Growth and recovery of cells of a hydrocarbon-utilizing microorganism
    2.
    发明授权
    Growth and recovery of cells of a hydrocarbon-utilizing microorganism 失效
    碳氢化合物利用微生物细胞生长和恢复

    公开(公告)号:US3813290A

    公开(公告)日:1974-05-28

    申请号:US24277472

    申请日:1972-04-10

    Applicant: MOBIL OIL CORP

    CPC classification number: C12N1/26

    Abstract: THIS SPECIFICATION DISCLOSES A PROCESS FOR THE GROWTH AND RECOVERY OF CELLS OF AN AEROBIC, HYDROCARBON-UTILIZING MICROORGANISM. THE CELLS OF THE MICROORGANISM ARE GROWN IN AN OXYGENATED CULTURE MEDIUM WHICH IS AN EMULSION OF A HYDROCARBON SUBSTRATE AND AN AQUEOUS MINERAL SALT NUTRIENT. THE CULTURE MEDIUM CONTAINS A NONIONIC SURFACTANT OF MAINTAIN THE EMULSION. THE PROCESS INVOLVES A PRELIMINARY STEP OF DETERMINING IN AN EMULSION SIMILAR TO THAT OF THE CULTURE MEDIUM THE PROPORTION OF THE SURFACTANT AT WHICH INVERSION OF THE EMULSION OCCURS. IN A SUBSEQUENT STEP, THE GROWTH OF THE MICROORGANISM IS CARRIED OUT EMPLOYING IN THE CULTURE MEDIUM A PROPORTION OF THE HYDROCARBON SUBSTRATE, AQUEOUS MINERAL SALT NUTRIENT AND THE SURFACTANT SUBSTANTIALLY EQUIVALENT TO THAT AT WHICH INVERSION IS ATTACHED. WITH THIS PROPORTION OF SURFACTANT IN THE CULTURE MEDIUM, THE MICROORGANISM GROWS AT AN OPTIMUN RATE AND THE CELLS THEREOF ARE READILY SEPARATED AND RECOVERED FROM THE CULTURE MEDIUM.

    Lead trap
    3.
    发明授权
    Lead trap 失效
    引导线

    公开(公告)号:US3799870A

    公开(公告)日:1974-03-26

    申请号:US33968373

    申请日:1973-03-09

    Applicant: MOBIL OIL CORP

    Inventor: HEILWEIL I

    CPC classification number: B67D7/76 C10G25/02

    Abstract: IN PROVIDING LEAD FREE GASOLINE FROM GASOLINE WHICH MAY BECOME CONTAMINATED DURING TRANSPORTATION OR STORAGE IN VESSELS ALSO USED FOR TRANSPORT AND STORAGE OF LEADED GASOLINE; A LEAD TRAP IS PROVIDED AT THE POINT OF DISPENSING TO MOTOR VEHICLES CHARACTERIZED BY A MATERIAL HAVING SELECTIVE CHEMISORPTION PROPERTIES WITH RESPECT TO TETRAALKYL LEAD

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