TY - JOUR
T1 - Research on pyrolysis of PCB waste with TG-FTIR and Py-GC/MS
AU - Quan, Cui
AU - Li, Aimin
AU - Gao, Ningbo
PY - 2012/12
Y1 - 2012/12
N2 - The purpose of this study is to determine the pyrolysis characteristics and gas product properties of printed circuit board (PCB) waste. For this purpose, a combination of Thermogravimetry-Fourier Transform Infrared Spectrum (TG-FTIR) and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) techniques is employed. In the TG-FTIR experiment, a heating rate of 10 °C min -1 and a terminal pyrolysis temperature of 600 10 °C are applied. The thermal decomposition temperature, weight losses, and the temperature trend of evolving gaseous products of PCB waste are investigated. Py-GC/MS is used for the qualitative and semi-quantitative analysis of the higher-molecularweight volatile decomposition products. Associated with the analysis results of TG-FTIR and Py-GC/MS for the volatile products, PCB waste degradation could be subdivided into three stages. The main products in the first stage (<293 10 °C) are H2O, CH4, HBr, CO2 and CH 3COCH3. High-molecularweight organic species, including bromophenols, bisphenol A, p-isopropenyl phenol, phenol, etc., mainly evolve in the second stage. In the last stage, at temperature above 400 10 °C, carbonization and char formation occur. This fundamental study provides a basic insight of PCB waste pyrolysis.
AB - The purpose of this study is to determine the pyrolysis characteristics and gas product properties of printed circuit board (PCB) waste. For this purpose, a combination of Thermogravimetry-Fourier Transform Infrared Spectrum (TG-FTIR) and pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) techniques is employed. In the TG-FTIR experiment, a heating rate of 10 °C min -1 and a terminal pyrolysis temperature of 600 10 °C are applied. The thermal decomposition temperature, weight losses, and the temperature trend of evolving gaseous products of PCB waste are investigated. Py-GC/MS is used for the qualitative and semi-quantitative analysis of the higher-molecularweight volatile decomposition products. Associated with the analysis results of TG-FTIR and Py-GC/MS for the volatile products, PCB waste degradation could be subdivided into three stages. The main products in the first stage (<293 10 °C) are H2O, CH4, HBr, CO2 and CH 3COCH3. High-molecularweight organic species, including bromophenols, bisphenol A, p-isopropenyl phenol, phenol, etc., mainly evolve in the second stage. In the last stage, at temperature above 400 10 °C, carbonization and char formation occur. This fundamental study provides a basic insight of PCB waste pyrolysis.
KW - Printed circuit board waste
KW - Py-GC/MS
KW - Pyrolysis
KW - TG-FTIR
UR - https://www.scopus.com/pages/publications/84870884390
U2 - 10.1007/s10973-011-2048-x
DO - 10.1007/s10973-011-2048-x
M3 - 文章
AN - SCOPUS:84870884390
SN - 1388-6150
VL - 110
SP - 1463
EP - 1470
JO - Journal of Thermal Analysis and Calorimetry
JF - Journal of Thermal Analysis and Calorimetry
IS - 3
ER -