Vol. 3 (2023), PROBLEMS OF ENVIRONMENTAL PROTECTION AND BALANCED NATURE MANAGEMENT
Vol. 3 (2023)

Research on the regeneration of concentrated ammonium solutions from municipal wastewater

PROBLEMS OF ENVIRONMENTAL PROTECTION AND BALANCED NATURE MANAGEMENT
Published 2023-03-29
Lilia Dzikhovska
Vinnytsia Mikhailo Kotsiubynskyi State Pedagogical University
Olha Skoropad
Vinnytsia Mykhailo Kotsiubynskyi State Pedagogical University
Yuliia Vynokurova
Vinnytsia Mykhailo Kotsiubynskyi State Pedagogical University
Tamara Vasylinych
Vinnytsia Mykhailo Kotsiubynskyi State Pedagogical University
https://orcid.org/0000-0002-7148-9312
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Keywords

regenerate, ammonium nitrogen, magnesium-ammonium orthophosphate, fertilizer

How to Cite

Dzikhovska, L., Skoropad, O., Vynokurova, Y., & Vasylinych, T. (2023). Research on the regeneration of concentrated ammonium solutions from municipal wastewater. Personality and Environmental Issues, 3(1), 44-48. https://doi.org/10.31652/2786-6033-2023-1(3)-44-48
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Abstract

The conducted studies confirm the possibility and expediency of using the reagent method to remove ammonium nitrogen from wastewater in the form of slightly soluble magnesium-ammonium orthophosphate MgNH4PO4 · 5H2O, which is a high-quality fertilizer.

The most optimal conditions for the process of reagent precipitation of ammonium nitrogen at an initial concentration of NH4+ - N – 470 mg / l are pH 8.5 and the stoichiometric ratio Mg2+: NH4+: PO43- = 1,5: 1: 1,5.

It was determined that according to the chemical composition, properties and behavior during heating of the obtained magnesium-ammonium phosphate crystallohydrate corresponds to the biogenic mineral struvite and can be used as a mineral fertilizer of prolonged action.

It was found that the method of preserving struvite does not significantly affect the germination of the disease and the value of the humidity of germination.

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References

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M. Malyovanyi, O. Zakhariv, M. Kanda, A. Bratashchuk, G. Sakalova, Z. Odnorig, N. Chornomaz Synthesis of prolonged fertilizers by adsorption of nutrients and trace elements by natural sorbents from industrial and agricultural waste. Scientific Bulletin of the National University of Life and Environmental Sciences of Ukraine. 2016. 240. P.168-175.

Yurii Tulaydan, Myroslav Malovanyy, Viktoria Kochubei, Halyna Sakalova. Treatment of high-strength wastewater from ammonium and phosphateions wath the obtaining ofstruvite. Chemistri & Chemikal technology. 2017. Vol.11, №.4. P.463-468.

Sakalova, T. Vasylinych, O. Shevchuk, O.Tkachuk. Perspectives of integration the technology of ion-exchanging ammonium extraction from the system of municipal drain water purification. Ukrainian Journal of Ecology. 2018. №8(1). Р.568-571.

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Copyright (c) 2023 Lilia Dzikhovska, Olga Skoropad, Yuliia Vynokurova, Tamara Vasylinych

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