NOVEL INITIATOR FOR PREPARING ALKANESULFONIC ACIDS FROM ALKANE AND OLEUM
    3.
    发明申请
    NOVEL INITIATOR FOR PREPARING ALKANESULFONIC ACIDS FROM ALKANE AND OLEUM 审中-公开
    用于从烷烃和油中制备碱性酸的新型发酵剂

    公开(公告)号:WO2015071455A1

    公开(公告)日:2015-05-21

    申请号:PCT/EP2014/074747

    申请日:2014-11-17

    Abstract: A compound of the formula (I) ALK-SO 2 -O-O-SO 2 OX, wherein ALK is a branched or unbranched alkyl group, especially a methyl, ethyl, propyl, butyl, isopropyl, isobutyl group, or a higher alkyl group, and X = hydrogen, zinc, aluminium, an alkali or alkaline earth metal.

    Abstract translation: 式(I)的化合物,其中ALK是支链或非支链烷基,特别是甲基,乙基,丙基,丁基,异丙基,异丁基或高级烷基,X = 氢,锌,铝,碱金属或碱土金属。

    CATALYSTS FOR THE SYNTHESIS OF ALKANESULFONIC ACIDS

    公开(公告)号:WO2019158577A1

    公开(公告)日:2019-08-22

    申请号:PCT/EP2019/053537

    申请日:2019-02-13

    Abstract: The present invention relates to novel uses of stable inorganic peroxoacids as catalysts in the preparation of alkanesulfonic acids from alkanes and sulfur tri- oxide, methods for the production of alkanesulfonic acids employing said cata- lysts as well as reaction mixtures comprising said catalysts. The invention par- ticularly relates to the production of methanesulfonic acid from methane and sulfur trioxide employing stable inorganic peroxoacids as catalysts.

    METHOD FOR REDUCING THE CONCENTRATION OF SO3 IN A REACTION MIXTURE COMPRISING A SULFONIC ACID AND SO3

    公开(公告)号:WO2021005086A1

    公开(公告)日:2021-01-14

    申请号:PCT/EP2020/069183

    申请日:2020-07-08

    Inventor: OTT, Timo

    Abstract: The present application refers to a method for reducing the SO 3 concentration in a mixture comprising SO 3 and a sulfonic acid R-SO 3 H, wherein R represents a moiety comprising at least 1 C-atom except for CH 3 , the method comprising: i. providing a mixture comprising a sulfonic acid R-SO 3 H and SO 3 , ii. determining the amount of an additive necessary to reduce the concentration of SO 3 in the mixture by forming a reaction product between the additive and SO 3 , iii. introducing said predetermined amount of the additive into the mixture; iv. optionally repeating steps ii. and iii., wherein the determination of the amount of additive necessary to reduce the amount of SO 3 in the mixture is performed by measuring conductivity and/or density of the reaction mixture, and wherein the additive comprises water.

Patent Agency Ranking