Journal of Siberian Federal University. Engineering & Technologies / Influence of Mineral Components on Reactionary Ability of Brown Coal at Steam Gasification in the Conditions of a High Pressure

Full text (.pdf)
Issue
Journal of Siberian Federal University. Engineering & Technologies. 2013 6 (1)
Authors
Kuznetsov, Peter N.; Kolesnikova, Svetlana M.; Kamensky, Evgeny S.; Kuznetsova, Ludmila I.
Contact information
Kuznetsov, Peter N.: Institute of Chemistry and Chemical Technology, 42 K. Marx Str, Krasnoyarsk, 660049 Russia; e-mail: kpn@icct.ru; Kolesnikova, Svetlana M.: Institute of Chemistry and Chemical Technology, 42 K. Marx Str, Krasnoyarsk, 660049 Russia;; Kamensky, Evgeny S.: Institute of Chemistry and Chemical Technology, 42 K. Marx Str, Krasnoyarsk, 660049 Russia;; Kuznetsova, Ludmila I.: Institute of Chemistry and Chemical Technology, 42 K. Marx Str, Krasnoyarsk, 660049 Russia;
Keywords
brown coals; mineral components; carbonization; steam gasification
Abstract

The goal of this paper is to gain a fundamental understanding about steam gasification of different brown coal chars under low temperature and high pressure. The coals from different deposits of Kansk-Achinsk Basin, Lena Basin and from Yallourn Basin (for comparison) were used to study the role of the naturally occurring metals on the physico-chemical properties of the chars and steam gasification reactivity. The data on how the preliminary decationization with solution of hydrochloric acid affects the structural characteristics of brown coal chars and their gasification reactivities are presented. The importance of controlling parameters (such as structural characteristics of carbon and naturally occurring metals) in the physico-chemical properties of the chars, in the gasification reactivity and in the textural properties of gasified chars. The concentration of calcium and catalytic activity of calcium species were found to be a key factor for their reactivity for steam gasification and carbon dioxide formation. Quantitative relations were revealed.

Pages
83-94
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/9651

Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

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