The Iran Chemical Industries Investment Co . Is the first and exclusive manufacturer of linear alkylbenzene ( LAB ) , Normal Paraffin & Heavy alkylate ( HAB) as a by product in Iran . The construction of the isfahan LAB complex located in central Iran started in 1991 and the precommisioning and start up activities were commenced in 1994 . The manufacturing process is based on the uop's HF catalyzed alkylation technology . Consideration the plant revamping project , the main obj...