Coal char oxidation kinetics in air medium; MATEC Web of Conferences; Vol. 92 : Thermophysical Basis of Energy Technologies (TBET-2016)

Coal char oxidation kinetics in air medium; MATEC Web of Conferences; Vol. 92 : Thermophysical Basis of Energy Technologies (TBET-2016)

Dades bibliogràfiques
Parent link:	MATEC Web of Conferences Vol. 92 : Thermophysical Basis of Energy Technologies (TBET-2016).— 2017.— [01020, 5 p.]
Autor principal:	Korotkikh A. G. Aleksandr Gennadievich
Autor corporatiu:	Национальный исследовательский Томский политехнический университет (ТПУ) Энергетический институт (ЭНИН) Кафедра атомных и тепловых электростанций (АТЭС)
Altres autors:	Slusarskiy (Slyusarsky) K. V. Konstantin Vitalievich, Sorokin I. V. Ivan
Sumari:	Title screen Study of oxidation kinetics for three types of coal char with different carbon content in air is presented. The coal char powders of anthracite, bituminous T-grade coal and 2B-grade lignite with particle size less than 80 [mu]m were tested. The coal char oxidation was researched by isothermal method via simultaneous TG-DSC analyzer Netzsch STA 449 Jupiter F3 in the temperature range of 1000-1200 °C. Measurements were carried out at ambient pressure. Volumetric flow rate of oxidizing medium into analyser chamber was 250 ml/min. Flow consisted of air and argon with volumetric ratio 24/1. Carbon average rate of oxidation reaction at each temperature were defined based on experimental results. Kinetic constants (the frequency factor and activation energy) were defined for Arrhenius equation modified with three submodels: volumetric model, shrinking core model and random pore model. The activation energy values for anthracite are 1,6-1,7 times higher than for chars of bituminous coal and lignite.
Idioma:	anglès
Publicat:	2017
Matèries:	электронный ресурс труды учёных ТПУ кинетика окисления угли воздушные среды полукоксы анализаторы тепловые электростанции твердые топлива утилизация дымовые газы газификация
Accés en línia:	http://dx.doi.org/10.1051/matecconf/20179201020 http://earchive.tpu.ru/handle/11683/36725
Format:	xMaterials Electrònic Capítol de llibre
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652958

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