Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events
    5.
    发明授权
    Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events 失效
    用于在线监测和控制聚合过程和反应器以防止不连续事件的方法

    公开(公告)号:US08433443B2

    公开(公告)日:2013-04-30

    申请号:US12214469

    申请日:2008-06-19

    IPC分类号: G05B21/00

    摘要: Generally, a method of monitoring a polymerization reaction in a fluid bed reactor to generate, in on-line fashion, data indicative of the imminent occurrence of a discontinuity event (for example, sheeting) and optionally also control the reaction to prevent the occurrence of the discontinuity event is provided. Typical embodiments include the steps of generating in on-line fashion at least one of bed static data indicative of static charge in the fluidized bed and carryover static data indicative of carryover static; and generating at least one of temperature data (in on-line fashion using at least one monitored reaction parameter) indicative of a first temperature and acoustic emission data indicative of resin stickiness in the reactor, where the first temperature is indicative of at least one of degree of resin stickiness in the reactor and a characteristic of melting behavior of polymer resin in the reactor in the presence of at least one diluent.

    摘要翻译: 通常,监测流化床反应器中的聚合反应的方法,以在线方式产生指示即将发生的不连续事件(例如,片材)的数据,并且还可任选地控制反应以防止发生 提供不连续事件。 典型的实施方案包括以在线方式产生指示流化床中的静电荷的床静态数据中的至少一种并携带指示携带静电的静态数据的步骤; 并且产生指示在反应器中指示树脂粘性的第一温度和声发射数据的温度数据(以在线方式使用至少一个监测的反应参数)中的至少一个,其中第一温度表示以下中的至少一个: 在至少一种稀释剂存在下,反应器中的树脂粘性程度和聚合物树脂在反应器中的熔融行为的特征。

    Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events
    6.
    发明申请
    Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events 失效
    用于在线监测和控制聚合过程和反应器以防止不连续事件的方法

    公开(公告)号:US20080319583A1

    公开(公告)日:2008-12-25

    申请号:US12214469

    申请日:2008-06-19

    IPC分类号: G05B21/00

    摘要: Generally, a method of monitoring a polymerization reaction in a fluid bed reactor to generate, in on-line fashion, data indicative of the imminent occurrence of a discontinuity event (for example, sheeting) and optionally also control the reaction to prevent the occurrence of the discontinuity event is provided. Typical embodiments include the steps of generating in on-line fashion at least one of bed static data indicative of static charge in the fluidized bed and carryover static data indicative of carryover static; and generating at least one of temperature data (in on-line fashion using at least one monitored reaction parameter) indicative of a first temperature and acoustic emission data indicative of resin stickiness in the reactor, where the first temperature is indicative of at least one of degree of resin stickiness in the reactor and a characteristic of melting behavior of polymer resin in the reactor in the presence of at least one diluent.

    摘要翻译: 通常,监测流化床反应器中的聚合反应的方法,以在线方式产生指示即将发生的不连续事件(例如,片材)的数据,并且还可任选地控制反应以防止发生 提供不连续事件。 典型的实施方案包括以在线方式产生指示流化床中的静电荷的床静态数据中的至少一种并携带指示携带静电的静态数据的步骤; 并且产生指示在反应器中指示树脂粘性的第一温度和声发射数据的温度数据(以在线方式使用至少一个监测的反应参数)中的至少一个,其中第一温度表示以下中的至少一个: 在至少一种稀释剂存在下,反应器中的树脂粘性程度和聚合物树脂在反应器中的熔融行为的特征。

    Alcohol separation process
    8.
    发明授权
    Alcohol separation process 失效
    酒精分离过程

    公开(公告)号:US4391919A

    公开(公告)日:1983-07-05

    申请号:US279098

    申请日:1981-06-30

    申请人: Ian D. Burdett

    发明人: Ian D. Burdett

    CPC分类号: C07C29/151 C07C29/86

    摘要: The process involves the separation of monohydric and polyhydric products from a liquid homogeneous mixture obtained from the reaction of hydrogen and oxides of carbon in a solvent solution containing a Group VIII metal carbonyl complex catalyst by extracting said solvent solution with a liquid polyhydric alcohol having at least four carbon atoms and at least four hydroxyl moieties at a temperature of at least 50.degree. C. Further, the process is advantageous in that it can be effected under pressure in the presence of oxides of carbon.

    摘要翻译: 该方法涉及通过从含有第VIII族金属羰基络合物催化剂的溶剂溶液中的氢和碳氧化物的反应获得的液体均匀混合物中分离出一元和多羟基产物,通过用至少具有至少 四个碳原子和至少四个羟基部分。此外,该方法的优点在于它可以在碳氧化物存在下在压力下进行。