You need JavaScript to view this

Chemical and radiolytical solvent degradation in the Purex process

Abstract

The state of the art of chemical and radiolytical solvent degradation is described. For the hydrolysis of tributylphosphate TBP->HDBP->H/sub 2/MBP->H/sub 3/PO/sub 4/ values are given for the individual constants in a temperature range from 23 to 90/sup 0/C. Radiolytic yields were measured for HDBP as 80 mg/Wh, for H/sub 2/MBP as 2 mg/Wh, and for H/sub 3/PO/sub 4/ as 5 mg/Wh. Experimental results on the degradation products of the diluent are summarized and their influence on the process is discussed. Long chain acid phosphates and acid TBP oligomeres were identified as responsible for the retention of fission products. Techniques such as polarography, infrared spectrometry and electrolytic conductometry are applied to estimate concentrations of degradation products down to 10/sup -5/ mol/l.
Publication Date:
Jan 01, 1985
Product Type:
Journal Article
Reference Number:
FRG-84-03704; EDB-85-071173
Resource Relation:
Journal Name: Atomkernenerg. Kerntech.; (Germany, Federal Republic of); Journal Volume: 46:2
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; PUREX PROCESS; ORGANIC SOLVENTS; TBP; HYDROLYSIS; RADIOLYSIS; ALKANES; CHEMICAL REACTIONS; COMPLEXES; DILUTION; DISSOLUTION; DISTURBANCES; SOLVENT EXTRACTION; BUTYL PHOSPHATES; CHEMICAL RADIATION EFFECTS; CHEMISTRY; DECOMPOSITION; ESTERS; EXTRACTION; HYDROCARBONS; LYSIS; ORGANIC COMPOUNDS; ORGANIC PHOSPHORUS COMPOUNDS; PHOSPHORIC ACID ESTERS; RADIATION CHEMISTRY; RADIATION EFFECTS; REPROCESSING; SEPARATION PROCESSES; SOLVENTS; SOLVOLYSIS; 050800* - Nuclear Fuels- Spent Fuels Reprocessing; 400600 - Radiation Chemistry
OSTI ID:
6012659
Country of Origin:
Germany
Language:
German
Other Identifying Numbers:
Journal ID: CODEN: ATKED
Submitting Site:
HEDB
Size:
Pages: 76-80
Announcement Date:
May 01, 1985

Citation Formats

Stieglitz, L, and Becker, R. Chemical and radiolytical solvent degradation in the Purex process. Germany: N. p., 1985. Web.
Stieglitz, L, & Becker, R. Chemical and radiolytical solvent degradation in the Purex process. Germany.
Stieglitz, L, and Becker, R. 1985. "Chemical and radiolytical solvent degradation in the Purex process." Germany.
@misc{etde_6012659,
title = {Chemical and radiolytical solvent degradation in the Purex process}
author = {Stieglitz, L, and Becker, R}
abstractNote = {The state of the art of chemical and radiolytical solvent degradation is described. For the hydrolysis of tributylphosphate TBP->HDBP->H/sub 2/MBP->H/sub 3/PO/sub 4/ values are given for the individual constants in a temperature range from 23 to 90/sup 0/C. Radiolytic yields were measured for HDBP as 80 mg/Wh, for H/sub 2/MBP as 2 mg/Wh, and for H/sub 3/PO/sub 4/ as 5 mg/Wh. Experimental results on the degradation products of the diluent are summarized and their influence on the process is discussed. Long chain acid phosphates and acid TBP oligomeres were identified as responsible for the retention of fission products. Techniques such as polarography, infrared spectrometry and electrolytic conductometry are applied to estimate concentrations of degradation products down to 10/sup -5/ mol/l.}
journal = []
volume = {46:2}
journal type = {AC}
place = {Germany}
year = {1985}
month = {Jan}
}