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