<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The food industry produces large amounts of solid and also liquid wastes. Different waste materials and their mixtures were pyrolysed in the laboratory pyrolysis unit to a final temperature of 800°C with a 10 minute delay at the final temperature. After the pyrolysis process of the selected wastes a mass balance of the resulting products, off-line analysis of the pyrolysis gas and evaluation of solid and liquid products were carried out. The highest concentration of methane, hydrogen and carbon monoxide were analyzed during the 4th gas sampling at a temperature of approx. 720–780°C. The concentration of hydrogen was measured in the range from 22 to 40 vol.%. The resulting iodine numbers of samples CHFO, DS, DSFW reach values that indicate the possibility of using them to produce the so-called “disposable sorbents” in wastewater treatment. The WC condensate can be directed to further processing and upgrading for energy use.</p></abstract>

The food industry produces large amounts of solid and also liquid wastes. Different waste materials and their mixtures were pyrolysed in the laboratory pyrolysis unit to a final temperature of 800°C with a 10 minute delay at the final temperature. After the pyrolysis process of the selected wastes a mass balance of the resulting products, off-line analysis of the pyrolysis gas and evaluation of solid and liquid products were carried out. The highest concentration of methane, hydrogen and carbon monoxide were analyzed during the 4th gas sampling at a temperature of approx. 720–780°C. The concentration of hydrogen was measured in the range from 22 to 40 vol.%. The resulting iodine numbers of samples CHFO, DS, DSFW reach values that indicate the possibility of using them to produce the so-called “disposable sorbents” in wastewater treatment. The WC condensate can be directed to further processing and upgrading for energy use.

Application of pyrolysis process in processing of mixed food wastes

VSB – Technical University of Ostrava, Institute of Environmental Technologies, 17. Listopadu 15/2172, Ostrava – Poruba, 708 33, Czech Republic

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Application of pyrolysis process in processing of mixed food wastes"}

The food industry produces large amounts of solid and also liquid wastes. Different waste materials and their mixtures were pyrolysed in the laboratory...

Application of pyrolysis process in processing of mixed food wastes

Published Online: Apr 04, 2016

Page range: 19 - 23

DOI: https://doi.org/10.1515/pjct-2016-0004

Keywords
pyrolysis, gas chromatography, food waste

© 2016 Barbora Grycová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Application of pyrolysis process in processing of mixed food wastes

Published Online: Apr 04, 2016

Page range: 19 - 23

DOI: https://doi.org/10.1515/pjct-2016-0004

Keywordspyrolysis, gas chromatography, food waste

© 2016 Barbora Grycová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
pyrolysis, gas chromatography, food waste