Hyper-coal process to produce the ash-free coal

This publication has 11 references indexed in Scilit:

• The effect of extraction condition on ‘HyperCoal’ production (1)—under room-temperature filtration
  Fuel, 2002
• Binary Solvent Extractions of Upper Freeport Coal
  Energy & Fuels, 2001
• Extraction of coal below 350°C in flowing non-polar solvent
  Fuel, 2001
• Studies of Kinetics of Diffusion of N-Methyl-2-pyrrolidone (NMP), Ethylenediamine (EDA), and NMP+EDA (1:1, vol/vol) Mixed Solvent System in Chinakuri Coal by Solvent Swelling Techniques
  Energy & Fuels, 2001
• Solvent de-ashing from heavy product of brown coal liquefaction using toluene:
  Fuel Processing Technology, 1998
• Practical Notes on the Use of N-Methyl-2-pyrrolidinone as a Solvent for Extraction of Coal and Coal-Related Materials
  Energy & Fuels, 1997
• Extraction and Swelling of Low-Rank Coals with Various Solvents at Room Temperature
  Energy & Fuels, 1996
• Extraction of coals with CS2-N-methyl-2-pyrrolidinone mixed solvent at room temperature: Effect of coal rank and synergism of the mixed solvent
  Fuel, 1988
• Preparation of an ultra-low ash coal extract under mild conditions
  Fuel Processing Technology, 1988
• Solvolytic liquefaction of coals with a series of solvents
  Fuel, 1979