METHOD OF ENHANCING HYDRATION OF VISCOSIFIERS USING CONTROLLED MECHANICALLY INDUCED CAVITATION
    4.
    发明申请
    METHOD OF ENHANCING HYDRATION OF VISCOSIFIERS USING CONTROLLED MECHANICALLY INDUCED CAVITATION 审中-公开
    使用受控机械感应加热器对粘合剂进行水化的方法

    公开(公告)号:WO2016172504A1

    公开(公告)日:2016-10-27

    申请号:PCT/US2016/028873

    申请日:2016-04-22

    IPC分类号: B01J8/10 B01F3/12 B01F7/00

    摘要: A method of hydrating a dry powdered viscosifier such as a powdered polymer is disclosed. The method includes mixing the powdered viscosifier with a solvent such as water to form a mixture; moving the mixture through a cavitation zone; inducing energetic shock waves and pressure fluctuations in the mixture by mechanically inducing cavitation events within the mixture, the shock waves and pressure fluctuations untangling, separating, and straightening polymer molecule chains and distributing the chains throughout the mixture, and extracting the resulting hydrated viscosifier from the cavitation zone.

    摘要翻译: 公开了一种水分干粉状增粘剂如粉末聚合物的方法。 该方法包括将粉末状增粘剂与溶剂如水混合以形成混合物; 将混合物移动通过空化区; 通过机械诱导混合物内的气蚀事件,冲击波和压力波动来引起能量冲击波和混合物中的压力波动,解开,分离和矫直聚合物分子链并在整个混合物中分配链,并从所述混合物中提取所得的水合增粘剂 气蚀区。

    REACTOR AND PROCESS FOR SOLID PHASE CONTINUOUS POLYMERISATION OF POLYETHYLENE TEREPHTHALATE (PET)
    7.
    发明申请
    REACTOR AND PROCESS FOR SOLID PHASE CONTINUOUS POLYMERISATION OF POLYETHYLENE TEREPHTHALATE (PET) 审中-公开
    聚对苯二甲酸乙二醇酯(PET)的固相连续聚合的反应器和方法

    公开(公告)号:WO2004058852A1

    公开(公告)日:2004-07-15

    申请号:PCT/EP2003/011181

    申请日:2003-10-09

    IPC分类号: C08G63/80

    摘要: A reactor and a process for solid phase continuous polymerisation of polyethylene terephthalate (PET) in order to achieve an increase of the intrinsic viscosity (I.V.) of a low molecular weight PET pre-polymers flow, wherein the formation of a plurality of fluidised stages in series (109; 309) is provided, being said PET pre-polymers flow fed into said fluidised stages in series (109; 309) and being an inert gas flow fed either in cross-flow or in counter-current flow with respect to said PET pre-polymers flow.

    摘要翻译: 一种用于聚对苯二甲酸乙二醇酯(PET)的固相连续聚合的反应器和方法,以便实现低分子量PET预聚物流的特性粘度(IV)的增加,其中形成多个流化阶段 提供了串联(109; 309),所述PET预聚合物流被串联(109; 309)进料到所述流化级中,并且是相对于所述流化床流动的交叉流动或逆流流动的惰性气体流 PET预聚物流。

    EXOTHERMIC PROCESS WITH POROUS MEANS TO CONTROL REACTION RATE AND EXOTHERMIC HEAT
    8.
    发明申请
    EXOTHERMIC PROCESS WITH POROUS MEANS TO CONTROL REACTION RATE AND EXOTHERMIC HEAT 审中-公开
    具有多孔手段控制反应速率和超热能的多功能工艺

    公开(公告)号:WO1994020207A1

    公开(公告)日:1994-09-15

    申请号:PCT/US1994002342

    申请日:1994-03-02

    申请人: SRI INTERNATIONAL

    IPC分类号: B01J10/00

    摘要: An exothermic process for forming a product which may be in a liquid phase is disclosed wherein a first reactant (3), preferably a liquid reactant, is directly fed into a reaction zone (10) containing mixing elements (12, 58) and which comprises a first compartment (10) of a reactor (2, 40). A second reactant, which is maintained at a higher pressure, is fed into a second compartment (20) of the reactor (2, 40) separated from the first compartment (10) by a porous wall (32, 52). The second reactant (4) passes through this porous wall (32, 52) into the reaction zone to react with the first reactant (3). The process thereby controls rates of the reactions and the exothermic heats generated by the reactions. Pulsatile flow in one or both reaction compartments improves mixing. An evaporator for a portion of the production improves product quality and permits higher reaction temperatures in the reactor.

    摘要翻译: 公开了用于形成可能处于液相的产物的放热方法,其中将第一反应物(3),优选液体反应物直接进料到含有混合元件(12,58)的反应区(10)中,其包含 反应器(2,40)的第一隔室(10)。 保持在较高压力的第二反应物通过多孔壁(32,52)进料到与第一隔室(10)分离的反应器(2,40)的第二隔室(20)中。 第二反应物(4)通过该多孔壁(32,52)进入反应区以与第一反应物(3)反应。 该方法由此控制由反应产生的反应速率和放热。 一个或两个反应室中的脉动流改善混合。 用于部分生产的蒸发器提高了产品质量并允许反应器中的较高反应温度。

    USE OF PENDULUM VISCOMETER IN FLUID-BED REACTION
    9.
    发明申请
    USE OF PENDULUM VISCOMETER IN FLUID-BED REACTION 审中-公开
    在流化床反应中使用PENDULUM粘度计

    公开(公告)号:WO1980000699A1

    公开(公告)日:1980-04-17

    申请号:PCT/US1979000734

    申请日:1979-09-12

    申请人: GOODRICH CO B F

    IPC分类号: C07C120/14

    摘要: Method for using a pendulum viscometer having damped torsional oscillations, in a laboratory catalytic fluid-bed reactor, to monitor a propensity to stick which is exhibited by certain supported catalysts. A fluid-bed of such catalysts has been found to become suddenly more stikky just before a point at which a change in pressure drop across the fluid-bed can be measured due to a process "upset". At this point ("the inversion point"), the upset is usually irremediable. The method includes correlating data on catalyst stickiness from a laboratory reactor operating at atmospheric pressure, with an expected level of catalyst stickiness in a commercial reactor operating at elevated pressure. A pendulum viscometer and related auxiliary apparatus is disclosed for magnetically and electrically measuring and recording the rate at which the pendulum's torsional oscillations are damped. Frequent measurements are made during normal operation of the fluid-bed to determine its stickiness (as evidenced by the rate at which the pendulum's torsional oscillations are damped) relative to the stickiness at the inversion point. Operation of the fluid-bed under conditions for which measured rates of damping are predeterminedly lower than the rate near the inversion point, assures operation of the fluid-bed reactor at maximum efficiency.

    摘要翻译: 在实验室催化流化床反应器中使用具有阻尼扭转振荡的摆式粘度计的方法,以监测某些负载型催化剂显示的粘附倾向。 已经发现,这种催化剂的流化床在刚好在过程“不舒服”之前可以测量流化床上的压降变化的点之前突然变得更加稳定。 在这一点上(“反转点”),烦恼通常是不可接受的。 该方法包括将来自在大气压下操作的实验室反应器的催化剂粘性的数据与在高压下操作的商业反应器中的催化剂粘性的预期水平相关联。 公开了一种摆式粘度计和相关的辅助设备,用于磁和电测量和记录摆动扭转振荡被阻尼的速率。 在流体床的正常运行期间进行频繁的测量,以确定其相对于反转点处的粘性的粘性(摆锤的扭转振荡被阻尼的速率证明)。 在测量的阻尼比预定低于反转点附近的速率的条件下,流化床的操作确保了流化床反应器的最大效率。