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    54.
    发明专利
    未知

    公开(公告)号：DE10025032A1

    公开(公告)日：2001-11-29

    申请号：DE10025032

    申请日：2000-05-20

    Applicant: DMC2 DEGUSSA METALS CATALYSTS

    Inventor： AHLBORN RAINER ,  BAUMANN FRANK ,  WIELAND STEFAN

    IPC: C01B3/38 ,  C01B3/40 ,  H01M8/06

    Abstract: The autothermal catalyst steam reforming of hydrocarbons by the passage of a pre-warmed reactant mixture of hydrocarbons, oxygen and water or water vapor over a catalyst comprises adiabatic operation of the process with a platinum group metal catalyst supported on an oxide support comprising aluminum oxide, silicon dioxide and/or titanium dioxide with zeolites.

    A PROCESS FOR THE AUTOTHERMAL CATALYTIC STEAM REFORMING OF HYDROCARBONS
    55.
    发明专利
    A PROCESS FOR THE AUTOTHERMAL CATALYTIC STEAM REFORMING OF HYDROCARBONS 未知

    公开(公告)号：CA2348120A1

    公开(公告)日：2001-11-20

    申请号：CA2348120

    申请日：2001-05-17

    Applicant: DMC2 DEGUSSA METALS CATALYSTS

    Inventor： BAUMANN FRANK ,  WIELAND STEFAN ,  AHLBORN RAINER

    IPC: C01B3/38 ,  C01B3/40 ,  H01M8/06

    Abstract: The invention provides a process for autothermal catalytic steam reforming of hydrocarbons by passing a reactant mixture of hydrocarbons, oxygen and water or water vapour, heated to a preheating temperature, over a catalyst. The process is characterised in that it is operated adiabatically and the catalyst has a coating of a catalyst material on a support structure, the catalyst material containing at least one platinum group metal on an oxidic support material from the group comprising aluminium oxide, silico n dioxide, titanium dioxide or mixed oxides thereof and zeolites.

    59.
    发明专利
    未知

    公开(公告)号：DE59603771D1

    公开(公告)日：2000-01-05

    申请号：DE59603771

    申请日：1996-09-18

    Applicant: DEGUSSA

    Inventor： AUER EMMANUEL ,  WIELAND STEFAN ,  LANSINK-ROTGERINK HANS ,  JACOBSEN HAUKE ,  RIEDEMANN HEIKE

    IPC: C07C37/11 ,  C07C37/20 ,  C07C39/16

    Abstract: The prodn. of 2,2'-bis-(4-hydroxyphenyl)-propanes (BHPP) comprises reacting the corresp. phenols and carbonyl cpds. at 40-150 degrees C in presence of a formed acid catalyst consisting of a sulphonate gp.- and mercapto gp.-contg. organopolysiloxane (OFP) contg. units of formula (O3/2SiR'SO3)M(x+) (I) and O3/2SiR SH (III). In (I) and (III), R = 1-12C alkylene, 5-8C cycloalkylene or a gp. of formula -(CH2)n-Cyc-(CH2)m- or -(CH2)n-Phe-(CH2)m- (II) (with n, m = 0-6, i.e. the no. of Si- or S-linked CH2 gps.; Cyc = cyclohexylene; Phe = phenylene); M = H, opt. NH4, or a metal with a valency of x = 1-4; R = R . The free valencies of the O atoms attached to Si are taken up by the Si atoms of other gps. (I) and/or (II) and/or by the metal atom-oxygen gps. of crosslinking bridging gps. of formula SiO4/2 (IV) and opt. R''SiO3/2, R'SiO3/2, R'2SiO2/2, AlO3/2, R'AlO2/2, TiO4/2, R'TiO3/2 and R'2TiO2/2 (V). In (V) and (IV), R' = Me or Et; R" = Ph or 2-12C alkyl. The ratio of gps. (I):(III) = (10:1)-(1:10), the ratio of (I):(IV) = (1:3)-(1:20), and the ratio of (IV):(V) = (1:0)-(1:0.5). The required prod. is then isolated.

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