Ageela Mohammed Emhemmed, Ali Abdalhafid yousef ,Azgeir Mohammed Azgeir2018-08-082018-08-082018https://repository.sebhau.edu.ly/handle/1/1036Butene is an organic material derived from the modifying of natural gas or from the cracking of crude oil into other components like naphtha. Under the changes in conditions of temperature, pressure and catalysis in the polyethylene process, the presence of this material may play an importance role in polyethylene final product. In this work the purification of butene material and its application via the chemical reaction with other additives has been discussed in producing polyethylene. Clear information has been given related to the purification of butene to use in the polyethylene process. In addition, some calculations on the material and energy balances were evaluated in this work. The process control on the polymerization unit has been presented to understand the instruments to monitor the key process variables during plant operationenOther