Obtaining of complex mineral fertilizer by phosphogypsum conversion with ammonium nitrate
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2024-01-11 13:10
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661.152:631.85 (1)
Chemicals (89)
Fertilizers, manures and soil enrichment. Promotion of growth. Plant stimulants (374)
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IVANCHENKO, Anna, YELATONTSEV, Dmytro, SAVENKOV, Anatoliy, NAZARENKO, Olena, KUNDIRENKO, Viktoria. Obtaining of complex mineral fertilizer by phosphogypsum conversion with ammonium nitrate . In: Chemistry Journal of Moldova, 2022, nr. 1(17), pp. 18-23. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2021.902
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Chemistry Journal of Moldova
Numărul 1(17) / 2022 / ISSN 1857-1727 /ISSNe 2345-1688

Obtaining of complex mineral fertilizer by phosphogypsum conversion with ammonium nitrate

DOI: https://doi.org/10.19261/cjm.2021.902
CZU: 661.152:631.85

Pag. 18-23

Ivanchenko Anna1, Yelatontsev Dmytro1, Savenkov Anatoliy2, Nazarenko Olena1, Kundirenko Viktoria1
 
1 Dneprodzerzhinsk State Technical University,
2 National Technical University «Kharkiv Polytechnic Institute»
 
Disponibil în IBN: 13 iulie 2022


Rezumat

The paper proposes an environmentally friendly method for phosphogypsum processing into N,Ca,S,P-fertilizers. The liquid complex mineral fertilizer was obtained by treating phosphogypsum with an ammonium nitrate solution. The dependence of the content of Ca2+, SO42-, NO3- ions in the temperature range of 20-80°C at the ratio CaSO4:NH4NO3= 1:0.5 was studied. The optimal temperature for the fertilizer obtaining was established at 60°C. It was obtained a complex liquid N,Ca,S,P-fertilizer with the content of nutrients (wt. %) N:Ca:S:P= 56:26:12:6 in the dry product, and 16.8:3.6:7.8:1.8 in the liquid phase. The obtained fertilizer increased the yield of radish by 7.16% compared to the control. The advantage of the proposed method is reducing the cost of the fertilizer, increasing its nutritional value, and obtaining useful products from the waste.

Cuvinte-cheie
phosphogypsum, ammonium nitrate, complex mineral fertilizer, wet conversion