摘要:
The present invention relates to heat exchangers, and in particular to a method for treatment of a heat exchanger which in operation is used to cool process water which has been in contact with polymer particles, which method comprises passing to the process side of the heat exchanger a treatment stream whilst the heat exchanger is at an elevated temperature compared to the temperature when the heat exchanger is in operation.
摘要:
The present invention relates to processes and apparatus useful for the production of polymer powder, and in particular to processes and apparatus for the degassing of polymer powder.