Patents Assigned to Mitsubishi Jukogyo Kabuskiki Kaisha
  • Patent number: 4043769
    Abstract: A process is provided for recovering a solvent vapor from a mixed gas of the solvent vapor and air. From a vessel storing a mixed gas of the solvent vapor and air, the mixed gas is passed through a compressor to be compressed to a low degree, the resultant compressed mixed gas is introduced to a first absorption column, where said compressed mixed gas is brought into contact with a first absorbent to absorb and recover a greater part of the solvent vapor. A gas coming out from the first absorption column is introduced to a second absorption column, where said gas is brought into contact with a second absorbent.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: August 23, 1977
    Assignees: Mitsubishi Jukogyo Kabuskiki Kaisha, Shell Sekiyu Kabushiki Kaisha
    Inventors: Mutsumi Nishino, Hideo Sasaki, Kazumi Uda, Motohiko Tamura, Kunihiko Hiyama, Hiroshi Fujiike