Patents Examined by Gray P. Straub
  • Method for desulfurizing exhaust gas by alkali sulphite-gypsum process
    Patent number: 3965242
    Abstract: Process for through desulfurization of exhaust gas by treating the gas through the steps of absorption, double decomposition, oxidation, and alkali sulfate conversion.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: June 22, 1976
    Assignee: Kureha Kagaku Kogyo Kabushiki Kaisha
    Inventors: Tomijiro Morita, Isao Funahashi, Masayoshi Sugai, Atushi Sasakawa, Masakazu Takaiwa