Труды КНЦ (Технические науки вып.4/2025(16))

CHEMICAL TECHNOLOGIES, MATERIAL SCIENCES, METALLURGY Mokhart M. S., Dormeshkin O. B, Production of technical sodium hexafluorosilicate from Byshyk A. A., Hauryliuk A. N. waste from wet phosphoric acid purification.............................................. 90 Mokhort M. S., Trybush N. A., Obtaining feed and industrial ammonium phosphates Dormeshkin O. B., Gavrilyuk A. N. in the process of complex purification of wetprocess phosphoric acid......................................................................................... 95 Mytsko D. V., Shibeka L. A. Sorption interaction of reed waste with copper ions.................................. 99 Nikolaeva A. D. A method for producing wollastonite for industrial purposes.................... 105 Osadchaya T. Yu., Nikitin K. A., Hydrogenation of carvone on platinum and gold catalysts Smirnov E. P., Salnikova N. V., under pressure............................................................................................. 109 Afineevskii A. V. Petrova S. V., Tokko O. V., Luminescent properties of lithium niobate (LiNbO3:Pr) crystals Smirnov M. V., Kadetova A. V., with a developed defect structure.......................................................... 112 Palatnikov M. N. Kunilova I. V., Pisareva A. A., Preparation of coal combustion ash and slag waste Zenovev I. A. fo r leaching of valuable elements.......................................................... 118 Saburova A. I., Shamsutdinov A. Sh., New approaches to the production of combustion Zamashchikov V. V., Valtsifer I. V. inhibitors with high cooling capacity using Mg(OH ) 2 ......................... 122 Sannikova A. D., Shamsutdinov A. Sh., Development of a highly effective ultrafine powder fire Kondrashova N. B., Zamashchikov V. V., extinguishing agent based on hydrophobic silica nanoparticles............... 127 Valtsifer I. V. Seliverstov E. S., Lebedeva O. E. “Memory effect” of high-entropy layered double hydroxides........... 133 Skuratova E. A., Koroleva E. O., Extraction of non-ferrous metals using ammonium salts of Yurasova O. V., Teresenkov A. V., organophosphorus acids......................................................................... 137 Petrikova N. V. Solodovnikov M. A., Troshkina I. D. Sorption recovery of tantalum from sulfate-fluoride leaching solutions of rhenium-nickel superalloy w aste.................................... 142 Starovojtova V. D., Abarina I. V., Determination of sulfur content in food products Korenkova. N. M. by ICP-AES method................................................................................. 150 Tarasov V. O., Istomina E. I., Formation of titanium-containing sintering layer Istomin P. V., Nadutkin A. V., on SiC particles and C/SiC fibers by molten salt synthesis............. 154 Belyaev I. M., Grass V. E. Timoshenko V. V., Chernyavskiy M. V., Analysis of topological features of three-dimensional Manukovskaya D. V., Kalashnikov A. O., structures using X-pCT images............................................................ 159 Grachyov E. A. Timoshchik O. A., Belogurova E. A., Application of amorphous silica obtained from metallurgical Tyukavkina V. V., Areshina N. S., slags of JSC “Kola MMC” ....................................................................... 163 Kasikov A. G., Kalinkin A. M., Salakhov E. M., Kurbatov E. A. 7