Patent ID: 7014821
Filing Date: 2006-03-21
Classification: B01J,C08F

Abstract:
1. A loop reactor apparatus comprising: a plurality of major segments; a plurality of minor segments; wherein each of the major segments is connected at a first end to one of the minor segments, and is connected at a second end to another of the minor segments, such that the major and minor segments form a continuous flow path adapted to convey a fluid slurry; at least two pumps for imparting motive force to the fluid slurry within the reactor, each pump operably connected to an impeller disposed in the continuous flow path; wherein two of the impellers face each other and rotate in opposite directions and the two impellers are spaced sufficiently close so that one of the impellers benefits from the rotational energy of the other of the impellers; means for introducing an olefin monomer into the continuous flow path; means for introducing a diluent into the continuous flow path; means for introducing a polymerization catalyst into the continuous flow path; and means for removing a portion of a fluid slurry from the continuous flow path.