Anticaking agent for ammonium nitrate prepared from distilled fatty acids and spent monoethanolamine
Abstract
The article presents the results of research devoted to the development of a method for obtaining an anti-caking agent for nitrogen fertilizer widely used in agriculture – ammonium nitrate, and studying the agent’s properties. Ammonium nitrate is characterized by increased hygroscopicity and good solubility in water, and is prone to caking and hardening during long-term storage and transportation. To eliminate this drawback, a technology has been developed for the synthesis of hydrophobic surfactant based on secondary products of the local chemical industry – distilled fatty acids and spent monoethanolamine purified from sulfur oxide. The resulting surfactant composition consists of the following five ingredients: secondary product – residue of distillation of fatty acids of cottonseed oil; waste monoethanolamine obtained after adsorption treatment on bentonite clays; mineral oil; stabilizer, and hardener. The optimal conditions for the synthesis of surfactant have been developed: temperature, pressure, time, ratio of the main components. Preliminary tests have shown that the new surfactant has hydrophobizing properties and also prevents the fertilizer from caking during storage in a warehouse.
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Copyright (c) 2020 Nodyr A. Kadyrov, Abdusamig A. Kadyrov, Khamdam I. Akbarov, and Murod A. Eshmukhamedov
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