UREA PLANT REVAMPING METHOD
    22.
    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

    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
    23.
    发明申请

    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

    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.

    METHOD AND APPARATUS FOR THE PRODUCTION OF UREA FROM AMMONIA AND CARBON DIOXIDE
    25.
    发明申请
    METHOD AND APPARATUS FOR THE PRODUCTION OF UREA FROM AMMONIA AND CARBON DIOXIDE 审中-公开
    从氨和二氧化碳生产尿素的方法和装置

    公开(公告)号:WO2013165246A1

    公开(公告)日:2013-11-07

    申请号:PCT/NL2013/050330

    申请日:2013-05-02

    Abstract: Method for the production of urea from ammonia and carbon dioxide in a urea plant containing a high-pressure synthesis section with a horizontal pool condenser, wherein the method comprises exchanging heat from a high pressure process medium received in a shell section of the pool condenser to a medium pressure urea containing solution received in a first heat exchanging section provided in the pool condenser to at least decompose ammonium carbamate into NH 3 and CO 2 , wherein the method further comprises exchanging heat from the high pressure process medium to a low pressure steam condensate received in a second heat exchanging section provided in the pool condenser to produce low pressure steam. The invention also relates to an apparatus for the production of urea from ammonia and carbon dioxide.

    Abstract translation: 在含有具有水平冷凝器的高压合成部分的尿素装置中由氨和二氧化碳生产尿素的方法,其中所述方法包括将从所述池冷凝器的壳部分中接收的高压处理介质的热交换到 容纳在所述池冷凝器中的第一热交换部分中的中压含尿素溶液以至少将氨基甲酸铵分解成NH 3和CO 2,其中所述方法还包括将热量从所述高压处理介质交换到低压蒸汽冷凝物 设置在池冷凝器中以产生低压蒸汽的第二热交换部分。 本发明还涉及一种用于从氨和二氧化碳生产尿素的设备。

    REACTOR SYSTEM FOR POLYESTER PRE-CONDENSATION

    公开(公告)号:WO2013002643A3

    公开(公告)日:2013-01-03

    申请号:PCT/NL2012/050464

    申请日:2012-06-29

    Inventor: FACCHI, Edoardo

    Abstract: Disclosed is a reactor system for the production of polyester pre-condensate. The system comprises at least two reaction zones, operating at substantially different pressure. Reactants fed into the first zone are allowed to initially react and are then allowed to enter a second zone by means of pressure flow. In the second zone, a system of concentric spacers is present so as to ensure a sufficient path length of the reaction mixture to form a pre-condensate, as well as in internal heat exchanger. The pre-condensate is allowed to flow to a next (polymerization) stage by means of gravity flow on account of a standpipe present in the second reaction zone. Said standpipe has an inlet above the internal heating system in the second reaction zone.

    METHOD FOR HYDROGEN PRODUCTION
    28.
    发明申请
    METHOD FOR HYDROGEN PRODUCTION 审中-公开
    氢生产方法

    公开(公告)号:WO2012096572A1

    公开(公告)日:2012-07-19

    申请号:PCT/NL2012/050007

    申请日:2012-01-05

    Abstract: The invention relates to the production of hydrogen by steam reforming comprising the steps of (i) providing a fossil fuel, preferably methane, and steam, (ii) conducting a steam reforming reaction between the fossil fuel and the steam under heating, wherein a reaction mixture is formed comprising hydrogen and carbon dioxide, (iii) separating hydrogen from the reaction mixture by membrane separation, wherein a permeate is formed comprising hydrogen and a retentate comprising carbon dioxide, (iv) purifying carbon dioxide from the retentate, and (v) using said carbon dioxide as a heat exchange medium to supply heat at least for the steam reforming reaction (ii). The method of the invention can also be used for the production of pressurised carbon dioxide characterised by a high purity. Further, the invention relates to a system for hydrogen production and to the use of pressurised carbon dioxide as heat exchange medium.

    Abstract translation: 本发明涉及通过蒸汽重整生产氢,其包括以下步骤:(i)提供化石燃料,优选甲烷和蒸汽,(ii)在加热下在化石燃料和蒸汽之间进行蒸汽重整反应,其中反应 形成包含氢气和二氧化碳的混合物,(iii)通过膜分离从反应混合物中分离氢,其中形成包含氢气和包含二氧化碳的渗余物的渗透物,(iv)从渗余物中提纯二氧化碳,和(v) 使用所述二氧化碳作为热交换介质至少为蒸汽重整反应(ii)供应热量。 本发明的方法也可用于生产特征为高纯度的加压二氧化碳。 此外,本发明涉及一种用于制氢和使用加压二氧化碳作为热交换介质的系统。

    LIQUID COMPOSITION COMPRISING SILICONE OLIGOMERS
    29.
    发明申请
    LIQUID COMPOSITION COMPRISING SILICONE OLIGOMERS 审中-公开
    包含硅氧烷低聚物的液体组合物

    公开(公告)号:WO1991017198A1

    公开(公告)日:1991-11-14

    申请号:PCT/NL1991000075

    申请日:1991-05-03

    Inventor: STAMICARBON B.V.

    Abstract: The invention is related to a liquid composition comprising (1) a silicon oligomer comprising a group derivable from an alkoxylated silicone, at least two groups chosen from the group consisting of urethane and urea groups obtained from a polyisocyanate and at least one ethylenical unsaturation and (2) at least one polyfunctional cross-linking agent. The liquid composition is suitable in producing ribbon coatings for optical glass fibers.

    Abstract translation: 本发明涉及一种液体组合物,其包含(1)包含可衍生自烷氧基化硅氧烷的基团的硅低聚物,至少两种选自多异氰酸酯和至少一种烯属不饱和基团的氨基甲酸酯和脲基团的基团和( 2)至少一种多官能交联剂。 液体组合物适用于生产光学玻璃纤维的带状涂层。

    PROCESS AND CATALYST FOR THE POLYMERIZATION OF CYCLIC ESTERS
    30.
    发明申请
    PROCESS AND CATALYST FOR THE POLYMERIZATION OF CYCLIC ESTERS 审中-公开
    环糊精聚合的工艺和催化剂

    公开(公告)号:WO1991016368A1

    公开(公告)日:1991-10-31

    申请号:PCT/NL1991000063

    申请日:1991-04-19

    Inventor: STAMICARBON B.V.

    CPC classification number: C08G64/30 C08G63/823

    Abstract: Process for the polymerization of cyclic esters, using a metal salt as a catalyst, whereby the catalyst consists of a compound with formula (I) where M is a metal ion and n a number from 1 to 4 and being smaller or equaling the valency of the metal ion and where the R and R groups are, independently of each other, alkyl, aryl or cycloaliphatic groups and R is an alkyl, aryl, cycloaliphatic group or a hydrogen atom and where the R -R groups are so chosen that the catalyst has a melting point lower than the desired polymerization temperature. Polymers produced while applying a process or a catalyst according to the invention can be used in numerous fields, but are of particular advantage in biomedical applications as bio-resorbable material, as described in literature.

    Abstract translation: 使用金属盐作为催化剂聚合环酯的方法,其中催化剂由式(I)的化合物组成,其中M是金属离子,na数为1至4,并且小于或等于 金属离子,其中R 1和R 2基团彼此独立地为烷基,芳基或脂环族基团,R 3为烷基,芳基,脂环族基团或氢原子, 1> -R 3基团,使得催化剂具有低于所需聚合温度的熔点。 在应用本发明的方法或催化剂的同时生产的聚合物可用于许多领域,但在生物医学应用中作为生物可再吸收材料具有特别的优点,如文献中所述。

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