Devolatilisation Apparatus and a Process for use Thereof
    52.
    发明申请
    Devolatilisation Apparatus and a Process for use Thereof 审中-公开
    脱挥发装置及其使用方法

    公开(公告)号:US20150360148A1

    公开(公告)日:2015-12-17

    申请号:US14763707

    申请日:2014-02-03

    Inventor: François LOVIAT

    Abstract: A static devolatilisation apparatus (1) adapted for devolatilising a viscous liquid (2) comprising a volatile component is disclosed. The apparatus (1) comprises a phase separation chamber (100) in an upper region (5) for treating the viscous liquid (2) in a first devolatilisation step to form a first devolatilised viscous liquid (21), and a distributor sub-unit 200 is located below the phase separation chamber (100) and above a lower sump region (4). The sub-unit (200) has a second discharge region (222) embodied such that it is contacted by the first devolatilised viscous liquid (21), and the region (222) has a surface (223) embodied such that the first devolatilised viscous liquid (21) is treated in a second devolatilisation step. The present invention further relates to a process to devolatilising a viscous liquid using the apparatus (1) and also to the use of the apparatus (1) in the devolatilisation of polymer melt or solution.

    Abstract translation: 公开了一种适于使包含挥发性组分的粘性液体(2)脱挥发分的静态脱挥发分装置(1)。 装置(1)包括在上部区域(5)中的相分离室(100),用于在第一脱挥发分步骤中处理粘性液体(2)以形成第一脱挥发分粘性液体(21)和分配器子单元 200位于相分离室(100)下方和下部集水区(4)的上方。 子单元(200)具有第二排放区域(222),其被实施为使得其与第一脱挥发分的粘性液体(21)接触,并且区域(222)具有表面(223),使得第一脱挥发粘的粘性 在第二脱挥发分步骤中处理液体(21)。 本发明还涉及使用该装置(1)使粘性液体脱挥发分的方法,还涉及在聚合物熔体或溶液的脱挥发分中使用该装置(1)。

    UREA PLANT REVAMPING METHOD
    53.
    发明申请
    UREA PLANT REVAMPING METHOD 有权
    UREA植物改造方法

    公开(公告)号:US20150343409A1

    公开(公告)日:2015-12-03

    申请号:US14655680

    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 synthesis section comprising 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铵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 synthesis of urea comprising a passivation stream at the stripper bottom
    54.
    发明授权
    Process for the synthesis of urea comprising a passivation stream at the stripper bottom 有权
    合成尿素的方法,包括在汽提器底部的钝化流

    公开(公告)号:US09199926B2

    公开(公告)日:2015-12-01

    申请号:US14371144

    申请日:2013-01-09

    Applicant: SAIPEM S.p.A.

    CPC classification number: C07C273/04 B01D3/009 Y02P20/142 Y02P20/582

    Abstract: A process for the direct synthesis of urea from ammonia and carbon dioxide with increased corrosion resistance, comprising, in the high-pressure synthesis section, a reaction step in a vertical reactor fed with at least one stream of fresh carbon dioxide containing a passivating agent and a decomposition-stripping step of the non-converted reagents, wherein the gas-liquid mixture collected at the head of the reactor is separated into a gaseous stream and a liquid stream fed to the tail and head of the stripper, respectively.

    Abstract translation: 一种用于从具有增加的耐腐蚀性的氨和二氧化碳直接合成尿素的方法,包括在高压合成段中在垂直反应器中的反应步骤,该反应器供应至少一种含有钝化剂的新鲜二氧化碳流和 未转化试剂的分解汽提步骤,其中在反应器头部收集的气液混合物分离成气态物流和分别送入汽提塔尾部和头部的液体流。

    Method for producing allyl alcohol
    57.
    发明授权
    Method for producing allyl alcohol 有权
    烯丙醇生产方法

    公开(公告)号:US09150473B2

    公开(公告)日:2015-10-06

    申请号:US14221666

    申请日:2014-03-21

    CPC classification number: C07C29/095 B01D3/009 Y02P20/127 C07C33/03

    Abstract: A method for producing allyl alcohol is disclosed. The method includes steps of feeding allyl acetate and water into a reactive distillation column; performing a reaction in a reaction zone and separating a product containing allyl alcohol, acetic acid and water from the reactive distillation column. Accordingly, the method effectively enhances a conversion rate of hydrolysis for allyl acetate, simplifies the process and reduces energy consumption.

    Abstract translation: 公开了一种生产烯丙醇的方法。 该方法包括将乙酸烯丙酯和水进料到反应性蒸馏塔中的步骤; 在反应区中进行反应,并从反应蒸馏塔中分离含有烯丙醇,乙酸和水的产物。 因此,该方法有效地提高乙酸烯丙酯的水解转化率,简化了工艺并降低了能量消耗。

Patent Agency Ranking