Experimental Investigation on Optimisation of Parameters of Thermo-Catalytic Cracking Process for H.D.P.E. & P.P. Mixed Plastic Waste with Synthesized Alumina-Silica Catalysts

Abstract:

The evolution of mankind from Paleolithic Era to the current big Era Nine has also found versatile applications of various plastic polymers owing to some desirable properties like mechanical strength, poor electrical and thermal conductivities and as a result, subsequent generation of its wastes are thriving up. Basically plastic polymers are synthetic organic matter containing hydrocarbons having high potency for thermal decomposition for producing alternate fuel. Thermo-Catalytic reaction process of high-density polyethylene (H.D.P.E.) & polypropylene (P.P.) mixed waste is investigated by using fly ash-derived silica–alumina catalysts and bentonite clay powder. The aim of the work is to find the optimum parameters of the process with locally processed catalysts in terms of their degradation temperature and yield. The thermal degradation of H.D.P.E. & P.P. mixed waste in the presence of catalysts is done with pyrolytic environment in a pilot scale stainless steel reactor with the continuous rated supply of nitrogen and L.P.G. heating. The process parameters are measured with thermocouples, flow control devices. Fly ash and bentonite are synthesised in a lab scale and used as catalysts. A series of pyrolytic experiments are conducted with the synthesised catalysts and commercial catalyst Zeolite-Y Hydrogen to demonstrate the optimum operating parameters on yield of mixed waste H.D.P.E. & P.P. derived hydrocarbon oil.

• Periodical: Applied Mechanics and Materials (Volumes 592-594)
• Pages: 307-311
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.592-594.307
• Online since: July 2014
• Authors: K.S. Narayanan*, R.B. Anand
• Keywords: Alumina-Silicate, Cation Exchange, H.D.P.E. & P.P. Derived Hydrocarbon Oil, H₂SO₄ Activation, NaOH Fusion, Thermo Catalytic Pyrolysis

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