Abstract: Processes for making and using slurry catalyst mixtures. In some embodiments, the process for making the slurry catalyst mixture can include introducing a mineral oil into a vessel. The mineral oil can be heated to a temperature of about 60° C. to about 80° C. to produce a heated mineral oil. A moisture concentration of the heated mineral oil can be reduced to produce a dried mineral oil. Catalyst particles can be introduced into the dried mineral oil to produce a mixture. The mixture can be agitated for at least 2 hours to remove at least a portion of any gas present within pores of the catalyst particles to produce the slurry catalyst mixture. The slurry catalyst mixture can be free of or include ?1 wt % of any wax having a melting point, at atmospheric pressure, of ?25° C., based on a total weight of the slurry catalyst mixture.

Abstract: Embodiments of the present invention relate to measuring and controlling static in a gas phase reactor polymerization. In particular, embodiments relate to monitoring carryover static in an entrainment zone during gas phase polymerization to determine the onset of reactor discontinuity events such as chunking and sheeting. Embodiments also relate to monitoring carryover static to determine the need for effective additions of continuity additives that minimize reactor static activity and thereby preventing discontinuity events.