Method of olefin polymerization in a reactor, such as a slurry loop olefin polymerization reactor, is provided. The method includes conducting in-situ, real time spectroscopic analysis of one or more reactor constituents. The reactor constituents analyzed may be present in the reactor in either the liquid phase or the solid phase, or both. In response to the measured in-situ values, one or more reactor constituents may be metered into the reactor.

De methode van olefin polymerisatie in een reactor, zoals een olefin van de dunne modderlijn polymerisatiereactor, wordt verstrekt. De methode omvat het leiden van spectroscopische analyse in situ, in real time van één of meerdere reactorconstituenten. De geanalyseerde reactorconstituenten kunnen in de reactor in of de vloeibare fase of de stevige fase, of allebei aanwezig zijn. In antwoord op de gemeten waarden in situ, kunnen één of meerdere reactorconstituenten in de reactor worden gemeten.

 
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