Selected magnesium compounds as possible inhibitors of ammonium nitrate decomposition

• Autorzy: Hoffmann Józef , Kaniewski Maciej , Nieweś Dominik , Hoffmann Krystyna

Identyfikatory

DOI

10.2478/pjct-2020-0011

• Języki publikacji: EN

Abstrakty

EN

Ammonium nitrate (AN) is considered to be a very hazardous and difficult to handle component of mineral fertilizers. Differential thermal analysis coupled with thermogravimetry and mass spectrometry was used to determine the possible inhibiting effect of selected magnesium compounds on thermal decomposition of AN. Each additive was mixed with AN to create samples with AN:magnesium compound mass ratios of 4:1, 9:1 and 49:1. Most of analyzed compounds enhanced thermal stability of ammonium nitrate, increasing the temperature of the beginning of exothermic decomposition and decreasing the amount of generated heat. Magnesium chloride hexahydrate was determined to accelerate the decomposition of AN while magnesium sulphate, sulphate heptahydrate, nitrate hexahydrate together with magnesite and dolomite minerals were defi ned as inhibiting agents.

Słowa kluczowe

EN

ammonium nitrate; thermal analysis; magnesium compounds; exothermic decomposition; phase transition

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2020
• Tom: Vol. 22, nr 2
• Strony: 1--8
• Opis fizyczny: Bibliogr. 29 poz., rys., tab.

Twórcy

autor

Hoffmann Józef

• Wrocław University of Science and Technology, Department of Technology and Chemical Processes, Smoluchowskiego 25, 50-372 Wrocław, Poland

autor

Kaniewski Maciej

• Wrocław University of Science and Technology, Department of Technology and Chemical Processes, Smoluchowskiego 25, 50-372 Wrocław, Poland

autor

Nieweś Dominik

• Wrocław University of Science and Technology, Department of Technology and Chemical Processes, Smoluchowskiego 25, 50-372 Wrocław, Poland

autor

Hoffmann Krystyna

• Wrocław University of Science and Technology, Department of Technology and Chemical Processes, Smoluchowskiego 25, 50-372 Wrocław, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).