REVERSE-PHASE POLYMERISATION PROCESS
    83.
    发明申请

    公开(公告)号:US20160159939A1

    公开(公告)日:2016-06-09

    申请号:US14908872

    申请日:2014-07-29

    Applicant: BASF SE

    Abstract: A reverse-phase suspension polymerisation process for the manufacture of polymer beads comprising forming aqueous monomer beads comprising an aqueous solution of water-soluble ethylenically unsaturated monomer or monomer blend and polymerising the monomer or monomer blend, to form polymer beads while suspended in a non-aqueous liquid, and recovering polymer beads, in which the process comprises providing in a vessel (1) a volume (2) of non-aqueous liquid wherein the volume of non-aqueous liquid extends between at least one polymer bead discharge point (3) and at least one monomer feed point (4), feeding the aqueous monomer or monomer blend through orifices (5) into, or onto, the non-aqueous liquid to form aqueous monomer beads, allowing the aqueous monomer beads to flow towards the polymer bead discharge point initiating polymerisation of the aqueous monomer beads to form polymerising beads, wherein the polymerising beads form polymer beads when they reach the polymer bead discharge point, removing a suspension of the polymer beads in non-aqueous liquid from the vessel at the polymer bead discharge point and recovering, water soluble or water swellable polymer beads from the suspension, in which the aqueous monomer or monomer blend and/or the orifices is/are vibrated such that the frequency multiplied by the weight average droplet diameter is between 150 and 800 mm/s. The invention also relates to the apparatus suitable for carrying out a reverse-phase suspension polymerisation and polymer beads obtainable by the process or employing the apparatus. Furthermore, the invention also relates to polymer beads having a weight mean particle size in the range of 0.05 to 5 mm which are held in a container in an amount of at least 300 kg having a standard deviation of particle size less than 20%. In addition, the invention also provides polymer beads having a weight mean particle size in the range 0.05 to 5 mm having a standard deviation of particle size less than 20% and having an amount of residual acrylamide of less than 500 ppm.

    Methods and equipment for hydrothermal processing and disposal of highly toxic substances, waste and metal powders
    85.
    发明授权
    Methods and equipment for hydrothermal processing and disposal of highly toxic substances, waste and metal powders 有权
    水热处理和处置高毒性物质,废物和金属粉末的方法和设备

    公开(公告)号:US09352178B2

    公开(公告)日:2016-05-31

    申请号:US14650478

    申请日:2013-12-06

    Abstract: A method of hydrothermal processing of highly toxic substances, wastes and metal powders, comprises a batch processing cycle of at least following steps i. to viii: i. preparing a batch of highly toxic waste, substances and metal powders for processing; ii. applying precision dozing to the batch to obtain a mixture of the batch with water and at least one additional reagent in preset proportions; iii. feeding the mixture into a reactor; iv. spraying the mixture inside the reactor with a mechanical spray nozzle; v. supplying an additional oxidizing agent inside the reactor; vi. adjusting a temperature inside the reactor to above 374.2° C.; vii. adjusting a pressure inside the reactor to above 21.8 MPa, thereby driving the water into supercritical condition and initiating a supercritical hydrothermal oxidation process; and viii. keeping the mixture in the reactor for a preset amount of time, and at the same time. The method further comprises removing a produced steam and hydrogen mixture from the reactor via a steam-gas unit and droplet separator into a wastewater condenser unit and a gas drainage pipe, and venting suspended solids through a bottom part of the reactor into a solids collector unit. The method then provides the steps of repeating the batch processing cycle after it has terminated; and monitoring and controlling the temperature and pressure inside the reactor via an Automatic Process Control System (APCS) during all steps.

    Abstract translation: 对高毒性物质,废物和金属粉末进行水热处理的方法包括至少以下步骤i的批处理循环。 到viii:i。 制备一批高毒性废物,物质和金属粉末进行加工; ii。 对批料施加精密打瞌睡以获得预定比例的批次与水和至少一种另外的试剂的混合物; iii。 将混合物进料到反应器中; iv。 用机械喷嘴将反应器内的混合物喷雾; v。在反应器内部供应另外的氧化剂; vi。 将反应器内的温度调节到374.2℃以上。 vii。 将反应器内的压力调节到21.8MPa以上,从而将水驱动到超临界状态,开始超临界水热氧化工艺; 和viii。 将混合物保持在反应器中预定的时间量,同时。 所述方法还包括通过蒸汽 - 气体单元和液滴分离器将产生的蒸汽和氢气混合物从反应器中移出到废水冷凝器单元和排气管中,并将悬浮固体通过反应器的底部排放到固体收集器单元 。 该方法然后提供在终止后重复批处理循环的步骤; 并在所有步骤中通过自动过程控制系统(APCS)监视和控制反应堆内的温度和压力。

    METHOD AND DEVICE FOR FEEDING AT LEAST ONE CHEMICAL SUBSTANCE INTO A MAIN PROCESS STREAM
    86.
    发明申请
    METHOD AND DEVICE FOR FEEDING AT LEAST ONE CHEMICAL SUBSTANCE INTO A MAIN PROCESS STREAM 审中-公开
    用于将至少一种化学物质输送到主流程流中的方法和装置

    公开(公告)号:US20150209739A1

    公开(公告)日:2015-07-30

    申请号:US14423857

    申请日:2013-08-28

    Applicant: BASF SE

    Abstract: The present invention concerns a method and a device for feeding at least one chemical substance into a main process stream. The method of the invention comprises the steps of providing a concentrated stream of said chemical substance, mixing said concentrated stream with a diluent stream to provided a diluted stream of said chemical substance, injecting said diluted stream of said chemical substance into said main process stream, wherein said mixing of said concentrated stream with said diluent stream is effected by injecting a jet of either one of said concentrated stream or said diluent stream into the respective other stream. The device of the invention comprises a first pipe segment (21) having a first inlet (22) for a first fluid and a first outlet (23) for a mixed fluid, a second pipe segment (24) having a second inlet (25) for a second fluid and a second outlet (26) connected to and leading into said first pipe segment (21) between said first inlet (23) and said first outlet (24), and first connection means (27) for connecting said first outlet (23) of said first pipe section (21) to a main pipe (14) of said main process stream, wherein said second pipe segment (24) comprises at least one nozzle (28) for generating a jet (29) of said second fluid arranged upstream of said second outlet (26).

    Abstract translation: 本发明涉及一种用于将至少一种化学物质进料至主工艺流中的方法和装置。 本发明的方法包括以下步骤:提供所述化学物质的浓缩物流,将所述浓缩物流与稀释剂流混合以提供所述化学物质的稀释物流,将所述化学物质的稀释物流注入所述主工艺流中, 其中所述浓缩流与所述稀释剂流的混合通过将所述浓缩流或所述稀释剂流中的任一种的射流注入相应的另一种流中来实现。 本发明的装置包括具有用于第一流体的第一入口(22)和用于混合流体的第一出口(23)的第一管段(21),具有第二入口(25)的第二管段(24) 用于在所述第一入口(23)和所述第一出口(24)之间连接并通向所述第一管段(21)的第二流体和第二出口(26),以及用于将所述第一出口 (21)的主管(23)连接到所述主工艺流的主管(14),其中所述第二管段(24)包括用于产生所述第二管段(21)的喷嘴(29)的至少一个喷嘴(28) 流体布置在所述第二出口(26)的上游。

    DELIVERY DEVICE, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME
    87.
    发明申请
    DELIVERY DEVICE, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME 有权
    交付设备,其制造方法和包含其的文章

    公开(公告)号:US20150203962A1

    公开(公告)日:2015-07-23

    申请号:US14567292

    申请日:2014-12-11

    Abstract: Disclosed herein is a delivery device comprising a chamber; a gas inlet; a gas outlet; and a dip tube contained within the chamber and having an upper portion and a lower portion, the upper portion of the dip tube being in fluid communication with the gas inlet and being operative to permit the entry of a carrier gas; the lower portion of the dip tube extending into the chamber, the lower portion of the dip tube terminating in an outlet end; and a sleeve; where the sleeve has a first end and a second end; the first end being in an interference fit with the lower portion of the dip tube; and where the sleeve vibrates upon being subjected to a disturbance.

    Abstract translation: 本文公开了一种包括腔室的输送装置; 气体入口 气体出口 以及容纳在所述室内并具有上部和下部的汲取管,所述汲取管的上部与所述气体入口流体连通并且可操作以允许载气的进入; 浸入管的下部延伸到室中,浸入管的下部终止于出口端; 和袖子; 其中套筒具有第一端和第二端; 第一端与汲取管的下部过盈配合; 并且套筒在受到干扰时发生振动。

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