Abstract
Automobile shredder residue (ASR) pyrolysis produces solid, liquid, and gaseous products, particularly pyrolysis oil and gas, which could be used as renewable alternative energy resources. Due to the primary pyrolysis reaction not being complete, the yield of gaseous product is low. The pyrolysis tar comprises chemically unstable volatiles before condensing into liquid. Understanding the characteristics of volatile products will aid the design and improvement of subsequent processes. In order to accurately analyze the chemical characteristics and yields of volatile products of ASR primary pyrolysis, TG–FTIR–GC/MS analysis technology was used. According to the analysis results of the Gram–Schmidt profiles, the 3D stack plots, and GC/MS chromatograms of MixASR, ASR, and its main components, the major pyrolytic products of ASR included alkanes, olefins, and alcohols, and both had dense and indistinguishable weak peaks in the wavenumber range of 1900–1400 cm−1. Many of these products have unstable or weaker chemical bonds, such as =CH–, =CH2, –C=C–, and –C=CH2. Hence, more syngas with higher heating values can be obtained with further catalytic pyrolysis gasification, steam gasification, or higher temperature pyrolysis.
Highlights
The dismantling and recycling of end-of-life vehicles (ELVs) is an important way to save resources and realize sustainable development and bears huge social and environmental responsibility
We studied the pyrolytic product yields and characterizations of gaseous products (H2, CO, CO2, CH4, C2 H4, C2 H6, C3 H6 and C3 H8 ), which were analyzed in laboratory-scale non-isothermal pyrolysis experiments at finished temperatures of
The TG–Fourier transform infrared spectrometry (FTIR)–gas chromatography–mass spectrometry (GC/MS) coupling technique is widely used in the analysis of organic pyrolysis behaviors
Summary
The dismantling and recycling of end-of-life vehicles (ELVs) is an important way to save resources and realize sustainable development and bears huge social and environmental responsibility. Organic components account for about 60–85% of ASR [9,10], for which thermal conversion technology represents a viable resource recovery process. Pyrolysis and gasification have gradually become the main means to dispose of ASR, since they can reduce the volume and quality of landfill with lower cost, while energy recovery can be carried out simultaneously [11,12,13]. ASR pyrolysis produces solid, liquid, and gaseous products, pyrolysis oil and gas, which could be used as renewable alternative energy resources
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
