<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This article presents the results of research into calcareous waste from the production process of oxide propylene. The obtained results show a considerable chemical diversity of calcareous waste with a predominant percentage share of Ca, C and Cl, which are the products of the process. It was shown that the share of calcium bonded in CaCO<sub>3</sub>was over 20%, which is indicative of the secondary carbonisation process taking place in the waste. The morphological and structural analyses revealed that the grains had a surface area above 12% and a percentage porosity in the range of 25-35%. The reactivity test made it possible to classify calcareous waste as a material for sorbents of 'satisfactory' sorption properties, insufficient to be effectively used in the power sector. For the stored waste to be reused, it is necessary to improve its sorption abilities through the application of a properly selected activation method.</p></abstract>

This article presents the results of research into calcareous waste from the production process of oxide propylene. The obtained results show a considerable chemical diversity of calcareous waste with a predominant percentage share of Ca, C and Cl, which are the products of the process. It was shown that the share of calcium bonded in CaCO3was over 20%, which is indicative of the secondary carbonisation process taking place in the waste. The morphological and structural analyses revealed that the grains had a surface area above 12% and a percentage porosity in the range of 25-35%. The reactivity test made it possible to classify calcareous waste as a material for sorbents of 'satisfactory' sorption properties, insufficient to be effectively used in the power sector. For the stored waste to be reused, it is necessary to improve its sorption abilities through the application of a properly selected activation method.

The Characteristics and the Concept of the Utilisation of Post-Production Calcareous Waste Deposited in Landfills

Mineralogia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

This article presents the results of research into calcareous waste from the production process of oxide propylene. The obtained results show a considerable...

The Characteristics and the Concept of the Utilisation of Post-Production Calcareous Waste Deposited in Landfills

Publié en ligne: 01 déc. 2017

Pages: 167 - 179

Reçu: 24 avr. 2017

Accepté: 06 déc. 2017

DOI: https://doi.org/10.1515/mipo-2017-0019

Mots clés
calcareous waste structure, reactivity of calcareous waste, reactivity test

© 2018 Anna Pajdak, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The Characteristics and the Concept of the Utilisation of Post-Production Calcareous Waste Deposited in Landfills

Publié en ligne: 01 déc. 2017

Pages: 167 - 179

Reçu: 24 avr. 2017

Accepté: 06 déc. 2017

DOI: https://doi.org/10.1515/mipo-2017-0019

Mots cléscalcareous waste structure, reactivity of calcareous waste, reactivity test

© 2018 Anna Pajdak, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
calcareous waste structure, reactivity of calcareous waste, reactivity test