METHOD FOR OLIGOMERISING VON C2- TO C8-OLEFINS
    1.
    发明申请
    METHOD FOR OLIGOMERISING VON C2- TO C8-OLEFINS 审中-公开
    过程用于低聚C2至C8烯烃

    公开(公告)号:WO0059849A2

    公开(公告)日:2000-10-12

    申请号:PCT/EP0003023

    申请日:2000-04-05

    Abstract: The invention relates to a method for oligomerising C2- to C8 olefins on a heterogeneous catalyst containing nickel. Said method comprises the following steps: i) a catalyst pre-treatment phase in which the catalyst is brought into contact with a first hydrocarbon mixture which has an olefin content of less than 50 wt. % and contains less than 0.1 wt. % diolefins and alkines; and ii) an essentially stationary working phase in which a stream of a second hydrocarbon mixture, which contains 50 to 100 wt. % C2- to C8 olefins and less than 10 wt. ppm diolefins and alkines, is brought into contact with the catalyst.

    Abstract translation: 一种用于C2的在含镍的非均相催化剂的低聚至C8烯烃的方法,包括:i)催化剂预处理阶段,其中与具有.-小于50重量%的烯烃含量和二烯烃和炔烃的内容的第一烃混合物中的催化剂 的小于0.1重量%时,接触,和ii)一个基本上静止的操作阶段,其中,其具有C2至C8烯烃的含量,从50到100的第二烃混合物的流。 - 具有重量%和一个二烯和小于10ppm的炔烃的含量,被带入与催化剂接触包含。

    5.
    发明专利
    未知

    公开(公告)号:DE19929627A1

    公开(公告)日:2001-01-04

    申请号:DE19929627

    申请日:1999-06-28

    Applicant: BASF AG

    Abstract: The invention relates to a method of producing alcohol mixtures. According to the inventive method a) a hydrocarbon mixture that contains C4 monoolefins is reacted in a metathesis reaction, b) an olefin fraction is isolated from the reaction mixture obtained by said metathesis reaction, said fraction substantially containing olefins with 5 to 8 carbon atoms, c) the olefin fraction is catalytically hydroformylated by reacting it with carbon monoxide and hydrogen, and is hydrated. The invention also relates to alcohol mixtures that are obtainable by such a method, to a method for the esterification of the alcohol mixtures, to the esters thereby obtained and to their use.

    7.
    发明专利
    未知

    公开(公告)号:DE50013356D1

    公开(公告)日:2006-10-05

    申请号:DE50013356

    申请日:2000-05-11

    Applicant: BASF AG

    Abstract: C2-C8-olefins are oligomerized in a process in which a stream of an olefin-containing hydrocarbon mixture is passed over a heterogeneous, nickel-containing oligomerization catalyst in n successive adiabatically operated reaction zones, where n>=2, and the hydrocarbon mixture experiences a temperature increase 66 Treact in each reaction zone and the hydrocarbon mixture enters the first reaction zone at a temperature Tin and before entering each further reaction zone is cooled to a temperature which in each case may be up to 20° C. above or below Tin, and the relative catalyst volumes of the individual reaction zones are such that the difference in DeltaTreact between any two reaction zones is not more than 20° C.

    9.
    发明专利
    未知

    公开(公告)号:DE10026906A1

    公开(公告)日:2001-12-06

    申请号:DE10026906

    申请日:2000-05-31

    Applicant: BASF AG

    Abstract: The invention relates to a method for shutting down a reactor used to oligomerize alkenes on a heterogeneous catalyst containing nickel. According to the inventive method, the amount of alkenes in the feed stream to the reactor is decreased by using a hydrocarbon flow which is substantially devoid of aromatic compounds. The amount of alkenes in the feed stream to the reactor is reduced to less than 10 % wt. % of the total feed stream so that the temperature of the catalyst does not exceed or does not substantially exceed the maximum temperature of the catalyst in a productive operational mode before the shut down occurs. The hydrocarbon flow which is substantially devoid of aromatic compounds and which is used partially or fully is the flow which is retained when the oligomer products are separated from the reactor discharge.

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