Study on bonding of coke from anthracite and fat coal
2.
Coke test of anthracite blended with fat coal
3.
Advanced instrument and testing techniques including adopting mercury injection apparatus , specific surface analyses apparatus , porosity - permeability measurement apparatus , isothermal adsorption instrument and drill core flow experiment system , etc . , are also adopted . on the basis of study on gas zoning , known cbm show and its component , generating mechanism of low coal rank cbm are discussed . the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage , thermogenic methane gas in long - flame coal to gas / fat coal stage , and deuterogenic biogenic methane gas in coal seam imbedded stage
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