WebTributyl Phosphate. TBP–dodecane waste is disposed of by incineration or decomposed by hydrolysis and pyrolysis to separate the mixture into hydrocarbons and active phosphoric acid. ... Plutonium and uranium are extracted from the aqueous solution by forming nitrate complexes with TBP, leaving most of the fission products behind. ... WebMay 1, 2024 · The PUREX process is based on the use of the ligand tributyl phosphate (TBP), usually diluted in a kerosene diluent, that is highly selective for the actinides uranium and plutonium (in hexa- and tetra- valent states) (Schulz et al., 1990). Uranium and plutonium are extracted from a nitric acid solution whilst the vast majority of the fission ...
The behaviour of tributyl phosphate in an organic diluent
WebTributyl phosphate (TBP) enhances 238Pu penetration at all stages of its transport in the organism, significantly influences the rates and levels of its cumulation and elimination, the duration of its deposition in organs and tissues. WebDec 1, 2016 · Tributyl phosphate (TBP) is an important industrial extractant used in the Plutonium Uranium Redox Extraction (PUREX) process for recovering uranium and plutonium from used nuclear fuel. Distribution data have been assessed for a variety of fission and corrosion product trace metals at varying uranium concentrations under … how to give someone your old iphone
Improved determination of tributyl phosphate degradation
WebThe binding of plutonium to human apo-transferrin and to rat serum was investigated following delivery of the metal to the protein either as the plutonium-tri-n-butyl phosphate (Pu-TBP) complex in n-dodecane or as plutonium nitrate. WebApr 13, 2024 · The extraction of pertechnetate (TcO 4 −) and perrhenate (ReO 4 −) by tributyl phosphate (TBP) has been extensively studied, but the structure of the extracted species is subject to debate.In this work, the extraction behavior of TcO 4 − and ReO 4 − from both HNO 3 and HCl media by TBP in n-dodecane was studied by examining the effects of acid … WebIn a previous communication [1] we examined the effect of monobutyl phosphate (MBP) and dibutyl phosphate (DBP) on the extraction of plutonium nitrate by tributyl phosphate … how to give space