Research on Oxidation Kinetics Test Methods Concerning the Spontaneous Combustion of Coal
ZHONG Xiao-xing
WANG De-ming
QI Xu-yao
GU Jun-jie
Abstract：Comprehensive research on the adiabatic oxidative heating rate, oxygen consumption and the crossing-point temperature showed that the characteristics of a single stage can not de-fine the entire oxidation process that occurs during spontaneous combustion. A test of oxida-tion kinetics was proposed where the two fundamental parameters were oxygen concentration in the outlet of the sample vessel measured at 70 ℃ and the crossing-point temperature at differ-ent programmed temperature conditions. On the basis of these, the comprehensive oxidation kinetics determination index was proposed. Compared to the adiabatic oxidation method or the physi-sorption at 30 ℃ method the proposed comprehensive oxidation kinetics determination in-dex better identified the propensity of coal to spontaneously combust.
Keywords：the propensity of coal to spontaneous combustiontesting methodoxidation kinet-ics
Publication Date：2009-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 789-793 )