Published April 2018 | Version v1
Book Metadata-only

State equation of uranium (VI) acidic solution and its calculations

Creators

  • 1. Beijing Research Institute of Chemical Engineering and Mctallurgy, CNNC, Bcijing (China)

Description

The equation of state of U (VI) acidic solutions is proposed, by which the distributions of U (VI) species and on them effects of compositions and pH value can be calculated theoretically, based on competitive coordination chemistry and the concept of general coordination. The competition coordination means competition of coordination reactions of U (VI) ∼ sulphate with hydrolysis of soluble U (VI) and protonation of sulphate. It can be calculated and predicted that effects of component and pH on solution chemistry of U (VI) and distribution of U (VI) species by this equation of state. The results are shown (1) stabilities of U (VI) solutions are positively relative to uranium concentrations; (2) dual nuclear and polynuclear species could be eliminated when the minimum of molar ratio of carbonate to uranium (Pmim) is less than 0.05; (3) hydrolysis of U (VI) acidic solutions of 1 mol/L could be dominated when Pmim is not less than 5. 3. The uranium concentration is lower, and Pmim higher. (author)

Part of:
Progress report on nuclear science and technology in China (Vol.5). Proceedings of academic annual meeting of China Nuclear Society in 2017, No.6--Nuclear Chemical Engineering sub-volume

Additional details

Publishing Information

Publisher
China Atomic Energy Press
Imprint Place
Beijing (China)
ISBN
978-7-5022-8776-4
Imprint Title
Progress report on nuclear science and technology in China (Vol.5). Proceedings of academic annual meeting of China Nuclear Society in 2017, No.6--Nuclear Chemical Engineering sub-volume
Imprint Pagination
234 p.
Journal Page Range
p. 164-170

Conference

Title
2017 academic annual meeting of China Nuclear Society
Dates
16-18 Oct 2017
Place
Weihai (China)

INIS

Country of Publication
China
Country of Input or Organization
China
INIS RN
53102295
Subject category
S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
Resource subtype / Literary indicator
Conference
Descriptors DEI
CALCULATION METHODS; CARBONATES; CONCENTRATION RATIO; COORDINATION VALENCES; DISTRIBUTION; EQUATIONS OF STATE; HYDROLYSIS; PH VALUE; SOLUTIONS; SULFATES; URANIUM
Descriptors DEC
ACTINIDES; CARBON COMPOUNDS; CHEMICAL REACTIONS; DECOMPOSITION; DIMENSIONLESS NUMBERS; DISPERSIONS; ELEMENTS; EQUATIONS; HOMOGENEOUS MIXTURES; LYSIS; METALS; MIXTURES; OXYGEN COMPOUNDS; SOLVOLYSIS; SULFUR COMPOUNDS; VALENCE

Optional Information

Notes
6 figs., 1 tab., 6 refs.