ApplicationNo. 05/831170 filed on 09/07/1977
US Classes:204/158.2, Processes of purifying materials201/17, AND REFINING CHAR, E.G., DESULFURIZING COKE204/157.15, Processes of treating materials by wave energy204/158.21, Organic material purified423/358, From organic material containing nitrogen44/622, Sulfur44/904METHOD INVOLVING ELECTRIC OR WAVE ENERGY
ExaminersPrimary: Dees, Carl F.
Attorney, Agent or Firm
International ClassC10L 9/00 (20060101)
AbstractA process for decreasing the sulfur content of coal is provided, which includes drying coal and subjecting the dried coal in a hydrogen atmosphere to the influence of wave energy in the microwave range.