PREVENTING OR REDUCING SCALE IN WET-PROCESS PHOSPHORIC ACID PRODUCTION
    3.
    发明申请
    PREVENTING OR REDUCING SCALE IN WET-PROCESS PHOSPHORIC ACID PRODUCTION 有权
    防止或减少湿法处理磷酸生产的规模

    公开(公告)号:US20110076219A1

    公开(公告)日:2011-03-31

    申请号:US12888861

    申请日:2010-09-23

    IPC分类号: C01B25/22

    CPC分类号: C01B25/22

    摘要: Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided.

    摘要翻译: 通过在磷酸生产过程中的一个或多个步骤将水溶性功能性有机试剂与磷酸混合,以防止或减少在湿法磷酸生产过程中形成规模的方法, 提供至少一种量表。

    Process and Reagents for the Inhibition or Reduction of Scale Formation During Phosphoric Acid Production
    4.
    发明申请
    Process and Reagents for the Inhibition or Reduction of Scale Formation During Phosphoric Acid Production 有权
    在磷酸生产过程中抑制或减少比例形成的过程和试剂

    公开(公告)号:US20110076218A1

    公开(公告)日:2011-03-31

    申请号:US12888853

    申请日:2010-09-23

    IPC分类号: C01B25/18

    CPC分类号: C01B25/22

    摘要: Processes and reagents for inhibiting or eliminating scale formation during wet-process phosphoric acid production are provided and include adding to a wet-process phosphoric acid production stream a scale inhibiting amount of a reagent having an aliphatic or aromatic compound containing at least two hydroxy groups, and at least one amine.

    摘要翻译: 提供了在湿法磷酸生产中抑制或消除结垢形成的方法和试剂,包括向湿法磷酸生产流中加入含有至少两个羟基的脂族或芳族化合物的试剂的阻垢量, 和至少一种胺。