In this work, mixtures of vacuum gas oil and low density polyethylene, a major component of common industrial and consumer household plastics, were pyrolytically co-processed in afluid catalytic cracking (FCC) riserreactor as a viable alternative for the energy and petrochemical revalorisation of plastic wastes into valuablepetrochemical feedstocks and fuel within an existing industrial technology. Using equilibrium FCC catalyst,the oil–polymer blends were catalytically cracked at different processing conditions of temperatures between 773 K and 973 K and catalyst feed ratios of 5:1, 7:1 and 10:1. The influence of each of these processingparameters on the cracking gas and liquid yield patterns were studied and presented. Further analysed andpresented are the different compositional distributions of the obtained liquids and gaseous products. Theanalysis of the results obtained revealed that with very little modifications to existing process superstructure,yields and compositional distributions of products from thefluid catalytic cracking of the oil–polymer blendin many cases were very similar to those of the processed oil feedstock, bringing to manifest the viability ofthe feedstock co-processing without significant detriments to FCC product yields and quality
đang được dịch, vui lòng đợi..