Thermogravimetric
investigation ofwastes from electrical and electronic equipment (WEEE) |
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| Authors: | E Kowalska J Radomska P Konarski R Diduszko J Oszczudłowski T Opalińska M Więch Z Duszyc |
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| Institution: | (1) Industrial Institute of Electronics, Warsaw, Poland, 00-241, Długa 44/50 Street;(2) Institute of ElectronicMaterials Technology, Warsaw, Poland, 01-919, Wólczyńska 133 Sreet;(3) Institute of Chemistry, Świętokrzyska Academy, Kielce, Poland, 25-020, Chęcińska 5 Street;(4) Institute of Mechanized Construction and Rock Mining, Center ofWastes Management, Katowice, Poland, 40-844, Kossutha 6 Street |
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| Abstract: | Two components
of electronic wastes (sample A – a mixture of three types of printed
circuit boards, sample B – a mixture of electronic junctions with metal
wires) were investigated using thermogravimetric analysis (TG). Thermogravimetric
and derivative thermogravimetric data (TG and DTG) give information on the
thermal stability of A and B samples and allows finding the correct conditions
for their degradation using pyrolysis in an experimental system, built on
the laboratory scale for utilization of hazardous wastes. X-ray fluorescence
measurements prove that brominated flame retardant is present in sample A,
whilst chlorinated flame retardant is a probable component of sample B. Preliminary
liquid chromatography of oil products obtained as a result of thermal waste
degradation shows that the hydrocarbons released during pyrolysis could be
used as a fuel. |
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| Keywords: | electronic waste printed circuit boards pyrolysis thermal treatment |
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