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    A UREA STRIPPING PROCESS FOR THE PRODUCTION OF UREA
    11.
    发明申请
    A UREA STRIPPING PROCESS FOR THE PRODUCTION OF UREA 审中-公开
    用于生产尿素的尿素剥离方法

    公开(公告)号：WO2011084060A1

    公开(公告)日：2011-07-14

    申请号：PCT/NL2011/050012

    申请日：2011-01-07

    Applicant: STAMICARBON B.V. ,  MENNEN, Johannes Henricus

    Inventor： MENNEN, Johannes Henricus

    IPC: C07C273/04

    CPC classification number: C07C273/04

    Abstract: The invention relates to a process for producing urea wherein an aqueous urea solution, leaving a urea reaction zone is fed to a stripper, where a part of the non-converted ammonia and carbon dioxide is separated from the aqueous urea solution, which solution leaves the stripper to a first recovery section of one or more serial recovery sections and is subsequently fed to one or more urea concentration sections, wherein the urea solution leaving the stripper is subjected to an adiabatic expansion, thus creating a vapor and a liquid, which are separated before the liquid enters a first recovery section and the vapor is condensed. The invention further relates to a urea plant comprising a stripper and a first recovery section, wherein an adiabatic expansion valve and a liquid/gas separator is provided between the stripper and the first recovery section.

    Abstract translation: 本发明涉及生产尿素的方法，其中留下尿素反应区的尿素水溶液被供给到汽提器，其中一部分未转化的氨和二氧化碳与尿素水溶液分离，该溶液离开 汽提器连接到一个或多个连续回收部分的第一回收部分，并且随后被供给到一个或多个尿素浓缩部分，其中离开汽提器的尿素溶液经受绝热膨胀，从而产生蒸气和液体，其被分离 在液体进入第一回收部分并且蒸气冷凝之前。 本发明还涉及一种包括汽提器和第一回收部分的尿素设备，其中绝热膨胀阀和液/气分离器设置在汽提器和第一回收部分之间。

    PROCESS FOR THE MANUFACTURE OF A TUBULAR COMPOSITE PART
    12.
    发明申请
    PROCESS FOR THE MANUFACTURE OF A TUBULAR COMPOSITE PART 审中-公开
    管状复合材料制造工艺

    公开(公告)号：WO1991005653A1

    公开(公告)日：1991-05-02

    申请号：PCT/NL1990000156

    申请日：1990-10-17

    Applicant: STAMICARBON B.V. ,  BULT, Ronald, Hermanus ,  WANINGE, Jan, Klaas ,  PLOUVIER, Jacques, Cornelus, Maria

    Inventor： STAMICARBON B.V.

    IPC: B29C67/14

    CPC classification number: B29C70/222 ,  B29C43/12 ,  B29C70/342 ,  B29C70/446

    Abstract: The invention relates to a process for the manufacture of a tubular composite part whose longitudinal axis exhibits a curve and/or whose wall exhibits a variable cross section relative to the longitudinal axis in which process, a tubular semi-finished product, comprising an uncured or a partially cured resin and fibre reinforcement and further comprising an inflatable former, is introduced into a mould, a medium is brought into the inflatable former under pressure, the resin being cured and the composite part thus obtained being removed, characterized in that the fibre reinforcement comprises at least a knitted or braided sleeve. Composite parts according to the invention can be used in numerous applications where complex structural parts are required that combine high pressure-resistance, flexural, torsional and tensile strength. Such an application is sometimes referred to as a space frame. Examples are the supporting parts in a car body or in a boat or aircraft, in construction, rucksack frames, bicycle frames, lampposts and sports equipment, such as bobsleighs, etc.

    Abstract translation: 本发明涉及一种用于制造管状复合材料部件的方法，其纵向轴线表现出曲线和/或其壁呈相对于纵向轴线变化的横截面，在该方法中，管状半成品包括未固化或 将部分固化的树脂和纤维增强材料进一步包括可充气成形剂引入模具中，将介质在压力下进入可充气成形器中，将树脂固化并除去由此获得的复合部件，其特征在于，纤维增强 至少包括针织或编织套筒。 根据本发明的复合部件可以用于需要复合结构部件的多种应用中，其结合了高耐压性，弯曲性，扭转强度和拉伸强度。 这种应用有时被称为空间帧。 例如车体或船上或飞机上的支撑部件，建筑物，背包框架，自行车车架，路灯柱和运动器材，如雪橇杆等。

    POLYAMIDE RESIN COMPOSITION
    13.
    发明申请
    POLYAMIDE RESIN COMPOSITION 审中-公开
    聚酰胺树脂组合物

    公开(公告)号：WO1986003213A1

    公开(公告)日：1986-06-05

    申请号：PCT/NL1985000047

    申请日：1985-11-20

    Applicant: STAMICARBON B.V. ,  CHIBA, Kazumasa

    Inventor： STAMICARBON B.V.

    IPC: C08L77/00

    CPC classification number: C08L77/00 ,  C08K5/54 ,  C08L81/00 ,  C08L83/00

    Abstract: Polytetramethylene adipamide resin compositions containing 100 parts by weight of the polyamide and 2 to 20 parts by weight of a silicon oil. Objects produced from the composition possess good surface appearance, excellent sliding properties and high heat resistance and rigidity.

    Abstract translation: 含有100重量份聚酰胺和2〜20重量份硅油的聚四亚甲基己二酰胺树脂组合物。 由组合物制成的物体具有良好的表面外观，优异的滑动性能和高耐热性和刚性。

    THERMAL STRIPPING UREA PLANT AND PROCESS
    14.
    发明申请
    THERMAL STRIPPING UREA PLANT AND PROCESS 审中-公开

    公开(公告)号：WO2021261999A1

    公开(公告)日：2021-12-30

    申请号：PCT/NL2021/050395

    申请日：2021-06-23

    Applicant: STAMICARBON B.V.

    Inventor： GEURTS, Wilhelmus Hubertus

    IPC: C07C273/04 ,  B01J3/00

    Abstract: The disclosure pertains to an urea production plant and process using a thermal stripper, wherein the reaction mixture is separated in two parts, wherein the first part is supplied at least in part to the thermal stripper and the second part at least in part bypasses the thermal stripper and is supplied to a medium pressure recovery section.

    GRANULATION OF UREA PRODUCTS
    16.
    发明申请
    GRANULATION OF UREA PRODUCTS 审中-公开
    乌拉圭产品的形成

    公开(公告)号：WO2017007315A1

    公开(公告)日：2017-01-12

    申请号：PCT/NL2016/050486

    申请日：2016-07-06

    Applicant: STAMICARBON B.V.

    Inventor： SOONS, Petrus Catharina Gerlach ,  SCHAAFSMA, Stefan Hendrikus

    IPC: C05C3/00 ,  C05C9/00 ,  C05G3/00

    CPC classification number: C05G3/0058 ,  B01J2/16 ,  C05C3/005 ,  C05C9/005

    Abstract: Disclosed is a method of making a granulate of a urea product comprising urea and a salt, such as urea ammonium sulfate, having a high content of the salt. The high content is such as to provide an amount of the salt above the limit of solubility of the salt in urea. The granulate of the invention is characterized by having a smooth surface, which, e.g. in the event of urea ammonium sulfate, is not normally the case for granulate having the aforementioned high ammonium sulfate content. According to the invention this is realized by dividing the feed liquids to granulation. This division is based on non-final granulation liquids of a sufficiently high content of the salt, and a final granulation liquid (determining the surface) having a salt content of below the solubility limit of the salt, or no salt at all. E.g. in the event of urea ammonium sulfate, the non-final granulation liquids possibly are a slurry of urea and more than 20 wt.% of ammonium sulfate. The final granulation liquid then has 0-20 wt.% of ammonium sulfate, i.e. below the solubility limit.

    Abstract translation: 公开了一种制备包含尿素和盐的颗粒的方法，所述盐和盐具有高含量的盐，例如硫酸铵。 高含量是提供一定量的盐高于盐在尿素中的溶解度的极限。 本发明的颗粒的特征在于具有光滑的表面， 在尿素硫酸铵的情况下，对于具有上述高硫酸铵含量的颗粒通常不是这种情况。 根据本发明，这是通过将进料液分成造粒来实现的。 该分配基于具有足够高的盐含量的非最终造粒液体，以及盐含量低于盐的溶解度极限的最终造粒液（确定表面），或根本没有盐。 例如。 在尿素硫酸铵的情况下，非最终造粒液体可能是尿素的浆液和大于20重量％的硫酸铵。 最终造粒液体的硫酸铵含量为0-20％，即低于溶解度极限。

    UREA PLANT REVAMPING METHOD
    18.
    发明申请
    UREA PLANT REVAMPING METHOD 审中-公开
    UREA植物改造方法

    公开(公告)号：WO2014104893A1

    公开(公告)日：2014-07-03

    申请号：PCT/NL2013/050960

    申请日：2013-12-27

    Applicant: STAMICARBON B.V.

    Inventor： BUITINK, Fredericus Henricus Maria ,  DIELTJENS, Luc Louis Maria

    IPC: C07C273/04

    CPC classification number: B01J19/00 ,  B01D3/009 ,  B01J2219/00024 ,  B01J2219/00027 ,  B01J2219/0004 ,  B01J2219/185 ,  C07C273/04 ,  Y10T29/49718

    Abstract: Disclosed is a method of increasing the capacity of an existing urea plant. With reference to the regular components of a urea plant, including a synthess section comprising a a high pressure carbamate condenser and a reactor, and a recovery section, the method comprises installing an additional reactor between the recovery section and the high pressure carbamate condenser. The additional reactor is preferably installed in connection with an ejector, so as to allow ground placement of the additional reactor.

    Abstract translation: 公开了提高现有尿素装置的能力的方法。 关于尿素装置的常规部件，包括包含高压氨基甲酸酯冷凝器和反应器的合成部分和回收部分，该方法包括在回收部分和高压氨基甲酸酯冷凝器之间安装另外的反应器。 附加的反应器优选地与喷射器结合安装，以允许附加反应器的地面放置。

    PROCESS FOR THE REMOVAL OF CO2 FROM ACID GAS
    19.
    发明申请
    PROCESS FOR THE REMOVAL OF CO2 FROM ACID GAS 审中-公开

    公开(公告)号：WO2014054945A3

    公开(公告)日：2014-04-10

    申请号：PCT/NL2013/050698

    申请日：2013-10-01

    Applicant: STAMICARBON B.V. ACTING UNDER THE NAME OF MT INNOVATION CENTER ,  PELLEGRINI, Laura Annamaria

    Inventor： PELLEGRINI, Laura Annamaria

    IPC: F25J3/02 ,  C10L3/10

    Abstract: The invention relates to a process for the removal of CO 2 from acid gas by cryogenic distillation performed in two steps. The feed mixture is first distilled at high pressure (at least 45 bar) in a first distillation column. The top product or a part thereof is then, after heating, subjected to a second distillation step at a lower pressure (lower than 45 bar). The top product of the second distillation step is methane of high purity (more than 99 mol.%). The bottom product of the second distillation step is recycled back to the first distillation column. The method according to the invention allows complete separation of methane also at higher level of acidic components, is economical and does not result in solid CO 2 build-up, which is a common problem in cryogenic distillation.

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