| 摘要 |
Heater for a polymer-containing stream withdrawn from a polymerisation reactor prior to its entry into a degassing vessel, comprising a transfer line through which the polymer-containing stream passes and means for heating the transfer line, wherein the ratio of the outlet diameter Do of the line to its inlet diameter D i , D o /D i , is greater than 1, preferably between 1.2 and 10. A process employing the heater is also disclosed.
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