Experimental Investigation of the Thermal Expansion Characteristics of Anthracite Coal Induced by Gas Adsorption

Table 1

Vitrinite reflectance and proximate analysis of the coal sample.

Sample name	o (%)	Proximate analysis
		ad (%)	ad (%)	ad (%)	Cad (%)
ZM	4.2	0.43	9.64	8.28	81.65

o: vitrinite reflectance; ad: moisture; ad: ash yield; ad: volatile matter; Cad: fixed carbon.