Characterization of char and soot from millimetric wood particles pyrolysis in a drop tube reactor between 800 ℃ and 1400 ℃

S. Septien; S. Valin; M. Peyrot; C. Dupont; S. Salvador

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Characterization of char and soot from millimetric wood particles pyrolysis in a drop tube reactor between 800 ℃ and 1400 ℃

机译：在800℃至1400℃的滴管反应器中木材微粒热解产生的炭和烟尘的表征。

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Char and soot characterization was performed for samples obtained from beech particles pyrolysis in a drop tube reactor at various temperatures and residence times. Firstly, an experimental study was performed and highlights the variation of char and soot composition and reactivity with operating conditions. A structure ordering with temperature for soot samples was also experimentally put into evidence. These variations are believed to be consequence of structural changes during char thermal annealing and soot formation process, affecting both carbonaceous matrix and mineral matter. Secondly, a semi-empirical model was developed and validated with thermogravimetry experiments. This model was then used for conversion time estimation in conditions representative of an entrained flow reactor, and shows that a complete conversion of char and soot is possible in a few seconds under severe operating conditions.

机译：对在不同温度和停留时间下在滴管反应器中从山毛榉颗粒热解获得的样品进行炭和煤烟表征。首先，进行了一项实验研究，突出了炭和烟灰成分的变化以及反应条件与反应性的关系。还通过实验证明了烟灰样品随温度变化的结构顺序。这些变化被认为是炭热退火和烟灰形成过程中结构变化的结果，影响了碳质基质和矿物质。其次，建立了一个半经验模型并通过热重实验进行了验证。然后将该模型用于代表夹带流反应器的条件下的转化时间估计，结果表明在严酷的操作条件下，几秒钟内即可完全转化炭和烟灰。

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来源
《Fuel》 |2014年第4期|216-224|共9页
作者
S. Septien; S. Valin; M. Peyrot; C. Dupont; S. Salvador;
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作者单位

CEA, 17 rue des Martyrs, 38054 Grenoble cedex 09, France;

CEA, 17 rue des Martyrs, 38054 Grenoble cedex 09, France;

CEA, 17 rue des Martyrs, 38054 Grenoble cedex 09, France;

CEA, 17 rue des Martyrs, 38054 Grenoble cedex 09, France;

RAPSODEE, Mines-Albi, CNRS UMR 5302, 81013 Albi CT cedex 9, France;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Biomass pyrolysis; Char; Soot; Steam gasification; Thermal annealing;

机译：生物质热解;字符煤烟;蒸汽气化;热退火;

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1. Influence of steam on gasification of millimetric wood particles in a drop tube reactor: Experiments and modelling [J] . Santiago Septien, Sylvie Valin, Marine Peyrot, Fuel . 2013,第JANa期

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2. Study on product distributions and char morphology during rapid co-pyrolysis of platanus wood and lignite in a drop tube fixed-bed reactor [J] . Meng Haiyu, Wang Shuzhong, Chen Lin, Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies . 2016,第Null期

机译：滴管固定床反应器中铂木与褐煤快速共热解过程中产物分布及炭形态的研究
3. Study on product distributions and char morphology during rapid co-pyrolysis of platanus wood and lignite in a drop tube fixed-bed reactor [J] . Meng Haiyu, Wang Shuzhong, Chen Lin, Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies . 2016,第Null期

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4. STEAM GASIFICATION OF NASCENT CHAR FROM THE PYROLYSIS OF VICTORIAN BROWN COAL IN A DROP-TUBE/FIXED-BED REACTOR [C] . Taihei Shimada, Jun-ichiro Hayashi, Chirag Sathe, Japan-China Symposium on Coal and C1 Chemistry . 2003

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5. Development of a novel heterogeneous kinetics reactor and chemical characterization of soot particles [D] . Cain, Jeremy Patrick 2011

机译：新型异质动力学反应器的开发和烟尘颗粒的化学表征
6. Roles of Ion-ExchangeableSodium in the Conversion Process of Tarto Soot during Rapid Pyrolysis of Two Brown Coals in a Drop-Tube Reactor [O] . Heming Dong, Yu Zhang, Qian Du, 2020

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7. Characterization of char and soot from millimetric wood particles pyrolysis in a drop tube reactor between 800°C and 1400°C [O] . S. Septien, S. Valin, M. Peyrot, 2014

机译：从毫米木颗粒热解的表征在800℃和1400°C之间的下降管反应器中的毫米木颗粒热解
8. Radiative properties of char, fly-ash, and soot particles in coal flames. Technical progress report, December 15, 1994--March 30, 1995 [R] . Menguec, M. P., Manickavasagam, S., Govindan, R., 1996

机译：煤火焰中炭，粉煤灰和烟尘颗粒的辐射特性。技术进步报告，1994年12月15日 - 1995年3月30日

Characterization of char and soot from millimetric wood particles pyrolysis in a drop tube reactor between 800 ℃ and 1400 ℃

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