Physico-сhemical nanomaterials science
Technology and the main technological equipment of the process to obtain N4HNO3 with nanoporous structure 
A.E. Artyukhov, N.O. Artyukhova
Processes and Equipment of Chemical and Petroleum Refinery Department, 
Sumy State University, Rymskogo-Korsakova str., 2, Sumy-40007, Ukraine. 
E-mail: a.artyukhov@pohnp.sumdu.edu.ua

The main component of an industrial explosive ammonium nitrate/fuel oil (ANFO) – porous ammonium nitrate (PAN), must possess special properties in order successfully to carry out explosive works while mining operations. These properties let successfully to absorb diesel distillate and stably to keep it while transporting and long-term storage [1,2]. Quantitative and qualitative parameters in the nanoporous structure of the granule surface and its inner layers have direct influence on PAN retentivity and absorptivity [3]. The above parameters depend on number of nanopores, pores classification by size (nanosized, micro-, meso- and macropores), form and depth of nanopores. It is necessary to select rationally hydro- and thermodynamic parameters of equipment for granules humidification (modification) and dehydration in order successfully to form pores with various properties on the surface of the PAN granule and inside it.
This study demonstrates results of PAN obtaining technology investigation and basic technological equipment of the main stages of this technology. It should be mentioned that such method is developed for the first time and does not have analogs at the national level.
The developed technology introduction results provide standard indicators of the PAN quality. Experimental samples of PAN were successfully tested under experimental and industrial conditions; therefore explosive properties of ANFO, based on the obtained PAN, are of standard.

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3.	Artyukhov A.E., Sklabinskyi V.I. Thermodynamic conditions for obtaining 3D nanostructured porous surface layer on the granules of ammonium nitrate // Journal of Nano- and Electronic Physics. – 2016.– 8,No. 4. –P. 04083-1-04083-5.