Integrated Process of Ammonium Ion Adsorption by Natural Dispersed Sorbents

Abstract:

The process of adsorption treatment of effluents from ammonium ions is considered as an integrated two-stage process consisting of the stage of adsorption of contaminants by natural sorbents in the apparatus with a stirrer and the liquid separation stage and solid phases. Mathematical models of ammonium ions adsorption from effluents by natural dispersed sorbents are proposed, based on the assumption that the process is described by Langmuir and Friendlich isotherms. The values of ion exchange equilibrium constants for different types of natural sorbents have been established by identifying experimental data for theoretical dependences. The obtained constants can be used to calculate the average concentration of ammonium ions in the solution and in the grain of the sorbent in the process of integrated adsorption process. Based on the analysis of the research results, the optimum method of the spent sorbent separation was selected - separation of the suspension of purified ammonium-containing effluents - spent sorbent under the action of gravity. Indicators of optimization of complex process of sewage treatment from ammonium ions are offered.

• Periodical: Key Engineering Materials (Volume 925)
• Pages: 125-133
• DOI: https://doi.org/10.4028/p-r9rvlw
• Online since: July 2022
• Authors: Myroslav Malovanyy*, Natalia Chornomaz, Ihor Bordun, Ivan Tymchuk, Jaroslava Zaharko
• Keywords: Adsorption Kinetics, Ammonium Nitrogen, Glauconite, Isotherm, Natural Adsorbents, Paligorskite, Zeolite

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