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Impact of ferrocyanide salts on the thermo-oxidative degradation of lignocellulosic sorbents
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology. KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.ORCID iD: 0000-0002-2900-4713
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2017 (English)In: Journal of thermal analysis and calorimetry (Print), ISSN 1388-6150, E-ISSN 1588-2926, Vol. 128, no 2, 1019-1025 p.Article in journal (Refereed) Published
Abstract [en]

The catalytic effect of ferrocyanide salts of d-metals on the thermo-oxidative degradation of lignocellulose-inorganic sorbents derived from apricot seed shells was investigated by differential thermal analysis. A comparative analysis of the thermal characteristics of the apricot seed shells and the lignocellulose matrix obtained from the shells by alkali-acid pretreatment was performed. It was shown that acid-alkali pretreatment of the apricot seed shells increases the thermal stability of the lignocellulosic material, due to the removal of low molecular weight carbohydrates and other components. The thermal degradation process of the lignocellulose-inorganic samples containing different ferrocyanides occurred at lower temperatures than the initial lignocellulose matrix, indicating the catalytic activity of modifiers. It was demonstrated that for the sorbents containing mixed salts of potassium cobalt and potassium nickel ferrocyanide, thermal destruction ends at temperatures that are 60 A degrees C lower than those for the initial lignocellulose matrix. The obtained results also show that the thermal destruction of composite lignocellulose-inorganic sorbents can be a suitable method for their disposal.

Place, publisher, year, edition, pages
Springer, 2017. Vol. 128, no 2, 1019-1025 p.
Keyword [en]
Apricot seed shells, Lignocellulosic sorbents, Modification, Ferrocyanides of d-metals, Dehydration, Thermal degradation
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-208242DOI: 10.1007/s10973-016-5984-7ISI: 000399242400039Scopus ID: 2-s2.0-85000838139OAI: oai:DiVA.org:kth-208242DiVA: diva2:1115777
Funder
EU, FP7, Seventh Framework Programme, PIRSES-GA-2011-295260
Note

QC 20170627

Available from: 2017-06-27 Created: 2017-06-27 Last updated: 2017-06-27Bibliographically approved

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Sevastyanova, OlenaLindström, Mikael E.
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