References

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Альтернативная энергетика и экология (ISJAEE)

Alternative Energy and Ecology (ISJAEE)

1608-8298

Международный издательский дом научной периодики "Спейс

10.15518/isjaee.2026.06.149-178

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Research Article

XIV. КАТАЛИЗ В АЭЭ 34. Катализ 34-5-0-0 Катализ в процессах получения синтез-газов и водорода

XIV. CATALYSIS FOR AEE 34. Catalysis for renewable energy 34-5-0-0 Catalysis in processes of production of synthesis gas and hydrogen

Устойчивое извлечение высокочистого ванадия из отработанных ванадиевых катализаторов для применения в водородной энергетике

Sustainable Recovery of High-Purity Vanadium from Spent Vanadium Catalysts for Hydrogen Energy Applications

https://orcid.org/0009-0009-2386-3101

Дадаходжаев

А. Т.

Dadakhodzhaev

A. T.

Дадаходжаев Абдулла Турсунович, факультет нефти и газа, профессор кафедры «Экология и охрана окружающей среды», доктор технических наук

100095, г. Ташкент, ул. Университетская, д. 2

Dadakhodzhaev Abdulla Tursunovich, aculty of Oil and Gas, Department of Ecology and Environmental Protection, Professor, Doctor of Technical Sciences

100095, Tashkent, Universitetskaya St., 2

Каримов

А. К.

Karimov

A. K.

Каримов Азимжон Кадирович, соискатель степени кандидата технических наук

100095, г. Ташкент, ул. Университетская, д. 2

Karimov Azimjon Kadirovich, Applicant for the Candidate of Technical Sciences degree

100095, Tashkent, Universitetskaya St., 2

https://orcid.org/0009-0007-3025-2152

Эшмухамедов

М. А.

Eshmukhamedov

M. A.

Эшмухамедов Мурод Азимович, факультет нефти и газа, профессор кафедры «Технологии в нефтегазовой химической промышленности», кандидат технических наук

+998 93 599 03 65

100095, г. Ташкент, ул. Университетская, д. 2

Eshmukhamedov Murod Azimovich, Faculty of Oil and Gas, Department of Petrochemical Technology, Professor, Candidate of Technical Sciences

+998 93 599 03 65

100095, Tashkent, Universitetskaya St., 2

murod.eshmukhamedov@tdtu.uz

Ташкентский государственный технический университетУзбекистанТashkent State Technical UniversityUzbekistan

2026

08092026

06149178

2026

Международный издательский дом научной периодики "Спейс

https://www.isjaee.com/jour/about/submissions#copyrightNotice

https://www.isjaee.com/jour/article/view/2832

В статье приведены результаты исследований по переработке отработанных ванадийсодержащих катализаторов с извлечением пентаоксида ванадия и других соединений ванадия, носителя на основе четырехзамещенного кремния, позволяющего локализовать извлечение ванадиевых катализаторов для производства серной кислоты из вторичного сырья, а также предупредить загрязнение окружающей среды токсичными соединениями ванадия.Проведен элементный анализ состава отработанных ванадиевых катализаторов (ОВК) и ИК-спектроскопические исследования твердого остатка, а также определен качественный и количественный фазовый состав продукта выщелачивания, полученного методом высаливания (определялся методом порошкового дифракционного анализа на дифрактометре).Показано, что при использовании перекиси водорода в качестве окислителя, выщелачивание при более высокой температуре обладает преимуществами.Установлено, что переработкой отработанных ванадийсодержащих катализаторов гидрометаллургическим способом раствором серной кислоты можно извлекать в раствор более 90 % ванадия и получить пятиокись ванадия высокой чистоты, пригодной для приготовления ванадиевого катализатора для получения водорода термохимическим разложением воды.

The article presents the results of research on the processing of spent vanadium-containing catalysts with the extraction of vanadium pentoxide and other vanadium compounds, a support based on tetrasubstituted silicon, which allows for the localization of the production of vanadium catalysts for the production of sulfuric acid from secondary raw materials, and also prevents environmental pollution with toxic vanadium compounds.An elemental analysis of the composition of spent vanadium catalysts and IR spectroscopic studies of the solid residue were carried out, and the qualitative and quantitative phase composition of the leaching product obtained by the salting-out method was determined using powder diffraction analysis on a diffractometer.It has been shown that when using hydrogen peroxide as an oxidizing agent, leaching at higher temperatures has advantages.It has been established that by processing spent vanadium-containing catalysts by a hydrometallurgical method with a sulfuric acid solution, it is possible to extract more than 90% of vanadium into the solution and obtain high-purity vanadium pentoxide suitable for the preparation of a vanadium catalyst for producing hydrogen by thermochemical decomposition of water.

отработанные ванадиевые катализаторыгидрометаллургическое извлечениепентаоксид ванадиявысокочистый ванадийсернокислотное выщелачиваниепероксид водородатермохимическое разложение водыводородная энергетикавторичное сырьёрециклинг катализаторов

spent vanadium catalystshydrometallurgical recoveryvanadium pentoxidehigh-purity vanadiumsulfuric acid leachinghydrogen peroxidethermochemical water splittinghydrogen energysecondary raw materialscatalyst recycling

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The authors declare that there are no conflicts of interest present.