References

catal

Катализ в промышленности

Kataliz v promyshlennosti

1816-03872413-6476

LLC "KALVIS"

10.18412/1816-0387-2025-1-34-49

catal-1111

Research Article

КАТАЛИЗ В ХИМИЧЕСКОЙ И НЕФТЕХИМИЧЕСКОЙ ПРОМЫШЛЕННОСТИ

CATALYSIS IN CHEMICAL AND PETROCHEMICAL INDUSTRY

Нестационарные циклические технологии разложения сероводорода на водород и серу

Existing and Promising Technologies for Hydrogen Sulfide Decomposition into Hydrogen and Sulfur

Загоруйко

А. Н.

Zagoruiko

A. N.

ctls@kalvis.ru

Кондрашев

Д. О.

Kondrashev

D. O.

ctls@kalvis.ru

Попов

М. В.

Popov

M. V.

ctls@kalvis.ru

Клейменов

А. В.

Kleymenov

A. V.

ctls@kalvis.ru

Институт катализа СО РАН, НовосибирскРоссияBoreskov Institute of Catalysis SB RAS, NovosibirskRussian Federation

Уфимский государственный нефтяной технический университет, УфаРоссияUfa State Petroleum Technological UniversityRussian Federation

Российский химико-технологический университет, МоскваРоссияRussian University of Chemical Technology, MoscowRussian Federation

ПАО «Газпром нефть», Санкт-ПетербургРоссияJSC Gazprom Neft, St. PetersburgRussian Federation

2025

22012025

2513449

2025

LLC "KALVIS"

https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNotice

https://www.catalysis-kalvis.ru/jour/article/view/1111

Сероводород является весьма привлекательным сырьем для производства водорода. Энергия диссоциации H2S (21 кДж/моль при комнатной температуре) намного ниже, чем у воды (286 кДж/моль) или даже углеводородов (76 кДж/моль для метана); более того, энергия связи водорода в молекуле H2S имеет наименьшее значение среди всех природных соединений водорода. Тем не менее, сероводород на сегодняшний день так и не нашел широкого промышленного применения в качестве сырья для производства водорода. Главным препятствием на пути создания эффективной технологии для этой цели являются весьма жесткие термодинамические ограничения реакции разложения сероводорода на элементы: H2S ↔ S + Н2 – Q. Настоящий обзор посвящен анализу известных подходов к получению водорода и серы из сероводорода, их недостатков, обуславливающих неуспех предложенных ранее технологий, а также пути возможного создания эффективных процессов для этой цели. В обзоре сделан особый фокус на нестационарных циклических процессах, которые можно считать одним из наиболее перспективных путей для создания эффективной технологии разложения H2S.

Hydrogen sulfide is a very attractive raw material for the production of hydrogen. The dissociation energy of H2S (21 kJ/mol at room temperature) is much lower than that of water (286 kJ/mol) or even hydrocarbons (76 kJ/mol for methane); moreover, the hydrogen bond energy in the H2S molecule is the lowest among all natural hydrogen compounds.

However, hydrogen sulfide has not yet found widespread industrial use as a raw material for hydrogen production. The main obstacle to the creation of an effective technology for this purpose is the very strict thermodynamic limitations of the reaction of hydrogen sulfide decomposition into elements H2S Û S + Н2 – Q.

This review is devoted to the analysis of the known approaches to the production of hydrogen and sulfur from hydrogen sulfide, their shortcomings that cause the failure of the previously proposed technologies, as well as the ways of possible creation of effective processes for this purpose. The review focuses on non-stationary cyclic processes, which can be considered one of the most promising ways to create an effective H2S decomposition technology.

роводородразложениесераводородхемосорбциясульфидный цикл

hydrogensulfurcatalystchemisorbentdecomposition

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