This unit is divided into two main sections: polymerization and granulation. First, the catalyst is prepared in the catalyst preparation section and then, along with the feedstock (ethylene, hydrogen, butene) and hexane (serving as the reaction medium), it is fed into the polymerization area and reactors. The polymerization reaction takes place in the first two reactors, either in parallel or in series, depending on the desired grade.

In the polymerization process, ethylene is used as the monomer, butene-1 as the comonomer to adjust density, hydrogen to control molecular weight or chain length, and TEAL to activate the catalyst. After passing through the first and second reactors, the suspension stream (solid polymer particles suspended in hexane) enters the third reactor for final reactions, reaching a conversion rate of approximately 99% at the outlet.

Next, hexane is separated from the polymer powder using centrifuges and sent to the distillation section for purification and reuse. The wet powder (cake) from the centrifuges is sent to a fluidized bed dryer for drying and then transferred via the powder conveying system to the extrusion section for granulation.

In the extrusion section, depending on the product application and after the required additives are mixed in, the polymer powder is converted into polyethylene granules using extruder machines. This section, equipped with two separate extrusion lines, has the capability to produce granules in a variety of colors.