Metody usuwania siarkowodoru z gazów procesowych

• Autorzy: Suwak Mikołaj , Kleszcz Tadeusz

Warianty tytułu

EN

Review of the hydrogen sulfide removal methods

• Języki publikacji: PL

Abstrakty

PL

Artykuł stanowi przegląd najczęściej stosowanych metod utylizacji siarkowodoru z gazów przemysłowych. W pracy skupiono się przede wszystkim na postępach w zakresie katalitycznego utleniania H2S oraz jego adsorpcji. Dane odnośnie współcześnie otrzymywanych katalizatorów oraz adsorbentów zostały omówione przez autorów oraz zestawione w tabelach.

EN

The issue of utilization of hydrogen sulfide and the reduction of its emissions is a key issue and results from its extraordinary toxicity to both humans and the environment. Due to the strong corrosive properties of H2S, its removal is necessary in every industrial process in which it is present. As the most significant desulfurizing process is considered the Claus process. It is the most widely used method and it is estimated that around 90 - 95% of all recovered sulfur in the world comes from this process. However, the Clauss plant outlet gas typically contains 3 to 5% H2S, so further processes are still required to reduce the hydrogen sulfide concentration to regulations-acceptable levels. This is usually done by catalytic hydrogen sulfide oxidation. Alumina is used as the most common catalyst. Contemporary research in this area focuses on modifying the hierarchical pore structure of Al2O3 and testing obtained alumina as a carrier for active ingredients such as metals and metal oxides. An interesting solution proposed by modern researchers may also be the use of silicon and titanium oxides as carriers for vanadium oxide. An alternative solution to the catalytic combustion of hydrogen sulfide is chemisorption. Theoretically, chemisorption allows the achievement of much lower concentrations of hydrogen sulfide at lower operating costs. The most popular adsorbents include zeolites and activated carbons. Modern research in this field consists in obtaining composite materials based on zeolites or activated carbons. This is usually done by impregnating said materials with metal/metal oxides. It is worth noting that in the case of activated carbons, the interest of scientists also includes obtaining activated carbons from the most ecological materials, such as biomass. Given the growing interest in green materials in general, interest in biochars can be expected to increase in the future.

Słowa kluczowe

PL

siarkowodór; utylizacja siarkowodoru; katalityczne utlenianie siarkowodoru

EN

hydrogen sulfide; utilization of hydrogen sulfide; catalytic oxidation of hydrogen sulfide

• Wydawca: Instytut Inżynierii Chemicznej Polskiej Akademii Nauk
• Czasopismo: Prace Naukowe Instytutu Inżynierii Chemicznej Polskiej Akademii Nauk
• Rocznik: 2022
• Tom: nr 26
• Strony: 37--47
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wykr.

Twórcy

autor

Suwak Mikołaj

• Instytut Inżynierii Chemicznej Polskiej Akademii Nauk, ul. Bałtycka 5, 44-100 Gliwice

autor

Kleszcz Tadeusz

• Instytut Inżynierii Chemicznej Polskiej Akademii Nauk, ul. Bałtycka 5, 44-100 Gliwice

Bibliografia

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• [14] A. H. Abdullah, R. Mat, S. Somderam, A. S. A. Aziz, A. Mohamed, Hydrogen Sulfide Adsorp-tion by Zinc Oxide-Impregnated Zeolite (Synthesized from Malaysian Kaolin) for Biogas Desulfurization, Journal of Industrial and Engineering Chemistry (2018), 65, 334 - 342, DOI: 10.1016/j.jiec.2018.05.003.
• [15] M. J. Jafari, R. Zendehdel, A. Rafieepour, M. Nakhaei Pour, H. Irvani, Comparison of Y and ZSM-5 zeolite modified with magnetite nanoparticles in removal of hydrogen sulfide from the air, International Journal of Environmental Science and Technology volume (2020), 17, 187–194, DOI: 10.1007/s13762-019-02348-w.
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• [21] I. E. Barkovskii, A. I. Lysikov, J. V. Veselovskaya, N. V. Maltseva, A. G. Okunev, Alkaline-Modified Activated Carbons for Removing Hydrogen Sulfide from Air via Sorption and Cata-lytic Oxidation: Studying the Effect of Thermal Treatment on the Properties of Materials, Ca-talysis and Environmental Protection (2019), 11, 335 - 341, DOI: 10.1134/S2070050419040020.
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).