Low–Temperature and Semi–Batch Production of Liquid Fuel Comparable to Commercial Grade Diesel by Portland Cement – Catalyzed Pyrolysis of Waste Polypropylene
American Journal of Applied and Industrial Chemistry
Volume 4, Issue 2, December 2020, Pages: 14-20
Received: Sep. 9, 2020;
Accepted: Sep. 24, 2020;
Published: Oct. 7, 2020
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Niyazi Al–Areqi, Department of Chemistry, Faculty of Applied Science, Taiz University, Taiz, Yemen
Elyas Alaghbari, Department of Chemistry, Faculty of Applied Science, Taiz University, Taiz, Yemen
Ahlam Al–Alas, Department of Chemistry, Faculty of Applied Science, Taiz University, Taiz, Yemen
Omar Saeed, Department of Industrial Chemistry, Faculty of Applied Science, Taiz University, Taiz, Yemen
Hussein Mufadhal, Department of Industrial Chemistry, Faculty of Applied Science, Taiz University, Taiz, Yemen
Adeeb Al-Hatemi, Department of Industrial Chemistry, Faculty of Applied Science, Taiz University, Taiz, Yemen
The increased demand and consumption of virgin plastics have led in parallel to growing waste plastics disposed in landfills causing serious hazards towards the environment. In the present study, a Portland cement (PC) was used for the first time as very cheap and commercially available catalyst for the low– temperature pyrolysis of waste polypropylene (WPP) to diesel range pyrolytic oil, utilizing a single – stage semi–batch reactor designed well at appropriate pyrolyzer / catalytic reformer ratio. The thermal decomposition of WPP was studied using a thermogravimetric analysis (TGA). The liquid fuels produced by both catalytic and non– catalytic pyrolysis of WPP at 280°C were investigated by means of gas chromatography – mass spectrometry (GC–MS), Infrared (IR) spectroscopy, and physic–chemical properties of fuels. The PC–catalyzed pyrolysis resulted in remarkably increased liquid and gaseous products, and reduced char yield. Moreover, it significantly prevented the wax production. The results obtained in this work prove that the liquid fuel produced by the PC– catalyzed pyrolysis has nearly similar hydrocarbon composition and functional properties of the commercial grade diesel.
Low–Temperature and Semi–Batch Production of Liquid Fuel Comparable to Commercial Grade Diesel by Portland Cement – Catalyzed Pyrolysis of Waste Polypropylene, American Journal of Applied and Industrial Chemistry.
Vol. 4, No. 2,
2020, pp. 14-20.
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