Kinetics of sorption of niobium ions by anion-exchangers from mixed chloride-fluoride solutions

Journal Article · Mon Aug 10 04:00:00 EDT 1987 · J. Appl. Chem. USSR (Engl. Transl.); (United States)

OSTI ID:5416841

Rychkov, V N; Pakholkov, V S; Kuznetsova, L D

The authors showed earlier on the basis of experimental and calculated data obtained in studies of ion-exchange equilibrium that the sorbability and composition of sorbed niobium ions are determined by the content of hydrofluoric acid in mixed chloride-fluoride solutions. Variation of the ionic state of niobium in these solutions should also influence the rate of ion exchange. In this communication they examine the results of a study of the kinetics of exchange of niobium ions on AV-17 x 8, EDE-10P, and AN-2F anion-exchange resins in fluoride-containing solutions. Kinetic curves for sorption of niobium ions and the results of their evaluation are presented.

• OSTI ID: 5416841
• Journal Information: J. Appl. Chem. USSR (Engl. Transl.); (United States), Journal Name: J. Appl. Chem. USSR (Engl. Transl.); (United States) Vol. 60:2; ISSN JAPUA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ACTIVATION ENERGY
ADSORPTION
CHEMICAL REACTION KINETICS
CHLORIDES
CHLORINE COMPOUNDS
DIFFUSION
ENERGY
EQUILIBRIUM
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HYDROCHLORIC ACID
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
ION EXCHANGE
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
MATHEMATICAL MODELS
NIOBIUM CHLORIDES
NIOBIUM COMPOUNDS
NIOBIUM FLUORIDES
ORGANIC COMPOUNDS
ORGANIC ION EXCHANGERS
ORGANIC POLYMERS
PARTICLE SIZE
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
REACTION KINETICS
REFRACTORY METAL COMPOUNDS
RESINS
SIZE
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS