Research Article
Orthogonal Experimental Study on Multifactor Conditions for Gas Desorption in Coal
Table 1
Proximate analysis of the coal samples.
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Note: Mad is the moisture content on a dry air basis (%); Aad is the ash content on a dry air basis (%); Vdaf is the volatile matter content on a dry-ash-free basis (%); Cdaf is the fixed carbon content on a dry-ash-free (daf) basis (%); St,d is the total sulfur content (%); Qgr,ad is the high calorific value of the sample (J/g). |