ULTRAFILTRATION OF POLYISOOLEFIN COPOLYMERS
    11.
    发明公开

    公开(公告)号:EP3166979A4

    公开(公告)日:2018-03-21

    申请号:EP15819182

    申请日:2015-07-07

    Inventor: SIEGERS CONRAD

    Abstract: A method of separating a polyisoolefin elastomer from non-polymeric components in an organic solvent involves ultrafiltration of a solution of the polyisoolefin elastomer and non-polymeric components in an organic solvent through a semipermeable membrane to substantially retain the polyisoolefin elastomer in a retentate and provide the non-polymeric components in a permeate. Advantageously, stabilizers for the polyisoolefin elastomer are retained in the retentate along with the polyisoolefin elastomer, permeate flux through the membrane is higher as concentration of the polyisoolefin elastomer in the solution increases up to a concentration limit, the separated polyisoolefin elastomer in the retentate has a molecular weight that can be substantially unchanged even when ultrafiltration is conducted at elevated temperature and the amount of polyisoolefin elastomer in the permeate is unmeasurable providing an oligomer-rich permeate uncontaminated by polyisoolefin elastomer.

    HIGH VELOCITY CROSS FLOW DYNAMIC MEMBRANE FILTER
    15.
    发明公开
    HIGH VELOCITY CROSS FLOW DYNAMIC MEMBRANE FILTER 审中-公开
    高速交叉流动态膜过滤器

    公开(公告)号:EP3237098A1

    公开(公告)日:2017-11-01

    申请号:EP15874194.2

    申请日:2015-12-18

    Abstract: A high velocity cross flow dynamic membrane filtration system includes a disc membrane assembly having a frame and at least two support shafts. Each support shaft defines a longitudinal axis about which is positioned a plurality of axially spaced membrane discs, with each shaft further coupled to the frame. A permeate tube is coupled to each support shaft and in fluid communication with the membrane discs associated with that support shaft. A vessel defines a treatment chamber and is configured to removably support the disc membrane assembly within the treatment chamber. The vessel further includes a wall. The filtration system also includes a drive system. The permeate tubes are configured to extend through a portion of the vessel wall when the disc membrane assembly is positioned within the treatment chamber. The permeate tubes are further configured for rotation by the drive system.

    Abstract translation: 高速横流动态膜过滤系统包括具有框架和至少两个支撑轴的盘式膜组件。 每个支撑轴限定纵向轴线,多个轴向隔开的膜片围绕该纵向轴线定位,每个轴进一步联接到框架。 渗透管联接到每个支撑轴并且与与该支撑轴关联的膜盘流体连通。 容器限定处理室并且构造成将盘片膜组件可移除地支撑在处理室内。 该船还包括一堵墙。 过滤系统还包括一个驱动系统。 渗透管构造成当盘膜组件定位在处理室内时延伸穿过容器壁的一部分。 渗透管进一步被配置成通过驱动系统旋转。

    AN IMPROVED TANGENTIAL FILTERING METHOD AND DEVICE
    16.
    发明公开
    AN IMPROVED TANGENTIAL FILTERING METHOD AND DEVICE 审中-公开
    改进的切换滤波方法和装置

    公开(公告)号:EP3216514A1

    公开(公告)日:2017-09-13

    申请号:EP17159773.5

    申请日:2017-03-08

    Abstract: An improved tangential filtering method, in particular for filtering organic liquid products in the food processing sector, of the type which uses a tangential filter (3) comprising at least one filtering element (6), along which the fluid product to be treated is intended to flow in parallel so as to separate the permeate, which is collected and extracted through at least one permeate outlet, from the retentate, which is then reintroduced into the filter itself by means of a recirculation circuit (18), characterized in that:
    - the speed/flow rate of the product to be treated is detected by means of a speed/flow rate sensor (22) positioned inside the recirculation circuit (18), in which a centrifuge pump (20) for recirculating said product to be treated is also provided,
    - the speed/flow rate detected by means of said sensor (22) is periodically compared with at least one predetermined value, and the activation of a device (38), which cleans said filtering elements (6) without interrupting the filtering, is controlled on the basis of such comparison.

    Abstract translation: 一种改进的切向过滤方法,尤其是用于过滤食品加工领域中的有机液体产品的切向过滤方法,其使用包括至少一个过滤元件(6)的切向过滤器(3),待处理的流体产品 平行流动,以便将通过至少一个渗透物出口收集和提取的渗透物从渗余物中分离,然后通过再循环回路(18)将其重新引入到过滤器本身中,其特征在于: - 通过位于再循环回路(18)内部的速度/流速传感器(22)检测待处理产品的速度/流速,其中用于再循环待处理产品的离心泵(20) 还提供了 - 通过所述传感器(22)检测的速度/流速周期性地与至少一个预定值进行比较,并且启动清洁所述过滤元件(6)而没有中断的装置(38) 在这种比较的基础上控制过滤。

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