COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS
    11.
    发明申请
    COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS 审中-公开
    用于热处理液体混合物的塔,特别包含(甲基)丙烯酸单体

    公开(公告)号:US20170014729A1

    公开(公告)日:2017-01-19

    申请号:US15210194

    申请日:2016-07-14

    Applicant: BASF SE

    Abstract: The present invention relates to a column (1) for thermal treatment of fluid mixtures, having a cylindrical, vertical column body (2) which forms a column cavity (3) and a vertical inner surface (16), a plurality of trays (8) mounted in the column cavity (3) and spaced apart vertically from one another, at least one stub (11) disposed within the column body (2) and extending away from the column body (2), and a closable inspection orifice (9) formed in the stub (11). The characteristic feature of the column of the invention is that in the case of a vertical cross section of the column (1) the surface (15) of the lower line of intersection of the stub (11) directed into the column cavity (3) or a tangent to the surface (15) of the lower line of intersection of the stub (11) at least in sections forms an angle within a range from 210° to 267° with the vertical inner surface (16) of the column body (2) which extends downward from the stub (11).

    Abstract translation: 本发明涉及一种用于流体混合物的热处理的塔(1),其具有形成柱腔(3)和垂直内表面(16)的圆柱形垂直柱体(2),多个托盘(8) )安装在所述柱腔(3)中并彼此间隔开,至少一个设置在所述柱主体(2)内并延伸离开所述柱体(2)的短柱(11)和可关闭的检查孔 )形成在短截线(11)中。 本发明的色谱柱的特征在于,在柱(1)的垂直截面的情况下,短截线(11)相对于柱腔(3)的下方交叉点的表面(15) 或至少部分地与短截线(11)的下部交叉点的表面(15)的切线形成与柱体的垂直内表面(16)在210°至267°的范围内的角度 2),其从短截线(11)向下延伸。

    METHOD OF STARTING UP A REACTOR FOR THE OXIDATIVE DEHYDROGENATION OF N-BUTENES
    12.
    发明申请
    METHOD OF STARTING UP A REACTOR FOR THE OXIDATIVE DEHYDROGENATION OF N-BUTENES 审中-公开
    启动N-BUTEN的氧化脱氢反应器的方法

    公开(公告)号:US20160347686A1

    公开(公告)日:2016-12-01

    申请号:US15110985

    申请日:2015-01-09

    Applicant: BASF SE

    CPC classification number: C07C5/48 C07C7/005 C07C7/11 C07C11/167

    Abstract: The invention relates to a process for preparing butadiene from n-butenes having a start-up phase and an operating phase, wherein the process in the operating phase comprises the steps:A) provision of a feed gas stream a1 comprising n-butenes; B) introduction of the feed gas stream a1 comprising n-butenes, of an oxygen-comprising gas stream a2 and of an oxygen-comprising recycle gas stream d2 into at least one oxidative dehydrogenation zone and oxidative dehydrogenation of n-butenes to butadiene, giving a product gas stream b comprising butadiene, unreacted n-butenes, water vapor, oxygen, low-boiling hydrocarbons, high-boiling secondary components, possibly carbon oxides and possibly inert gases; C) cooling and compression of the product gas stream b and condensation of at least part of the high-boiling secondary components, giving at least one aqueous condensate stream c1 and a gas stream c2 comprising butadiene, n-butenes, water vapor, oxygen, low-boiling hydrocarbons, possibly carbon oxides and possibly inert gases; D) introduction of the gas stream c2 into an absorption zone and separation of incondensable and low-boiling gas constituents comprising oxygen, low-boiling hydrocarbons, possibly carbon oxides and possibly inert gases as gas stream d from the gas stream c2 by absorption of the C4-hydrocarbons comprising butadiene and n-butenes in an absorption medium, giving an absorption medium stream loaded with C4-hydrocarbons and the gas stream d, and recirculation, optionally after separating off a purge gas stream p, of the gas stream d as recycle gas stream d2 to the oxidative dehydrogenation zone; and the start-up phase comprises the steps: i) introduction of the oxygen-comprising gas stream and an inert gas stream into the dehydrogenation zone in such a ratio that the oxygen content of the recycle gas stream d2 corresponds to from 30 to 80% of the oxygen content of the recycle gas stream d2 in the operating phase; ii) setting of the recycle gas stream d2 to at least 70% of the volume flow of the recycle gas in the operating phase; iii) optional introduction, at an initial oxygen content of the recycle gas stream d2 of from 30 to 80% of the oxygen content of the recycle gas stream d2 in the operating phase, of a steam stream a3 into the dehydrogenation zone; iv) introduction, at an initial oxygen content of the recycle gas stream d2 of from 30 to 80% of the oxygen content of the recycle gas stream d2 in the operating phase, of an oxygen-comprising gas stream a2′ and a butene-comprising feed gas stream a1′ having a smaller volume flow than in the operating phase in a ratio k=a2′/a1′ and raising of the volume flow of the gas streams a1′ and a2′ until the volume flows of the gas streams a1 and a2 in the operating phase are obtained, with the recycle gas stream d2 being at least 70% and not more than 120% of the volume flow in the operating phase.

    PROCESS AND PLANT FOR RECOVERING ACRYLIC ACID
    14.
    发明申请
    PROCESS AND PLANT FOR RECOVERING ACRYLIC ACID 有权
    回收丙烯酸的方法和设备

    公开(公告)号:US20160090347A1

    公开(公告)日:2016-03-31

    申请号:US14857967

    申请日:2015-09-18

    Applicant: BASF SE

    Abstract: The present invention relates to the process for recovering acrylic acid, comprising the steps a) division of a heated mother acid stream in direction of an absorption column (201) and a dissociation column (205), b) feeding of a heated mother acid substream as runback to the dissociation column (205), c) feeding-in of at least one stripping gas stream to the dissociation column (205), d) feeding-in of a secondary component stream comprising oligomeric acrylic acid from the condensation column (201) to the dissociation column (205), e) dissociation of part of oligomeric acrylic acid in the dissociation column (205) to give monomeric acrylic acid, f) removal of secondary components comprised in the secondary component stream in the dissociation column (205), g) discharge of monomeric acrylic acid as gas mixture with introduced circulating stripping gas stream from the dissociation column (205) and h) feeding-in of the gas mixture to the condensation column (201).

    Abstract translation: 本发明涉及回收丙烯酸的方法,包括步骤a)在吸收塔(201)和解离塔(205)的方向上分离加热的母体酸流,b)加热加热的母体酸性流 作为分离塔(205)的回流,c)将至少一个汽提气流进料到解离塔(205),d)从冷凝塔(201)中加入包含低聚丙烯酸的二次组分料流 )解离塔(205),e)解离塔(205)中部分低聚丙烯酸的解离以得到单体丙烯酸,f)除去在解离塔(205)中的次要组分流中包含的次要组分, g)从引入的离解塔(205)的引入的循环汽提气流中排出作为气体混合物的单体丙烯酸,以及h)将气体混合物进入冷凝塔(201)。

    COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES
    15.
    发明申请
    COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES 审中-公开
    流体混合物热处理柱

    公开(公告)号:US20160038852A1

    公开(公告)日:2016-02-11

    申请号:US14816485

    申请日:2015-08-03

    Applicant: BASF SE

    CPC classification number: B01D3/326 B01D3/26 B01D3/324 C07C51/44

    Abstract: The present invention relates to a column (1) for thermal treatment of fluid mixtures, having a cylindrical, vertical column body (2) which forms a column cavity (3), a plurality of trays (8) mounted with vertical spacing in the column cavity (3), and a support construction (9) which supports at least one of the trays (8) in vertical direction. It is a characteristic feature of the inventive column (1) that the support construction (9) has a plurality of orifices (12) which allow horizontal mass transfer through the support construction (9). The invention further relates to a tray device for such a column and to a thermal separation process between at least one gas ascending within such a column (1) and at least one liquid descending within the column (1).

    Abstract translation: 本发明涉及一种用于流体混合物的热处理的柱(1),其具有形成柱腔(3)的圆柱形垂直柱体(2),在柱中垂直间隔安装的多个托盘(8) 空腔(3)和支撑结构(9),其在垂直方向上支撑至少一个托盘(8)。 本发明的塔(1)的特征在于,支撑结构(9)具有允许通过支撑结构(9)的水平质量传递的多个孔口(12)。 本发明还涉及一种用于这种塔的托盘装置以及在这种塔(1)内上升的至少一种气体与在塔(1)内下降的至少一种液体之间的热分离过程。

    COLUMN FOR THERMAL TREATMENT OF A MIXTURE OF COMPOUNDS HAVING A TENDENCY TO POLYMERIZATION

    公开(公告)号:US20240157269A1

    公开(公告)日:2024-05-16

    申请号:US18284313

    申请日:2022-03-17

    Applicant: BASF SE

    CPC classification number: B01D3/328

    Abstract: The present invention relates to a column (1) for a thermal treatment of a mixture of compounds having a tendency to polymerization. The column (1) comprises a mass transfer tray (5) comprising a rising tube (8) having an inlet opening (9) below and an outlet opening (10) above the mass transfer tray (5). The rising tube (8) further comprises a lateral opening (11) above the mass transfer tray close to the upper surface of the mass transfer tray (5). Said rising tube (8) is adapted to form a fountain (13) at the outlet opening (10) by atomization of a liquid fraction of the mixture of compounds from the mass transfer tray that enters through the lateral opening into the rising tube (8). The fountain (13) is sprayed to a spot (16) of the column (1) where polymerization is likely to occur. Furthermore, the present invention relates to a thermal separating process that uses such column (1).

    COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS
    18.
    发明申请
    COLUMN FOR THERMAL TREATMENT OF FLUID MIXTURES, ESPECIALLY THOSE COMPRISING (METH)ACRYLIC MONOMERS 审中-公开
    用于热处理液体混合物的塔,特别包含(甲基)丙烯酸单体

    公开(公告)号:US20170014730A1

    公开(公告)日:2017-01-19

    申请号:US15210220

    申请日:2016-07-14

    Applicant: BASF SE

    Abstract: The present invention relates to a column (1) for thermal treatment of fluid mixtures, having a cylindrical, vertical column body (2) which forms a column cavity (3), a plurality of trays (8) mounted in the column cavity (3) and spaced apart vertically from one another, at least one stub (11) disposed within the column body (2) and extending away from the column body (2), and a closable inspection orifice (9) formed in the stub (11). The characteristic feature of the column of the invention is that a spray device (20) disposed in the column body (2) can spray liquid (22) at least against the surface (15) of the stub (11) directed into the column cavity (3).

    Abstract translation: 本发明涉及一种用于热处理流体混合物的塔(1),其具有形成柱腔(3)的圆柱形垂直柱体(2),安装在柱腔(3)中的多个托盘(8) )并且彼此间隔开,至少一个设置在所述柱主体(2)内并延伸离开所述柱体(2)的短截线体(11)以及形成在所述短截线(11)中的闭合检查孔(9) 。 本发明的色谱柱的特征在于,设置在色谱柱主体(2)中的喷雾装置(20)至少可以将液体(22)喷射到引导到柱腔(11)的短截线(11)的表面(15)上 (3)。

    PLANT AND PROCESS FOR PERFORMANCE OF HETEROGENEOUSLY CATALYZED GAS PHASE REACTIONS
    19.
    发明申请
    PLANT AND PROCESS FOR PERFORMANCE OF HETEROGENEOUSLY CATALYZED GAS PHASE REACTIONS 有权
    异构催化气相反应性能的工艺和工艺

    公开(公告)号:US20150360191A1

    公开(公告)日:2015-12-17

    申请号:US14737025

    申请日:2015-06-11

    Applicant: BASF SE

    Abstract: The present invention relates to a plant (1) for performance of heterogeneously catalyzed gas phase reactions, comprising a reactor (3), at least one line (11) leading into the reactor (3) for introduction of reactants into the reactor (3), at least one first feed (5) for providing at least one first reactant A, which leads into the line (11), at least one second feed (7) for providing at least one second reactant B, which leads into the line (11), at least one third feed (9) for providing a cycle gas G, which leads into the line (11), a temperature control unit (13) which is disposed in the line (11) upstream of the reactor (3) and is for controlling the temperature of the first reactant A and/or second reactant B and/or cycle gas G prior to entry into the reactor (3) and at least one outlet (15) for products, by-products and/or unreacted reactants from the gas phase reaction. The present invention further relates to a process for performing heterogeneously catalyzed gas phase reactions.

    Abstract translation: 本发明涉及一种用于执行非均相催化气相反应的设备(1),包括反应器(3),至少一条通入反应器(3)的管线(11),用于将反应物引入反应器(3) ,至少一个第一进料(5),用于提供至少一个引入管线(11)的第一反应物A,至少一个第二进料(7),用于提供至少一个第二反应物B,其引入管线 11),用于提供引入管线(11)的循环气体G的至少一个第三进料(9),设置在反应器(3)上游的管线(11)中的温度控制单元(13) 并且用于在进入反应器(3)之前控制第一反应物A和/或第二反应物B和/或循环气体G的温度和用于产物,副产物和/或未反应的至少一个出口(15) 来自气相反应的反应物。 本发明还涉及进行非均相催化气相反应的方法。

    HEAT EXCHANGER, REACTOR ARRANGEMENT COMPRISING THIS HEAT EXCHANGER AND METHOD FOR CONTROLLING THE TEMPERATURE OF A REACTOR
    20.
    发明申请
    HEAT EXCHANGER, REACTOR ARRANGEMENT COMPRISING THIS HEAT EXCHANGER AND METHOD FOR CONTROLLING THE TEMPERATURE OF A REACTOR 有权
    热交换器,包括该热交换器的反应器装置和控制反应器温度的方法

    公开(公告)号:US20150267967A1

    公开(公告)日:2015-09-24

    申请号:US14661408

    申请日:2015-03-18

    Applicant: BASF SE

    Abstract: The present invention relates to a heat exchanger (1) comprising a bundle of at least two heat exchanger tubes (3), a heat exchanger housing (5) surrounding the bundle of heat exchanger tubes (3), wherein a liquid heat-transfer medium (7) is passed around the bundle of heat exchanger tubes (3) in the heat exchanger housing (5), a heat exchanger cap (9) sealing the top of the heat exchanger housing (5), a heat exchanger bottom (11) sealing the bottom of the heat exchanger housing (5), a feed point (13) for the heat-transfer medium (7), an outlet (15) for the heat-transfer medium (7), an emergency relief port (17) disposed in proximity to the heat exchanger cap (9). The heat exchanger (1) comprises a safety device (19) disposed in proximity to the heat exchanger bottom (11).The present invention further relates to a reactor arrangement (101).

    Abstract translation: 本发明涉及一种热交换器(1),其包括至少两个热交换器管(3)的束,围绕热交换器管束(3)的热交换器壳体(5),其中液体传热介质 (7)绕过热交换器壳体(5)中的热交换器管束(3),密封热交换器壳体(5)的顶部的热交换器盖(9),热交换器底部(11) 密封热交换器壳体(5)的底部,用于传热介质(7)的供给点(13),用于传热介质(7)的出口(15),紧急排泄口(17) 设置在热交换器盖(9)附近。 热交换器(1)包括设置在热交换器底部(11)附近的安全装置(19)。 本发明还涉及一种反应器装置(101)。

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