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Recovery of lanthanum from acid leaching solutions of spent cracking catalyst

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Abstract

Results are presented of a study aimed to recover lanthanum in the presence of aluminum from acid solutions obtained in leaching of a spent cracking catalyst by precipitation with a solution of ammonia and sodium hydrocarbonate. The conditions for selective precipitation of lanthanum were examined. The composition and properties of the resulting lanthanum-containing precipitates were analyzed. Various variants of their use are suggested.

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Correspondence to I. Yu. Kozlowskaya.

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Original Russian Text © V.N. Martsul’, I.Yu. Kozlowskaya, 2015, published in Zhurnal Prikladnoi Khimii, 2015, Vol. 88, No. 10, pp. 1404-1408.

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Martsul’, V.N., Kozlowskaya, I.Y. Recovery of lanthanum from acid leaching solutions of spent cracking catalyst. Russ J Appl Chem 88, 1589–1593 (2015). https://doi.org/10.1134/S1070427215100055

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  • DOI: https://doi.org/10.1134/S1070427215100055

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