1960•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Open access

DEGRADATION OF DILUENTS USED WITH TBP IN SOLVENT EXTRACTION

B.O. Field, E.N. Jenkins

Abstract

The degradation of odorless kerosene and of a range of alternative diluents, in the presence of 20% TBP, by mixtures of nitric and nitrous acids at 60 to 70 deg C was investigated. It was established that the relative extent of degradation can be conveniently and reproducibly measured by a retention test using Hf/sup 181/ as tracer. Alternatives to kerosene and fractions isolated from kerosene show greater resistance than kerosene itself to nitric acid. The purification of degraded solvent was studied. (auth)

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Key concepts: Diluent, Kerosene, Nitric acid, Chemistry, Degradation (telecommunications), Solvent, Extraction (chemistry), Nitrous acid