| 摘要 |
PURPOSE:To perform a continuous conditioning of a viscous polymer solution without attaching and/or clogging of the polymer, by continuously mixing, in a liquid phase under a pressurized state, a non-conditioned syrup and conditioned one followed by flush evaporation, deaeration, and cooling to make the conditioned syrup, part of which being returned for said mixing. CONSTITUTION:In order to condition a viscous polymer solution (syrup) so as to be adapted to succeeding treatment processes, a non-conditioned syrup and conditioned one are continuously mixed, in a liquid phase under a pressure 1- 20atm., in a weight ratio of the former to the latter 1:1-200 to make a 1-70 deg.C mixed syrup, which is then subjected, under a pressure 1-200Torr, to continuous flush evaporation, deaeration, cooling, and, if required, concentration, to prepare a 0-50 deg.C conditioned syrup, part of which is returned for said mixing, the rest being provided for succeeding treatment processes, thus accomplishing the objective continuous conditioning.
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