Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion

Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion

  • CN 101,395,120 A
  • Filed: 02/16/2007
  • Published: 03/25/2009
  • Est. Priority Date: 03/01/2006
  • Status: Active Application
First Claim
Patent Images

1. method that is used to produce polycarboxylic acid compositions, described method comprises:

  • make the heterogeneous reaction medium carry out oxidative digestion in one or more digestion reactors, described heterogeneous reaction medium comprises polycarboxylic acid, wherein said oxidative digestion carries out under such condition, described condition be enough to provide have with the mass accumulation fractional value (CMF0.2) under 0.2 reduced time less than about 0.1 with CMF0.5 be at least about 0.15 be the solid of described reaction medium of parking time distributing function of feature and/or slurry mutually.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×