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Title: | Features of Phase Formation during “Dry” Neutralization in the System Na[2]CO[3]–H[2]O–H[x]An |
Authors: | Sumich, A. I. Eshchenko, L. S. |
Keywords: | dry neutralization detergents sodium sesquicarbonate agglomeration сухая нейтрализация детергенты сесквикарбонат натрия агломерация |
Issue Date: | 2021 |
Citation: | Sumich, A. I. Features of Phase Formation during “Dry” Neutralization in the System Na[2]CO[3]–H[2]O–H[x]An / A. I. Sumich, L. S. Eshchenko // Russian Journal of Applied Chemistry. - 2021. - Vol. 94, No. 7, - P. 884–889. |
Abstract: | It was found that during the “dry” neutralization of mono- (acetic) and polybasic (orthophosphoric, citric, sulfuric) acids (HxAn) in the Na[2]CO[3]–H[2]O–HxAn system with a molar ratio Na[2]CO[3]/H[x]An = 1.5–10.5 at the interface, sodium sesquicarbonate (Na[2]CO[3]·NaHCO[3]·2H[2]O) crystallizes as a result of decomposition of Na[2]CO[3], dissolution of the resulting CO[2] in the surface liquid layer and its interaction with CO[3]{2–} anions with the formation of an equimolar amount of HCO[3] – anions. The hydrated salts formed during the process (phosphates, acetates, citrates, and sodium sulfates) play the role of binders during the aggregation of particles into granules of a 0.106–1.00 mm size. |
URI: | https://elib.belstu.by/handle/123456789/45559 |
Appears in Collections: | Статьи в зарубежных изданиях |
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