Preparation of absorbents for sulfur oxide removal
    1.
    发明授权
    Preparation of absorbents for sulfur oxide removal 失效
    硫氧化物去除吸收剂的制备

    公开(公告)号:US3630943A

    公开(公告)日:1971-12-28

    申请号:US3630943D

    申请日:1969-08-14

    Applicant: US INTERIOR

    CPC classification number: B01D53/508 C01B17/60 Y10S95/90

    Abstract: MIXTURES OF SULFATE SALTS SELECTED FROM THE GROUP CONSISTING OF AL2(SO4)3-CUSO4; CUSO4-FE2(SO4)3; AND FE2(SO4)3-AL2(SO4)3 ARE DECOMPOSED TO THE CORRESPONDING OXIDES AND MADE INTO PARTICULATE FORM FOR USE AS AN ABSORBENT IN SULFUR OXIDE ABSORPTION FROM GASES. THE ABSORBENTS CAN BE USED UNSUPPORTED OR ON A SUITABLE SUPPORT MATERIAL. IN EITHER CASE, THE ABSORBENTS ARE CAPABLE OF REGENERATION.

    Method of removing sulfur oxides from gases
    2.
    发明授权
    Method of removing sulfur oxides from gases 失效
    从气体中除去硫氧化物的方法

    公开(公告)号:US3580702A

    公开(公告)日:1971-05-25

    申请号:US3580702D

    申请日:1968-09-10

    Applicant: US INTERIOR

    CPC classification number: B01D53/02

    Abstract: SULFUR OXIDES ARE REMOVED FROM GASES BY CONTACTING THE SAME AT ELEVATED TEMPERATURES WITH A DRY ABSORBENT SELECTED FROM THE GROUP CONSISTING OF RED MUD, RETORTED OIL SHALE, RETORTED OIL SHALE TREATED WITH SODIUM HYDROXIDE AND MIXTURES OF RETORTED OIL SHALE AND RED MUD TREATED WITH SODIUM HYDROXIDE. THESE ADSORBENTS MAY BE USED ON A ONCE-THROUGH BASIS OR THEY MAY BE REGENERATED. CATALYTIC OXIDATION OF THE GASES, THOUGH NOT NECESSARY, MAY PRECEDE CONTACT WITH THE ABSORBENTS.

    D R A W I N G

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