BTEX EMISSIONS FROM BioCo2 BONDED MOULDING SANDS
DOI:
https://doi.org/10.7494/mafe.2013.39.1.23Keywords:
moulding sands, polymer binders, gas emissions, gas chromatographyAbstract
The aim of the research was to determine the volume of BTEX emission (benzene, toluene, ethylbenzene and xylenes) from BioCo2 bonded moulding sands. BioCo2, a new polymer binder, is a water solution of two - component polymer composition
(polyacrylic acid and dextrin).
Research on gas emissions were performed according to the method developed at Faculty of Foundry Engineering, AGH University of Science and Technology. The measurement
of BTEX samples adsorbed on activated carbon was made with the use of gas chromatography (GC-FID) and was followed by a qualitative and quantitative analysis. The research showed that the volume of BTEX emissions was lower in BioCo2 bonded moulding sand than in resin-bonded sand Kaltharz U404.
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