This paper presents an experimental kinetic study of propylene polymerization in batch reactor using 4th generation Ziegler-Nata catalysts investigated by means of pressure-drop and constant-pressure dilatometry for obtaining rate data for slurry and bulk phase polymerization. Whereas most industrial polypropylene plants operate in bulk phase polymerization, catalysts behavior identification before implementation in industrial loop reactors is crucial. The discussion focuses on the different catalysts behavior in slurry and bulk phase propylene polymerization, the powders characterization using particle size distribution analysis, scanning electron microscopy. The products were separately characterized with DSC and GPC analysis for crystalline behaviors and molecular weight distributions, all to predict how catalyst performance in slurry phase polymerization can attribute to bulk phase polymerization. The influences of polymerization temperature, pre-contact condition, and prepolymerization method on reaction kinetics were also investigated. The catalyst activity depended on the polymerization phase and a significant decay was obtained in slurry polymerization held on n-heptane in comparison with bulk phase, the morphology and replication between catalyst particles and polymer powders can also find in bulk phase better than slurry. Non-isothermal prepolymerization step improve reaction rates, while the activity with catalyst pre-contacting in low temperature is higher than without pre-contacting.