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    Use of h2s-containing off-gas stream for preparing sulfur-containing product
    1.
    发明专利
    Use of h2s-containing off-gas stream for preparing sulfur-containing product 有权
    使用含H2S的废气流用于制备含硫产品

    公开(公告)号：JP2006169248A

    公开(公告)日：2006-06-29

    申请号：JP2005360769

    申请日：2005-12-14

    Applicant: Basf Ag ,  ビーエーエスエフ アクチェンゲゼルシャフトBASF Aktiengesellschaft

    Inventor： MULLER CHRISTIAN ,  WEBER MARKUS ,  STROEFER ECKHARD

    IPC: C07C319/04 ,  C07B61/00 ,  C07C319/16 ,  C07C321/04 ,  C07C321/14

    CPC classification number: C07C319/24 ,  C07C319/04 ,  C07C319/16 ,  C07C321/04 ,  C07C321/14

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a thiol, a thioether, and a disulfide, by reacting an olefin with hydrogen sulfide.
    SOLUTION: This method for preparing a sulfur-containing compound expressed by general formula I (Q is -S- or -S-S-; and R
    1 is H or a 1-30C saturated or unsaturated straight-chain or branched-chain alkyl and R
    2 is H or a 1-30C saturated or unsaturated straight-chain or branched-chain alkyl, provided that R
    1 and R
    2 are not allowed to be H at the same time) comprises reacting a mixed gas stream containing the hydrogen sulfide with the 1-30C straight-chain or branched-chain olefin by using, or not using, oxygen, wherein reaction is conducted at a pressure of 2-325 bar in the presence of water and carbon dioxide.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 待解决的问题：通过使烯烃与硫化氢反应来提供硫醇，硫醚和二硫化物的制备方法。 解决方案：用于制备由通式I表示的含硫化合物（Q为-S-或-SS-;和R 1 的方法为H或1-30℃饱和或不饱和的 直链或支链烷基，R SP2是H或1-30C饱和或不饱和的直链或支链烷基，条件是R“SP”1和R“ 2 不能同时为H）包括通过使用或不使用氧气使含有硫化氢的混合气流与1-30C直链或支链烯烃反应 其中在水和二氧化碳的存在下，在2-325巴的压力下进行反应。 版权所有（C）2006，JPO＆NCIPI

    Process for preparing thiol
    2.
    发明专利
    Process for preparing thiol 审中-公开
    制备THIOL的方法

    公开(公告)号：JP2006188509A

    公开(公告)日：2006-07-20

    申请号：JP2005361255

    申请日：2005-12-15

    Applicant: Basf Ag ,  ビーエーエスエフ アクチェンゲゼルシャフトBASF Aktiengesellschaft

    Inventor： MUELLER CHRISTIAN ,  WEBER MARKUS ,  STROEFER ECKHARD ,  WLOKA VERONIKA ,  FADERL JUERGEN

    IPC: C07C319/04 ,  C07B61/00 ,  C07C321/04

    CPC classification number: C07C319/04 ,  C07C321/04

    Abstract: PROBLEM TO BE SOLVED: To provide a process for preparing an alkylthiol by the addition of hydrogen sulfide to a double bond of an olefin by which the problems caused by the use of a solid acid catalyst are solved.
    SOLUTION: The process for preparing the alkylthiol involves adding hydrogen sulfide to the double bond of the 6-20C olefin at a temperature of from 20 to 150°C and a pressure of from 1 to 40 bar, wherein the reaction is carried out in the presence of at least one liquid organic acid. The use of the liquid organic acid as a catalyst for increasing the selectivity and/or reaction rate in the addition of the hydrogen sulfide to the double bond of the 6-20C olefin to prepare the alkylthiol is also provided.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 待解决的问题：提供一种通过在通过使用固体酸催化剂引起的问题的烯烃的双键中加入硫化氢来制备烷基硫醇的方法。 解决方案：制备烷基硫醇的方法包括在20〜150℃的温度和1〜40巴的压力下向6-20C烯烃的双键中加入硫化氢，其中反应进行 在至少一种液体有机酸存在下进行。 还提供了使用液体有机酸作为催化剂以增加在6-20℃烯烃的双键中加入硫化氢以制备烷基硫醇的选择性和/或反应速率。 版权所有（C）2006，JPO＆NCIPI

    5.
    发明专利
    未知

    公开(公告)号：BR0210761A

    公开(公告)日：2004-07-20

    申请号：BR0210761

    申请日：2002-07-02

    Applicant: BASF AG

    Inventor： WOSTBROCK KARL-HEINZ ,  STROEFER ECKHARD ,  WEBER MARKUS ,  KERTH STEFFEN

    IPC: C01B21/14

    Abstract: A process for preparing a salt-free aqueous hydroxylamine solution by reacting an aqueous solution of a hydroxylammonium salt with a base to give a mixture and separating from said mixture by distillation a salt-free aqueous hydroxylamine solution, involving using as a base an aqueous solution of a mixture of NaOH and KOH in a molar ratio Na + :K + in the range from 70:30 to 95:5 and with a total concentration of Na + and K + in the range from 0.1 to 10 m/m % based on the total amount of the mixture.

    METHOD FOR PRODUCING AN AQUEOUS HYDROXYLAMINE SOLUTION DEVOID OF SALT
    6.
    发明专利
    METHOD FOR PRODUCING AN AQUEOUS HYDROXYLAMINE SOLUTION DEVOID OF SALT 未知

    公开(公告)号：CA2451482A1

    公开(公告)日：2003-01-16

    申请号：CA2451482

    申请日：2002-07-02

    Applicant: BASF AG

    Inventor： WOSTBROCK KARL-HEINZ ,  STROEFER ECKHARD ,  WEBER MARKUS ,  KERTH STEFFEN

    IPC: C01B21/14

    Abstract: The invention relates to a method for producing an aqueous hydroxylamine solution that is devoid of salt by reacting an aqueous solution of a hydroxylammonium salt with a base to obtain a mixture and by separating an aqueous hydroxylamine solution devoid of salt by distillation from said mixture. The method is characterised in that an aqueous solution of a mixtur e of NaOH and KOH with a molar ratio of Na+: K+ in the region of between 70: 3 0 and 95: 5 and a total concentration of Na+ and K+ in the region of between 0 .1 and 10 m/m % (in relation to the total quantity of the mixture) is used as t he base.

    METHOD FOR PRODUCING AN AQUEOUS HYDROXYLAMINE SOLUTION DEVOID OF SALT
    7.
    发明专利
    METHOD FOR PRODUCING AN AQUEOUS HYDROXYLAMINE SOLUTION DEVOID OF SALT 未知

    公开(公告)号：CA2451482C

    公开(公告)日：2009-12-01

    申请号：CA2451482

    申请日：2002-07-02

    Applicant: BASF AG

    Inventor： KERTH STEFFEN ,  WOSTBROCK KARL-HEINZ ,  WEBER MARKUS ,  STROEFER ECKHARD

    IPC: C01B21/14

    Abstract: The invention relates to a method for producing an aqueous hydroxylamine solution that is devoid of salt by reacting an aqueous solution of a hydroxylammonium salt with a base to obtain a mixture and by separating an aqueous hydroxylamine solution devoid of salt by distillation from said mixture. The method is characterised in that an aqueous solution of a mixtur e of NaOH and KOH with a molar ratio of Na+: K+ in the region of between 70: 3 0 and 95: 5 and a total concentration of Na+ and K+ in the region of between 0 .1 and 10 m/m % (in relation to the total quantity of the mixture) is used as t he base.

    9.
    发明专利
    未知

    公开(公告)号：DE10361517A1

    公开(公告)日：2005-07-28

    申请号：DE10361517

    申请日：2003-12-23

    Applicant: BASF AG

    Inventor： OLBERT GERHARD ,  JOHANN THORSTEN ,  WEBER MARKUS ,  LANG NEVEN ,  HARTH KLAUS ,  STROEFER ECKHARD ,  FIENE MARTIN ,  SIEGERT MARKUS

    IPC: B01J8/02 ,  B01J8/04 ,  B01J19/24 ,  C07C45/38 ,  F28D9/00 ,  C07C47/055

    Abstract: A process for preparing formaldehyde by gas-phase oxidation of methanol vapor by means of a gas stream comprising molecular oxygen in the presence of a fixed-bed catalyst comprising iron and molybdenum, wherein the process is carried out in a reactor ( 1 ) having heat-exchange plates ( 2 ) which are arranged in the longitudinal direction of the reactor ( 1 ) and have a spacing between them and through which a heat transfer medium flows, inlet and outlet facilities ( 3, 4 ) for the heat transfer medium to the heat-exchange plates ( 2 ) and also gaps ( 5 ) between heat-exchange plates ( 2 ) in which the fixed-bed catalyst is present and into which the methanol vapor and the gas stream comprising molecular oxygen are passed, is described.

    METHOD FOR PRODUCING FORMALDEHYDE
    10.
    发明专利
    METHOD FOR PRODUCING FORMALDEHYDE 未知

    公开(公告)号：CA2548367A1

    公开(公告)日：2005-07-14

    申请号：CA2548367

    申请日：2004-12-23

    Applicant: BASF AG

    Inventor： SIEGERT MARKUS ,  STROEFER ECKHARD ,  OLBERT GERHARD ,  LANG NEVEN ,  JOHANN THORSTEN ,  WEBER MARKUS ,  FIENE MARTIN

    IPC: B01J8/02 ,  B01J8/04 ,  B01J19/24 ,  C07C45/38 ,  F28D9/00

    Abstract: The invention relates to a method for the production of formaldehyde by gas phase oxidation of methanol vapour with a gas flow containing a molecular oxygen in the presence of solid bed catalyst containing iron and molybdenum. The invention is characterised in that the method is carried out in a reacto r (1) comprising thermal sheet metal plates (2) which are arranged at a distan ce from each other and in the longitudinal direction of the reactor (1), said thermal sheet metal plates being cross-flown by a heat carrier. The reactor also comprises devices for supplying and withdrawing (3, 4) the heat carrier to/from the thermal sheet steel plates (2), and gaps (5), which are disposed between the thermal sheet steel metal plates (2) and which are filled with t he solid bed catalyst and are introduced into the gas flow containing the methanol vapour and the molecular oxygen.

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