CATALYST FEED SYSTEMS AND METHODS OF THEIR APPLICATION Russian patent published in 2013 - IPC B01J8/00 C08F2/00 

FIELD: process engineering.

SUBSTANCE: invention relates to catalyst feed systems and methods of their application. Catalyst feed systems for olefin polymerisation comprises catalyst feed vessel and heat exchange system to maintain vessel catalytical system temperature of 27°C or lower, is lower that flow critical temperature. Heat exchange system comprises flexible connection intended for coolant feed into vessel jacket. Coolant includes of the following substances: air, liquid nitrogen, liquid carbon dioxide, glycol, water, liquid alkanes, coolants, and mixes thereof. Invention covers also the method of improving fluidity of heterogeneous solid or applied catalytic system in catalyst feed system wherein catalytic system in the form of particles flows through catalyst feed system. Invention covers also the method of olefin polymerisation including sustaining applied catalyst temperature inside vessel, feeding the catalyst into polymerisation reactor and binging catalyst in contact with olefin to produce polyolefin.

EFFECT: improved properties of catalytic system flow.

18 cl, 2 dwg, 2 ex