Variously Prepared Zeolite Y as a Modifier of ANFO

Kuterasiński, Łukasz; Wojtkiewicz, Agnieszka M.; Sadowska, Marta; Żeliszewska, Paulina; Napruszewska, Bogna D.; Zimowska, Małgorzata; Pytlik, Mateusz; Biessikirski, A.

doi:10.3390/ma15175855

Cited by 6 publications

(3 citation statements)

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“…The influence of AN prills (Biessikirski et al, 2020;Buczkowski & Zygmunt, 2011;Fabin & Jarosz, 2021;Miyake et al, 2001;Zygmunt & Buczkowski, 2007), the density and charge diameter (Catanach & Hill, 2003) the way of initiation (Bohanek et al, 2013;Žganec et al, 2016) and the charge temperature (Dobrilović et al, 2014) on the detonation parameters have been reported. Some authors have tried to improve the detonation properties of ANFO by adding aluminium (Maranda et al, 2011;Zygmunt, 2009) charcoal (Atlagic et al, 2020), carbon black (Izato et al, 2013), zeolite, and others (Kuterasiński et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Influence of Confining Materials on Detonation Parameters of Anfo Explosive

Bohanek,

Sućeska,

Dobrilović

et al. 2024

MGPB

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Due to the low manufacturing cost and ease of handling, ammonium nitrate-fuel oil (ANFO) is one of the most popular mining explosives. ANFO explosive is a typical representative of non-ideal explosives, which means that its detonation properties are strongly dependent on the charge diameter and the existence and properties of the confinement. In this work, the effect of different confining materials on the detonation properties of ANFO explosive is studied experimentally, and by hydrocode simulation by varying charge diameter, and the type and thickness of the confining materials. The results show that, along with the diameter of the charge, density and thickness of the confining material have a key impact on the detonation properties. An empirical confinement model, applicable in the range 0.3 < mC/mE < 15, is proposed. The model enables the estimation of detonation velocity of confined ANFO charges with a mean absolute percentage error (MAPE) of 14.25%.

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Section: Introductionmentioning

confidence: 99%

Influence of Confining Materials on Detonation Parameters of Anfo Explosive

Bohanek,

Sućeska,

Dobrilović

et al. 2024

MGPB

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“…Kuterasi ński et al researched the potential addition of zeolite Y type to the ANFO. One of his evaluated factors was fumes derived from the detonation of nonideal explosives [21]. Bhattacharyya investigated the influence of packaging on the NO 2 and CO of semi-gel nitroglycerine-based explosives.…”

Section: Introductionmentioning

confidence: 99%

Composition of Fumes and Its Influence on the General Toxicity and Applicability of Mining Explosives

Biessikirski,

Dworzak,

Twardosz

2023

Mining

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The admissible concentrations of toxic fumes, which appear after blasting works in open pits and underground mine excavations, are presented in this paper. Fumes were examined according to the national standard, which was designed according to European regulations. Fumes that are taken under consideration according to the European standard are carbon monoxide (CO) and nitrate oxides (NOx). The afterburning effect was not included. Analysis showed inconclusive results of possible explosive applicability in countries that are applying the general toxicity index (toxicity coefficient may vary between countries from 5 to 10) instead of the recommended European regulation. Based on the obtained results, it was concluded that the most environmentally friendly explosives are emulsion explosives. Moreover, the ammonium nitrate prill diameter has not significantly affected the fumes’ concentration; however, it significantly influences the velocity of detonation.

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“…dynamon K (mixture with easily oxidized combustible substances, e.g. : 90% AN, 10% wood flour, ANNM (Ammonium Nitrate − NitroMethane) and ammonals (explosive mixtures consisting of TNT, AN and aluminum powder) [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Thermal Stability of Ammonium Nitrate in Two-Component Mixtures with Powdered and Fine-Grained Materials

DYSZ

2023

Quality Production Improvement and System Safety

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Abstract. Ammonium nitrate(V) (AN, NH4NO3) is widely and widely used in the chemical industry, in agriculture as a fertilizer, explosive for military and civil purposes (e.g. in mining) or as a solid propellant [1, 2]. Storage of ammonium nitrate poses many problems, as it may be hazardous. This was proven, for example, by the explosion in 2020 in Beirut. Ammonium nitrate was stored in a warehouse at the port among other wares and an unfortunate turn of events caused a huge explosion. The explosion contributed to the formation of a 140-meter crater and an earthquake with a magnitude of 3.3 on the Richter scale. This explosion was classified as the third most destructive urban explosion of all time, after the atomic bombs in Hiroshima and Nagasaki at the end of World War II [3, 4], as the mixtures of oils (fuel or gas) and a concentrated form of nitrogen fertilizer  ammonium nitrate form explosives [5]. The dangerous properties of AN have been extensively studied. It is known that pure AN is stable at room temperature but may explode when mixed with impurities in a confined space or under fire-hazard conditions [1]. The research aimed to analyze the changes occurring in two-component mixtures with ammonium nitrate and powdered or fine-grained materials and to assess the effect of such an admixture on the fertilizer. Thermal analysis was used to carry out the TG-DSC tests.

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Variously Prepared Zeolite Y as a Modifier of ANFO

Cited by 6 publications

References 50 publications

Influence of Confining Materials on Detonation Parameters of Anfo Explosive

Influence of Confining Materials on Detonation Parameters of Anfo Explosive

Composition of Fumes and Its Influence on the General Toxicity and Applicability of Mining Explosives

Thermal Stability of Ammonium Nitrate in Two-Component Mixtures with Powdered and Fine-Grained Materials

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