00559naa#a2200193#i#4500001001600000005001700016011001400033100004100047102000700088200009900095210006600194215001000260608002700270700000600297700001900303700002000322700000600342856001700348EN\\bibl\12557420260619215305.5##a3034-4689##a20260601b2026####ek#y0engy0150####ca##aRU1#aIMPROVING THE PERFORMANCE OF THE VORTEX COLUMN CONCENTRATION OF SULFURIC ACIDeJournal article1#aKazancKazan National Research Technological Universityd2026##a4 с.##aJournal article2local#1g #1aSabirovgI. M.#1aFazullingR. H.#1g 4#avestniktu.ru