Patents Assigned to The Coal Mining Research Centre
  • Coal treatment for ash removal and agglomeration
    Patent number: 4331447
    Abstract: Coal particles can be agglomerated with simultaneous ash removal therefrom by adding an oil fraction to an aqueous slurry of coal particles which contains a surfactant and optionally an inorganic electrolyte.
    Type: Grant
    Filed: July 17, 1980
    Date of Patent: May 25, 1982
    Assignees: Sanyo Chemical Industries, Ltd., The Coal Mining Research Centre
    Inventors: Hiroshi Kamada, Kazumoto Saito, Toshiaki Murata, Tadahisa Miwa, Masao Goto, Toshiro Fukuda, Hitoshi Taguchi