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Properties of Zinc Oxide Adsorbent for Adsorbing Hydrogen Sulfide

  • Sorption and Ion Exchange Processes
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Abstract

The paper defines the conditions for the synthesis of hydrogen sulfide adsorbent based on zinc oxide from basic zinc carbonate in order to produce strong, porous and non-dusting pellets of a sulfur-adsorbing mass. It is proposed to prepare the adsorbent by mixing nanocrystalline and coarsely dispersed ZnO. It was proven that the introduction of solutions of carboxymethyl cellulose and hydroxypropyl cellulose into the extraction paste makes it possible to reduce the fraction of plastic deformations in the ZnO suspension from 79.8 to 56.1%. In this paper the rheological properties of zinc oxide are investigated. According to the Maxwell–Shvedov and Kelvin model, all the studied systems belong to the fourth structural-mechanical type. Tests of a sulfur adsorbent based on zinc oxide suspensions showed that in the temperature range of 300–400°C in the reaction gas mixture H2S 10%, N2 90%, there are completely no sulfur compounds at the outlet. It has been established that the formability of the ZnO-based paste is possible at an optimum moisture content of 33.4%.

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Funding

The work was carried out within the framework of the state assignment for the implementation of research and with the scholarship support of the President of the Russian Federation. Topics no. FZZW-2020-0010 and no. 15493GU/2020. The study was conducted using the resources of the Center for the Collective Use of Scientific Equipment of the ISUCT (with the support of the Russian Ministry of Education and Science, agreement no. 075-15-2021-671).

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Authors and Affiliations

  1. Ivanovo State University of Chemical Technology, 153000, Ivanovo, Russia

    K. O. Denisova, A. A. Ilyin, K. A. Veres & A. P. Ilyin

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  1. K. O. Denisova
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  2. A. A. Ilyin
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  3. K. A. Veres
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  4. A. P. Ilyin
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Correspondence to A. A. Ilyin.

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Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 1, pp. 114–118, December, 2022 https://doi.org/10.31857/S0044461822010133

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Denisova, K.O., Ilyin, A.A., Veres, K.A. et al. Properties of Zinc Oxide Adsorbent for Adsorbing Hydrogen Sulfide. Russ J Appl Chem 95, 113–117 (2022). https://doi.org/10.1134/S1070427222010141

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  • DOI: https://doi.org/10.1134/S1070427222010141

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