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54 条记录 (耗时 0.03 秒)

    Method for seed bed treatment before a polymerization reaction
    21.
    发明授权
    Method for seed bed treatment before a polymerization reaction 有权
    聚合反应前种子床处理方法

    公开(公告)号：US08039562B2

    公开(公告)日：2011-10-18

    申请号：US12322143

    申请日：2009-01-29

    申请人： Richard B. Pannell ,  Eric J. Markel ,  Agapios K. Agapiou

    发明人： Richard B. Pannell ,  Eric J. Markel ,  Agapios K. Agapiou

    IPC分类号： C08F2/00 ,  C08F210/00

    CPC分类号： C08F10/00 ,  Y02P20/582 ,  C08F2/34 ,  C08F2/005

    摘要： In some embodiments, a method in which at least one continuity additive (“CA”) and a seed bed are pre-loaded into a reactor, and a polymerization reaction is optionally then performed in the reactor. In other embodiments, at least one flow improver, at least one CA, and a seed bed are pre-loaded into a reactor. Pre-loading of a reactor with a CA can significantly improve continuity of a subsequent polymerization reaction in the reactor during its initial stages, including by reducing sheeting and fouling. The CA can be pre-loaded in dry form (e.g., as a powder), or in liquid or slurry form (e.g., as an oil slurry). To aid delivery of a dry CA to the reactor and combination of the dry CA with a seed bed in the reactor, the dry CA can be combined with a flow improver and the combination of CA and flow improver then loaded into the reactor. Alternatively, the CA and flow improver can be sequentially loaded into the reactor, and then mixed together (and mixed with a seed bed) in the reactor after both the CA and flow improver have been separately loaded into the reactor.

    摘要翻译： 在一些实施方案中，将至少一种连续性添加剂（“CA”）和种子床预加载到反应器中的方法，然后任选地在反应器中进行聚合反应。 在其它实施方案中，将至少一种流动改进剂，至少一种CA和种子床预加载到反应器中。 具有CA的反应器的预装载可以显着改善反应器在其初始阶段期间的后续聚合反应的连续性，包括通过减少薄片和结垢。 CA可以预干燥形式（例如，作为粉末），或以液体或浆液形式（例如，作为油浆）预加载。 为了帮助将干燥的CA输送到反应器中，并且干燥的CA与反应器中的种子床的组合，干燥的CA可与流动改进剂组合，然后将CA和流动改进剂的组合装入反应器中。 或者，CA和流动改进剂可以顺序地加载到反应器中，然后在CA和流动改进剂已经分别装载到反应器中之后混合在一起（并与种子床混合）在反应器中。

    Method for seed bed treatment before a polymerization reaction
    22.
    发明申请
    Method for seed bed treatment before a polymerization reaction 有权
    聚合反应前种子床处理方法

    公开(公告)号：US20090198025A1

    公开(公告)日：2009-08-06

    申请号：US12322143

    申请日：2009-01-29

    申请人： Richard B. Pannell ,  Eric J. Markel ,  Agapios K. Agapiou

    发明人： Richard B. Pannell ,  Eric J. Markel ,  Agapios K. Agapiou

    IPC分类号： C08F2/01

    CPC分类号： C08F10/00 ,  Y02P20/582 ,  C08F2/34 ,  C08F2/005

    摘要： In some embodiments, a method in which at least one continuity additive (“CA”) and a seed bed are pre-loaded into a reactor, and a polymerization reaction is optionally then performed in the reactor. In other embodiments, at least one flow improver, at least one CA, and a seed bed are pre-loaded into a reactor. Pre-loading of a reactor with a CA can significantly improve continuity of a subsequent polymerization reaction in the reactor during its initial stages, including by reducing sheeting and fouling. The CA can be pre-loaded in dry form (e.g., as a powder), or in liquid or slurry form (e.g., as an oil slurry). To aid delivery of a dry CA to the reactor and combination of the dry CA with a seed bed in the reactor, the dry CA can be combined with a flow improver and the combination of CA and flow improver then loaded into the reactor. Alternatively, the CA and flow improver can be sequentially loaded into the reactor, and then mixed together (and mixed with a seed bed) in the reactor after both the CA and flow improver have been separately loaded into the reactor.

    摘要翻译： 在一些实施方案中，将至少一种连续性添加剂（“CA”）和种子床预加载到反应器中的方法，然后任选地在反应器中进行聚合反应。 在其它实施方案中，将至少一种流动改进剂，至少一种CA和种子床预加载到反应器中。 具有CA的反应器的预装载可以显着改善反应器在其初始阶段期间的后续聚合反应的连续性，包括通过减少薄片和结垢。 CA可以预干燥形式（例如，作为粉末），或以液体或浆液形式（例如，作为油浆）预加载。 为了帮助将干燥的CA输送到反应器中，并且干燥的CA与反应器中的种子床的组合，干燥的CA可与流动改进剂组合，然后将CA和流动改进剂的组合装载到反应器中。 或者，CA和流动改进剂可以顺序地加载到反应器中，然后在CA和流动改进剂已经分别装载到反应器中之后混合在一起（并与种子床混合）在反应器中。

    Method and System for Assessing Reactor Fluidization Quality and Operability From Frequency Spectrum of Temperature Data
    24.
    发明申请
    Method and System for Assessing Reactor Fluidization Quality and Operability From Frequency Spectrum of Temperature Data 审中-公开
    温度数据频谱评估反应器流化质量和可操作性的方法和系统

    公开(公告)号：US20090216481A1

    公开(公告)日：2009-08-27

    申请号：US11886643

    申请日：2006-02-21

    申请人： Eric J. Markel ,  Michael E. Muhle

    发明人： Eric J. Markel ,  Michael E. Muhle

    IPC分类号： G06F15/00 ,  G01K13/00

    CPC分类号： B01J8/1809 ,  B01J8/1872 ,  B01J2208/00256 ,  B01J2208/00274 ,  B01J2219/00063 ,  B01J2219/00065 ,  B01J2219/002 ,  B01J2219/00209 ,  B01J2219/00216 ,  B01J2219/00238 ,  C08F10/02 ,  C08F210/16 ,  C08F2400/02 ,  C08F2/00 ,  C08F2/34

    摘要： In some embodiments, a method or system for assessing fluidization quality of a fluidized bed reactor, including by: (a) generating at least one set of temperature data indicative of temperature at a location within the reactor as a function of time during operation of the reactor; (b) generating transformed data by performing a Fourier transform on each said set of temperature data; (c) generating filtered, transformed data by high-pass filtering the transformed data to remove low frequency components thereof (preferably including the frequency component whose frequency is the natural frequency of the cooling control loop); and (d) determining at least one indication of the fluidization quality from the filtered, transformed data. In some embodiments, the reactor has a cooling control loop having a natural frequency and the frequency components removed during step (c) include a frequency component whose frequency is the natural frequency. In some embodiments, step (a) includes the step of generating at least two sets of skin temperature data, each indicative of skin temperature as a function of time at a different elevation within the fluidized bed. Some embodiments enable diagnosis of poor fluidization or mixing in the bed of a fluidized bed reactor, by analyzing Fourier-transformed, filtered skin temperature data.

    摘要翻译： 在一些实施例中，一种用于评估流化床反应器的流化质量的方法或系统，包括通过以下步骤：（a）在反应器的运行期间产生指示反应器内部位置处的温度的至少一组温度数据，作为时间的函数 反应堆; （b）通过对每个所述一组温度数据执行傅里叶变换来产生变换数据; （c）通过对经变换的数据进行高通滤波以除去其低频分量（优选地包括其频率是冷却控制回路的固有频率的频率分量）来产生滤波的变换数据; 以及（d）从经过滤的变换数据确定流化质量的至少一个指示。 在一些实施例中，反应器具有具有固有频率的冷却控制回路，并且在步骤（c）期间去除的频率分量包括频率为固有频率的频率分量。 在一些实施方案中，步骤（a）包括产生至少两组皮肤温度数据的步骤，每组皮肤温度数据指示在流化床内不同高度处的皮肤温度作为时间的函数。 通过分析经傅立叶变换的经过滤的皮肤温度数据，一些实施方案能够诊断流化床反应器的床中的不良流化或混合。

    Method and apparatus for monitoring electrical properties of polymerization reactor wall film
    28.
    发明授权
    Method and apparatus for monitoring electrical properties of polymerization reactor wall film 有权
    监测聚合反应器壁膜电性能的方法和装置

    公开(公告)号：US08441250B2

    公开(公告)日：2013-05-14

    申请号：US12780088

    申请日：2010-05-14

    申请人： Eric J. Markel ,  Timothy R. Lynn

    发明人： Eric J. Markel ,  Timothy R. Lynn

    IPC分类号： G01R1/06

    CPC分类号： C08F10/00 ,  B01J8/1809 ,  B01J2208/00601 ,  B01J2219/0245 ,  C08F2400/02 ,  C08F2/34 ,  C08F2/002 ,  C08F2/00

    摘要： Disclosed is a method for using at least one static probe during polymerization in a fluid bed polymerization reactor system to monitor a coating on a surface of the reactor system and a distal portion of each static probe, wherein the coating is exposed to flowing fluid within the reactor system during the reaction. The surface may be a reactor bed wall (exposed to the reactor's fluid bed) and the coating is exposed to flowing, bubbling fluid within the fluid bed during the reaction. The method may include steps of: during the polymerization reaction, operating the static probe to generate a sequence of data values (“high speed data”) indicative of fluid flow variation (e.g., bubbling or turbulence), and determining from the high speed data at least one electrical property of the coating (e.g., of a portion of the coating on the distal portion of the static probe).

    摘要翻译： 公开了一种在流化床聚合反应器系统中在聚合过程中使用至少一个静态探针以监测反应器系统的表面上的涂层和每个静态探针的远端部分的方法，其中涂层暴露于在 反应器系统。 表面可以是反应器床壁（暴露于反应器的流化床），并且涂层在反应期间暴露于流化床内的流动的起泡流体。 该方法可以包括以下步骤：在聚合反应期间，操作静态探针以产生指示流体流动变化（例如，起泡或湍流）的数据值序列（“高速数据”），并从高速数据 涂层的至少一个电性质（例如，静电探针的远端部分上的涂层的一部分）。

    POLYMERIZATION REACTION MONITORING WITH DETERMINATION OF INDUCED CONDENSING AGENT CONCENTRATION FOR PREVENTING DISCONTINUITY EVENTS
    29.
    发明申请
    POLYMERIZATION REACTION MONITORING WITH DETERMINATION OF INDUCED CONDENSING AGENT CONCENTRATION FOR PREVENTING DISCONTINUITY EVENTS 有权
    用于确定诱导性冷凝剂浓度以防止不连续事件的聚合反应监测

    公开(公告)号：US20090234081A1

    公开(公告)日：2009-09-17

    申请号：US12407019

    申请日：2009-03-19

    申请人： Daniel N. Thomas, JR. ,  Eric J. Markel

    发明人： Daniel N. Thomas, JR. ,  Eric J. Markel

    IPC分类号： C08F2/00

    CPC分类号： C08F210/16 ,  C08F2400/02 ,  C08F2/005 ,  C08F2/00 ,  C08F2/34 ,  C08F210/14 ,  C08F2500/12

    摘要： A method for monitoring a polymer resin-producing polymerization reaction in a fluid bed reactor, including by determining in on-line fashion a maximum diluent (e.g., ICA) concentration and an optimal diluent (e.g., ICA) concentration in the reactor, whereby performing the reaction with diluent (e.g., ICA) concentration less than the maximum diluent concentration ensures an acceptably low risk that the resin in the reactor in the presence of condensable diluent gas will reach a condition of limiting stickiness. Preferably, the optimal diluent concentration maximizes production rate subject to relevant constraints. The method can also include at least one of the steps of controlling the reaction to achieve a desired production rate by controlling diluent (e.g., ICA) concentration, and controlling the reaction to prevent reactor temperature from reaching a reduced melt reference temperature at least substantially equal to a dry melt reference temperature minus a temperature depression value by which the dry melt reference temperature is depressed by presence of at least one condensable diluent gas with the resin in the reactor.

    摘要翻译： 一种用于监测流化床反应器中聚合物树脂生成聚合反应的方法，包括通过以在线方式确定反应器中的最大稀释剂（例如，ICA）浓度和最佳稀释剂（例如ICA）浓度，从而进行 与稀释剂浓度相比，稀释剂（例如，ICA）浓度的反应确保了在可冷凝的稀释气体存在下反应器中的树脂将达到极限粘性的可接受的低风险。 优选地，最佳稀释剂浓度最大化生产率受制于相关的约束。 该方法还可以包括以下步骤中的至少一个：通过控制稀释剂（例如，ICA）浓度来控制反应以达到所需的生产速率，并控制反应以防止反应器温度达到至少基本相等的降低的熔融参考温度 到干熔体参考温度减去通过在反应器中存在至少一种可冷凝稀释气体与树脂而使干熔体参考温度下降的温度下降值。

    Method of maintaining heat transfer capacity in a polymerization reaction system
    30.
    发明授权
    Method of maintaining heat transfer capacity in a polymerization reaction system 有权
    保持聚合反应体系中传热能力的方法

    公开(公告)号：US07790816B2

    公开(公告)日：2010-09-07

    申请号：US11879673

    申请日：2007-07-18

    申请人： Eric J. Markel ,  Agapios K. Agapiou

    发明人： Eric J. Markel ,  Agapios K. Agapiou

    IPC分类号： C08F2/00 ,  C08F2/34 ,  B01J19/00

    CPC分类号： C08F10/00 ,  C08F2400/02 ,  Y10S526/901 ,  C08F2/00 ,  C08F2/005

    摘要： This invention relates to a process for maintaining heat transfer capacity of a cycle cooler while polymerizing olefin(s) in the presence of catalyst and a carboxylate metal salt by controlling the amount of carboxylate metal salt present in the reaction system. In particular, the invention relates to maintaining a cycle cooler performance parameter substantially constant while polymerizing olefin(s) in the presence of a carboxylate metal salt and a conventional-type transition metal polymerization catalyst compound, or a metallocene-type polymerization catalyst compound. This invention further relates to a process wherein the cycle cooler performance parameter is a heat transfer capacity of the cycle cooler, a pressure drop across the cooler, or a cooler approach temperature of a cycle cooler.

    摘要翻译： 本发明涉及通过控制反应体系中存在的羧酸金属盐的量，在催化剂和羧酸盐金属盐的存在下聚合烯烃时，保持循环冷却器的传热能力的方法。 特别地，本发明涉及在羧酸金属盐和常规型过渡金属聚合催化剂化合物或茂金属型聚合催化剂化合物的存在下聚合烯烃时，保持循环冷却器性能参数基本恒定。 本发明还涉及一种方法，其中循环冷却器性能参数是循环冷却器的传热能力，冷却器上的压降或循环冷却器的冷却器接近温度。