Fixed carbon, wt% 80-95 hydrogen, wt% 3.0-4.5 nitrogen, wt% 0.1 -0.5 sulphur, wt% 2 - 6% volatile matter, wt% 5-15 moisture, wt% 0.5-10 ash, wt% 01-10 densitty, gcm3 1.2—1.6 aluminium, ppm 15-100 boron, ppm 0.1-15 calcium, ppm 25-500 chromium, ppm 5-50 cobalt, ppm 10-60 iron, ppm 50-5000 manganese, ppm 2-100 molybdenum, ppm 10-20 nickel, ppm 10-500 potassium, ppm 20-50 siliscon, ppm 50-600 sodium, ppm 40-70 titanium, ppm 2-60 vanadium, ppm 5-500.

Fixed carbon, wt% 80-95 hydrogen, wt% 3.0-4.5 nitrogen, wt% 0.1 -0.5 sulphur, wt% 2 - 6% volatile matter, wt% 5-15 moisture, wt% 0.5-10 ash, wt% 01-10 densitty, gcm3 1.2—1.6 aluminium, ppm 15-100 boron, ppm 0.1-15 calcium, ppm 25-500 chromium, ppm 5-50 cobalt, ppm 10-60 iron, ppm 50-5000 manganese, ppm 2-100 molybdenum, ppm 10-20 nickel, ppm 10-500 potassium, ppm 20-50 siliscon, ppm 50-600 sodium, ppm 40-70 titanium, ppm 2-60 vanadium, ppm 5-500.