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    • 71. 发明授权
    • Integrated steam heating in polyester production process
    • 在聚酯生产过程中集成蒸汽加热
    • US08202962B2
    • 2012-06-19
    • US12558020
    • 2009-09-11
    • Alan George WondersJames Donald SimpsonBruce Roger DeBruin
    • Alan George WondersJames Donald SimpsonBruce Roger DeBruin
    • C08G63/02C08G63/00
    • C08G63/78Y02P20/125
    • Processes for making polyesters in a polyester production facility are disclosed, that include the steps of: forming a reaction medium comprising at least one monomer that includes terephthalic acid (TPA) and/or an ester derivative of TPA; subjecting at least a portion of the reaction medium to one or more chemical reactions in the polyester production facility to thereby produce the polyester; heating at least a portion of the reaction medium via indirect heat exchange with high-pressure steam, wherein the heating causes at least a portion of the high-pressure steam to condense and thereby provide pressurized condensed water; flashing at least a portion of the pressurized condensed water to thereby produce lower-pressure steam; and heating one or more process fluid streams of the polyester production facility via indirect heat exchange with at least a portion of the lower-pressure steam, wherein the process fluid streams include any stream that is formed predominately of the reaction medium and/or the at least one monomer.
    • 公开了在聚酯生产设备中制备聚酯的方法,其包括以下步骤:形成包含至少一种包含对苯二甲酸(TPA)和/或TPA的酯衍生物的单体的反应介质; 使至少一部分反应介质在聚酯制造设备中进行一次或多次化学反应,从而制造聚酯; 通过与高压蒸汽的间接热交换来加热至少一部分反应介质,其中加热使至少一部分高压蒸汽冷凝,从而提供加压的冷凝水; 闪烁至少一部分加压冷凝水,从而产生低压蒸汽; 以及通过与所述低压蒸汽的至少一部分的间接热交换来加热所述聚酯生产设备的一个或多个过程流体流,其中所述过程流体流包括主要由所述反应介质和/或所述反应介质形成的任何流 至少一种单体。
    • 72. 发明授权
    • Integrated steam heating in polyester production process
    • 在聚酯生产过程中集成蒸汽加热
    • US08198397B2
    • 2012-06-12
    • US12558003
    • 2009-09-11
    • Alan George WondersJames Donald SimpsonBruce Roger DeBruin
    • Alan George WondersJames Donald SimpsonBruce Roger DeBruin
    • C08G64/00C08G63/02
    • C08G63/78Y02P20/125
    • Integrated processes for making polyesters are disclosed, that include the steps of: (a) producing an aromatic polycarboxylic acid in a monomer production facility; (b) producing a polyester in a polyester production facility, wherein the producing of the polyester comprises the substeps of: (i) forming a polyester reaction medium comprising at least a portion of the aromatic polycarboxylic acid from the monomer production facility, (ii) subjecting at least a portion of the polyester reaction medium to one or more chemical reactions to thereby produce the polyester, (iii) heating the polyester reaction medium at one or more locations in the polyester production facility via indirect heat exchange with high-pressure steam, wherein the heating causes at least a portion of the high-pressure steam to condense and thereby provide pressurized condensed water, and (iv) flashing at least a portion of the pressurized condensed water to thereby produce lower-pressure steam; and (c) using at least a portion of the lower-pressure steam to provide thermal energy to the monomer production facility.
    • 公开了制造聚酯的综合方法,包括以下步骤:(a)在单体生产设备中制备芳族多元羧酸; (b)在聚酯制造设备中制造聚酯,其中聚酯的制造包括以下子步骤:(i)从单体生产设备形成包含至少一部分芳族多元羧酸的聚酯反应介质,(ii) 使聚酯反应介质的至少一部分进行一个或多个化学反应从而生产聚酯,(iii)通过与高压蒸汽的间接热交换在聚酯生产设备中的一个或多个位置处加热聚酯反应介质, 其中所述加热使得所述高压蒸汽的至少一部分冷凝,从而提供加压的冷凝水,和(iv)使加压冷凝水的至少一部分闪蒸,从而产生低压蒸汽; 和(c)使用至少一部分低压蒸汽来向单体生产设备提供热能。