylic Acid Derivatives on Flash Vacuum Pyrolysis at >900°C." Australian Journal of Chemistry 49, no. 9 (1996): 965. http://dx.doi.org/10.1071/ch9960965.

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The processes involved in the conversion of triphenylene , C18H12, into cyclopent [hi] acephenanthrylene, C18H10, under flash vacuum pyrolytic conditions at 900-1100°C have been investigated by pyrolysing triphenylene-1,2- and -2,3-dicarboxylic anhydrides and diallyl triphenylene-1,3- and -1,4-dicarboxylates to give the corresponding didehydrotriphenylenes in the gas phase. These didehydro intermediates are converted into mixtures of cyclopent [hi] acephenanthrylene and triphenylene in different yields and proportions. Pyrolysis of 9,10-diethynylphenanthrene. C18H10, yields cyclopent [hi] acephenanthrylene in good yield. Pyrolysis of 1-nitrotriphenylene and allyl triphenylene-2-carboxylate to give the triphenylen-1-yl and -2-yl radicals leads to formation of the same products. Mechanisms involving radical rearrangements (C18H11 species) and benzyne-cyclopentadienylidenecarbene and ethyne-ethenylidene rearrangements (C18H10 species) are discussed.
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Sarkar, Aparna, Sudip De Sarkar, Michael Langanki, and Ranjana Chowdhury. "Studies on Pyrolysis Kinetic of Newspaper Wastes in a Packed Bed Reactor: Experiments, Modeling, and Product Characterization." Journal of Energy 2015 (2015): 1–8. http://dx.doi.org/10.1155/2015/618940.

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Newspaper waste was pyrolysed in a 50 mm diameter and 640 mm long reactor placed in a packed bed pyrolyser from 573 K to 1173 K in nitrogen atmosphere to obtain char and pyro-oil. The newspaper sample was also pyrolysed in a thermogravimetric analyser (TGA) under the same experimental conditions. The pyrolysis rate of newspaper was observed to decelerate above 673 K. A deactivation model has been attempted to explain this behaviour. The parameters of kinetic model of the reactions have been determined in the temperature range under study. The kinetic rate constants of volatile and char have been determined in the temperature range under study. The activation energies 25.69 KJ/mol, 27.73 KJ/mol, 20.73 KJ/mol and preexponential factors 7.69 min−1, 8.09 min−1, 0.853 min−1of all products (solid reactant, volatile, and char) have been determined, respectively. A deactivation model for pyrolysis of newspaper has been developed under the present study. The char and pyro-oil obtained at different pyrolysis temperatures have been characterized. The FT-IR analyses of pyro-oil have been done. The higher heating values of both pyro-products have been determined.
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Jasminská, Natália, Tomáš Brestovič, and Mária Čarnogurská. "THE EFFECT OF TEMPERATURE PYROLYSIS PROCESS OF USED TIRES ON THE QUALITY OF OUTPUT PRODUCTS." Acta Mechanica et Automatica 7, no. 1 (March 1, 2013): 20–25. http://dx.doi.org/10.2478/ama-2013-0004.

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Abstract Pyrolysis together with gasification and combustion create a group of so called thermic processes. Unlike the combustion it is based on thermic decomposition of organic materials without any access of oxidative media. Within the pyrolytic process, three main fractions are created: solid residue, pyrolytic gas and organic liquid product - pyrolytic oil. The presented article examines the effects of pyrolysis operational conditions (above all, temperature) on gas products, solid residues and liquid fractions.
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Raclavská, Helena, Hana Škrobánková, Petr Pavlík, and Veronika Sassmanová. "The Properties of Material from Recovered TetraPak Beverage Cartons." Applied Mechanics and Materials 832 (April 2016): 3–9. http://dx.doi.org/10.4028/www.scientific.net/amm.832.3.

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Energy utilization (pyrolysis) of residue from fibre recycling of used beverage cartons is very important. Identification the optimal technology for separation of aluminium from pyrolytic carbon and assessment of its quality in relationship to the pyrolysis conditions is necessary for recycling of Al. The particles of pyrolytic carbon are not pure carbon, they contain only from 65 to 83 % of carbon, the rest in ash coming from sorting and collection of waste (glass, porcelain). Process of pyrolysis and/or utilization of charge reactor influenced the chemical composition of Al particles by carbon enrichment at the rim of particles up to 30 % leading to decrease of reactivity of Al surface.
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Li, Wen Yan, Lei Qiang Zhao, Hang Tao Liao, and Qiang Lu. "Production and Characterization of Rice Husk Chars Obtained under Different Conditions." Advanced Materials Research 805-806 (September 2013): 228–31. http://dx.doi.org/10.4028/www.scientific.net/amr.805-806.228.

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Rice husk was subjected to slow and fast pyrolysis under different reaction conditions, to investigate the effects of several pyrolysis factors on the physicochemical properties of the rice husk chars, including the pyrolysis heating rate, cooling rate and resident time. The results indicated that the char yield did not show great changes during the slow pyrolysis process, while it was gradually decreased along with the resident time during the fast pyrolysis process. With the elevating of the pyrolysis conditions, the carbon content of the chars was increased monotonically, while the oxygen content was decreased. Moreover, the rice husk and its chars greatly differed in their functional groups, resulting from various decompositon, decarbonylation and aromatization reactions during the pyrolysis process.
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Dissertations / Theses on the topic "Pyrolysis conditions"

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Wretborn, Tobias. "Pyrolysis of Wood Chips : Influence of Pyrolysis Conditions on Charcoal Yield and Charcoal Reactivity." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-179.

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At a steel mill, charcoal from biomass is a potential substitute to coal as a reducing agent in the Blast Furnace. The steel industry accounts for 5 % of the global CO2 emissions. Charcoal, being a renewable fuel, has the potential to mitigate the steel industry’s contribution to global warming. If charcoal were to replace the pulverized coal injected into one of Sweden´s two blast furnaces an estimated 1,13 Mton raw biomass per year would be required, this is equivalent to 2,5 % of the total available biomass in Sweden the year 2020 . If this is to be realized, a well optimized pyrolysis process for charcoal production would be required, a process with high charcoal yield that minimize the biomass consumption. This report presents a study on pyrolysis of wood chips. The two main objectives of this work have been to find pyrolysis conditions, applicable in a real process, that increase the charcoal yield and also to investigate how the reactivity of the charcoal is affected by these conditions. A hypothesis with two approaches has been proposed and evaluated experimentally. It has been proposed that the charcoal yield is increased if the tar found in the pyrolysis gases are condensed and returned to impregnate the ingoing wood before undergoing a second pyrolysis step. Or, the charcoal yield is increased by letting the tar impregnate the outgoing charcoal before the two undergoes a second pyrolysis step. The hypothesis has been evaluated in a laboratory where pyrolysis has been conducted on chips from fir wood together with bio-oil. The bio-oil has been used to resemble tar. It has been concluded that by recycling tar the charcoal yield is increased. Pyrolysis of fir wood at 340 oC yields 32 % charcoal. If the wood is impregnated before the pyrolysis with an amount of bio-oil equivalent to a tar yield of 25 % the charcoal yield is increased to 37,7 %. It is possible to say, with 80 % confidence, that pyrolysis of wood and bio-oil gives a higher charcoal yield if the two undergoes pyrolysis while being in contact with each other instead of being separated. The charcoal yield is not increased by pyrolysis of charcoal impregnated with bio-oil. There is no difference in reactivity between charcoals from impregnated wood and plain wood.
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Makhadmeh, Leema al. "Coal pyrolysis and char combustion under oxy-fuel conditions." Aachen Shaker, 2009. http://d-nb.info/996033009/04.

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Gan, Yaodong. "Thermogravimetric Analysis of Coal Blends Under Conditions of Pyrolysis & Combustion." TopSCHOLAR®, 1989. https://digitalcommons.wku.edu/theses/2370.

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In recent years, the growing attention to coal quality by coal-burning utilities has led to an increase in coal blending. Coal blending is done with both economics and the quality of coal in mind. To assess the quality of coal, pyrolysis and combustion influencing thermal parameters, as measured in thermogravimetric analysis (TGA) experiments can be applied. The coal industry needs a study to determine relationships that may exist between the measured values of TGA thermal parameters in individual coals and those in the blends. The TGA thermal parameters are the weight loss, Tmax, Ti, T1/2, tmax, tbreak point, tcombustion end point, Rmax and residue. With these relationships, there exists the possibility of accurate prediction of values of these parameters in the coal blends. In this study, a series of coal blends were prepared and thermal parameters for the blends were measured to examine the additive or nonadditive nature of results obtained under both pyrolysis and combustion conditions using thermogravimetric analysis.
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Al-Makhadmeh, Leema [Verfasser]. "Coal Pyrolysis and Char Combustion Under Oxy-Fuel Conditions / Leema Al-Makhadmeh." Aachen : Shaker, 2009. http://d-nb.info/115983475X/34.

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Kong, Zhaoying. "Effects of pyrolysis conditions and biomass properties on leachability and recyclability of inorganic nutrients in biochars produced from mallee biomass pyrolysis." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/1956.

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Using biochar as a soil amendment agent can recycle a majority of inherent inorganic nutrients in biomass to the soil, largely enhancing the overall sustainability of pyrolysis technology. This work investigates the effects of pyrolysis conditions and biomass properties on the leachability and recyclability of nutrients in mallee biochars. Understanding the relationships between biochar preparation conditions and biochar nutrients recyclability will aid the optimisation of suitable conditions to produce biochar with excellent leachability.
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Kelly, David Paul. "A study into the effects of pyrolysis fuels, pyrolysis conditions and the identification of chemical markers in grapes and wine as smoke taint." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/1075.

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Taxonomically distinct vegetation fuels were used to generate smoke for fumigating grapevines to examine the influence of lignin makeup on smoke taint compounds that accrue in wine. Vegetation type had no effect on taint accumulation. Phenol, m-cresol and p-cresol glycoconjugates were closely associated with harsh smoke taint descriptors. While cultivars had similar smoke uptake sensitivity, winemaking method had distinct impact: red winemaking releases 80% of grape phenols compared to 20-35% for white winemaking.
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Somrang, Yatika. "Effect of operating conditions on product distributions and bio-oil ageing in biomass pyrolysis." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/9202.

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Alternatives to petroleum-derived fuels are receiving significant interest in order to reduce dependence on finite resources of fossil fuels and to lower fossil-derived CO2 emissions. The present study addresses the production of bio-oil from biomass pyrolysis, one of the potential renewable substitutes to petroleum-derived fuels. The first objective of this work was to investigate the effect of pyrolysis operating parameters, i.e. temperature, heating rate and pyrolysis time, on product distributions in a wire-mesh reactor (WMR) which was designed to minimise secondary reactions. It has been found that high heating rate promotes melting of biomass and this facilitates volatile ejection, thereby resulting in high yield of large bio-oil molecules and high combustion reactivity of residual char. Maximum bio-oil yield is obtained at 500 °C for both rice husk and beech wood whereas a relatively low pyrolysis temperature, e.g. 350 °C, does not allow complete pyrolysis to take place. Chars produced from long holding time and high temperature tests show a decrease in the TGA combustion reactivity which is due to thermal annealing. The comparison between bio-oils obtained from the WMR and Gray-King retort demonstrates the impact of reactor configuration on the variation of bio-oil properties. The unstable nature of bio-oils provided the second objective of this work. The ageing behaviour of bio-oil and the use of organic solvents to improve the bio-oil properties have been investigated. Polymerisation plays a key role in bio-oil ageing and is enhanced by high temperature. Only slight changes in functional groups have been observed by 13C-NMR and FT-IR. UV-F results suggest that phenolic resin formation is one of the polymerisation reactions occurring during bio-oil ageing. With the addition of methanol and acetone to bio-oil, the extent of polymerisation decreases and NMR results indicate the formation of hemiacetals/acetals.
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Shen, Qiqing. "Rapid Pyrolysis of Raw and Pretreated Biomass under Conditions Pertinent to Pulverized Fuel Applications." Thesis, Curtin University, 2021. http://hdl.handle.net/20.500.11937/86933.

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This Ph.D. study investigates the rapid pyrolysis of biomass at high temperatures and the properties of derived char samples under various conditions. A novel drop-tube furnace was used to experimentally determine the accurate char yields after rapid pyrolysis at 1300°C, which is realized for the first time. Based on true char yield, the evolution of char properties was revealed, and the retention of inorganic species, the transformation of particle shape during rapid pyrolysis were quantified.
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McMasters, Brian Philip. "Effect of Fuel Chemical Composition on Pyrolytic Reactivity and Deposition Propensity under Supercritical Conditions." University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1398682863.

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Christodoulou, Mélina. "Pyrolyse de bois dans les conditions d'un lit fluidisé : étude expérimentale et modélisation." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0200/document.

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Ce travail s'inscrit dans le projet français de gazéification de la biomasse : le projet Gaya. C'est un vaste programme R&D partenarial coordonné par GDF SUEZ et soutenu par l'ADEME. L'objectif du projet Gaya est de développer une filière décentralisée de production de bio-méthane à partir de la gazéification de la biomasse selon un procédé thermochimique de deuxième génération. L'objectif de cette thèse est de réaliser un modèle de pyrolyse de biomasse représentatif des conditions du lit fluidisé de gazéification développé dans ce projet. Un pilote expérimental, le four à image, a été développé pour reproduire au mieux les conditions de chauffage d'un lit fluidisé à 850°C. Ce pilote permet de récupérer l'ensemble des produits de pyrolyse pour une analyse ultérieure. De là, les cinétiques des réactions de pyrolyse sont déterminées par modélisation des processus physico-chimiques et optimisation à partir des résultats expérimentaux. Le craquage des vapeurs primaires de pyrolyse éjectées de la particule de biomasse est étudié durant 300 millisecondes après leur éjection de la particule de biomasse. Ces expériences de craquage sont menées sur le montage expérimental combinant un réacteur tubulaire de pyrolyse et un réacteur parfaitement auto-agité de craquage. Le modèle développé permet de représenter la pyrolyse de la biomasse introduite dans le réacteur de gazéification
This study contributes to the French biomass gasification project: Gaya project. It is a large R&D project financed by ADEME and coordinated by GDF SUEZ. The project GAYA will develop a demonstration platform for a new biomass gasification and methanation process. In this context, our objective is to build a biomass pyrolysis model, representative of the conditions encountered in the fluidized bed gasifier developed in this project. An experimental machine, the vertical image furnace, has been developed to reproduce the heat conditions of the fluidized bed gasifier at 850°C. This experimental model permits to collect all the pyrolysis products for a later analysis. Then, kinetics parameters are determined from both the physico-chemical process and the optimization of experimental results. The thermal cracking of condensable vapours, is studied during the first 300th milliseconds after their ejection from the biomass particle. For this purpose, cracking experiments are led on the experimental machine which combines a tubular pyrolysis reactor and a continuous self-stirred tank cracking reactor. The model developed allows us to represent the biomass pyrolysis introduced in the gasification reactor
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Book chapters on the topic "Pyrolysis conditions"

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Ashraf, Chowdhury, Sharmin Shabnam, Yuan Xuan, and Adri C. T. van Duin. "Application of ReaxFF-Reactive Molecular Dynamics and Continuum Methods in High-Temperature/Pressure Pyrolysis of Fuel Mixtures." In Computational Approaches for Chemistry Under Extreme Conditions, 161–85. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05600-1_7.

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Kelbon, Marcia, Scott Bousman, and Barbara Krieger-Brockett. "Conditions That Favor Tar Production from Pyrolysis of Large, Moist Wood Particles." In ACS Symposium Series, 41–54. Washington, DC: American Chemical Society, 1988. http://dx.doi.org/10.1021/bk-1988-0376.ch005.

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Haykiri-Acma, Hanzade, and Serdar Yaman. "Effects of Pyrolysis Conditions on Structural Ingredients and Functional Groups of Hybrid Poplar." In Progress in Sustainable Energy Technologies: Generating Renewable Energy, 427–37. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07896-0_25.

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Kumagai, Toshiya, Takaaki Manabe, Yuichi Yajima, Iwao Yamaguchi, Susumu Nakamura, Wakichi Kondo, and Susumu Mizuta. "Effect of Prefiring Conditions on Crystallization of Y123 Films by Dipping-Pyrolysis Process." In Advances in Superconductivity X, 669–72. Tokyo: Springer Japan, 1998. http://dx.doi.org/10.1007/978-4-431-66879-4_157.

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Samolada, M. C., and I. A. Vasalos. "Effect of Experimental Conditions on the Composition of Gases and Liquids from Biomass Pyrolysis." In Advances in Thermochemical Biomass Conversion, 859–73. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1336-6_67.

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Ashwath, Nanjappa, Hyungseok Nam, and Sergio C. Capareda. "Optimising Pyrolysis Conditions for Thermal Conversion of Beauty Leaf Tree (Calophyllum inophyllum L.) Press Cake." In Application of Thermo-fluid Processes in Energy Systems, 267–80. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-0697-5_12.

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Ahmad, Rabi K., S. A. Sulaiman, M. Inayat, and Hadiza A. Umar. "Effects of Process Conditions on Calorific Value and Yield of Charcoal Produced from Pyrolysis of Coconut Shells." In Lecture Notes in Mechanical Engineering, 253–62. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5753-8_24.

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Varma, Anil Kumar, Ravi Shankar, and Prasenjit Mondal. "A Review on Pyrolysis of Biomass and the Impacts of Operating Conditions on Product Yield, Quality, and Upgradation." In Recent Advancements in Biofuels and Bioenergy Utilization, 227–59. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1307-3_10.

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Remón, Javier, Pedro Arcelus-Arrillaga, Jesús Arauzo, Lucía García, and Marcos Millan-Agorio. "Pyrolysis Bio-Oil Upgrading to Renewable Liquid Fuels by Catalytic Hydrocracking: Effect of Operating Conditions on the Process." In Mediterranean Green Buildings & Renewable Energy, 491–500. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30746-6_36.

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Remón, Javier, Pedro Arcelus-Arrillaga, Jesús Arauzo, Lucía García, and Marcos Millan-Agorio. "Liquid and Gas Biofuels from the Catalytic Re-forming of Pyrolysis Bio-Oil in Supercritical Water: Effects of Operating Conditions on the Process." In Mediterranean Green Buildings & Renewable Energy, 479–90. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-30746-6_35.

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Conference papers on the topic "Pyrolysis conditions"

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Ticha, Monika. "PYROLYSIS OF POLYETHYLENE IN THE LABORATORY CONDITIONS." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. STEF92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018v/4.3/s05.012.

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Gupta, Ashwani K., and Eugene L. Keating. "Pyrolysis and Oxidative Pyrolysis of Polystyrene." In ASME 1993 International Computers in Engineering Conference and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/cie1993-0055.

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Abstract Equilibrium thermochemical calculations of polystyrene are presented here under conditions of pyrolysis and oxidative pyrolysis. Oxidative pyrolysis is examined using both air and oxygen for varying moisture content in the polystyrene. The pyrolysis of polystyrene at different temperatures prior to its oxidative pyrolysis provided significantly different results. Product gas volume and flame temperature is significantly affected by the pyrolysis temperature, nature and amount of the oxidant and the amount of moisture in the waste. Results reveal significant effect of controlled combustion on the amount and nature of the chemical species formed. The results also reveal that advanced combustion process can significantly reduce the extent of post processing of gases required, and hence the size of the equipment, for achieving environmentally acceptable thermal destruction system of the solid wastes.
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Chiaverini, Martin, George Harting, Yeu-Cherng Lu, Kenneth Kuo, Arie Peretz, Steve Jones, Brian Wygle, et al. "Pyrolysis behavior of hybrid rocket solid fuels under rapid heating conditions." In 33rd Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1997. http://dx.doi.org/10.2514/6.1997-3078.

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Wilson, James R., and Stephen A. Whitmore. "Pyrolysis of Acrylonitrile-Butadiene-Styrene (ABS) Under High Heat Flux Conditions." In 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-3752.

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Hu, Xizhuo, Zhi Tao, Jianqin Zhu, and Haiwang Li. "Numerical Study of Pyrolysis Effects on Supercritical-Pressure Flow and Conjugate Heat Transfer of N-Decane in the Square Channel." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63970.

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Regenerative cooling has become the most effective and practical method of thermal protection to the high temperature structures of scramjet engines. Pyrolytic reactions of endothermic hydrocarbon fuel have significant influence on the regenerative cooling process at high temperature due to a large amount of heat absorption and fluid components change. In this paper, a three-dimensional (3D) model is developed for numerically investigating the flow and heat transfer of pyrolytic reacted n-decane in the square engine cooling channel under supercritical pressure with asymmetrical heating imposed on the bottom channel surface. The one-step global pyrolytic reaction mechanism consisting of 18 species is adopted to simulate the pyrolysis process of n-decane. The governing equations for species continuum, momentum, energy and the k-ω turbulence equation are properly solved, with accurate computations of the thermophysical and transport properties of fluid mixture, which undergo drastic variations and exert strong impact on fluid flow and heat transfer process in the channel. The numerical method is validated based on the good agreement between the current predictions and the experimental data. Numerical studies of the pyrolysis effects on the characteristics of flow resistance and conjugate heat transfer under various operating conditions have been conducted. Results reveal that pyrolysis intensively takes place in high temperature regions. The pressure drop along the channel steeply rise due to the further fluid acceleration caused by pyrolysis. It is found that the variations of heat flux at the bottom, top and side fluid-solid-interface walls are totally different. Pyrolysis could lead to greater heat transfer enhancement at the bottom interface, consequently, more heat is transferred into the fluid region through the bottom interface. The dual effects of heat absorption and enhanced heat transfer caused by pyrolysis produce strong influence on the wall temperature. The mechanism of these physicochemical phenomena are also analyzed in detail, which is conducive to fundamentally understand the complicated physicochemical process of regenerative cooling. The present work has profound significance for the development of regenerative cooling technology.
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Stepkova, Katerina. "EVALUATION OF THE WASTE TIRES PYROLYSIS PROCESS AT VARIOUS LABORATORY PROCESSING CONDITIONS." In 13th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION. Stef92 Technology, 2013. http://dx.doi.org/10.5593/sgem2013/be5.v1/s20.060.

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Rudakova, Maya. "EFFECTS OF PYROLYSIS CONDITIONS ON PHYSICAL PROPERTIES OF CHICKEN MANURE DERIVED BIOCHAR." In 18th International Multidisciplinary Scientific GeoConference SGEM2018. Stef92 Technology, 2018. http://dx.doi.org/10.5593/sgem2018/6.3/s26.019.

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Racek, Jakub. "MICROWAVE PYROLYSIS TREATMENT OF SEWAGE SLUDGE: PERFORMED AT LABORATORY AND FULL-SCALE CONDITIONS." In 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017h/43/s18.014.

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Rahbari, A., M. Bidabadi, and M. Azimi. "Mathematical Modeling of Biomass Pyrolysis." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-13162.

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In this research, the structure of laminar, one-dimensional and steady flame propagation in uniformly premixed particle-wood is analyzed. The structure of the flame is composed of three zones: a preheat zone, a narrow reaction zone and a post flame zone. In the preheat zone, the rate of reaction between fuel and oxidizer is assumed to be small and also it is presumed that the fuel particles vaporize to yield a gaseous fuel of known chemical structure when enter the reaction zone. Then in the reaction zone, composed of gas, tar and char combustion, the convective terms and vaporization terms in the conservation equations are presumed to be small and in the post flame zone, the diffusive terms in the conservation equations are assumed to be small in comparison with other parameters. The governing equations in each zone, considering these assumptions, are solved using the required boundary and matching conditions. Consequently, the variation of burning velocity and flame temperature as a function of equivalence ratio are presented as the outcome of this research.
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Jian-jun Wu, Kun Cao, Wei Xiao, Hong-tao Zhao, and Wei Xu. "Influence by pyrolysis process conditions of heat carrier on properties of coal tar pitch." In Environment (ICMREE). IEEE, 2011. http://dx.doi.org/10.1109/icmree.2011.5930665.

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Reports on the topic "Pyrolysis conditions"

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Lowden, Richard Andrew, John D. Hunn, Stephen D. Nunn, Andrew K. Kercher, Jeffery R. Price, and Gerald Earle Jellison Jr. Effects of deposition conditions on the properties of pyrolytic carbon deposited in a fluidized bed. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/974577.

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