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author:

Wang, J. H. (Wang, J. H..) [1] | Chen, Y. (Chen, Y..) [2] | Wan, Y. (Wan, Y..) [3] | Wu, M. H. (Wu, M. H..) [4] (Scholars:吴明红) | Zheng, W. F. (Zheng, W. F..) [5] | He, H. (He, H..) [6]

Indexed by:

SCIE

Abstract:

N, N-diethylhydroxylamine (DEHA) is a novel salt-free reducing reagent used in the separation of Pu and Np from U in the treatment of used nuclear fuel. This paper reports on the radiation damage and radiolytic by-product of 0.5 mol L-1 DEHA in 0.3 mol L-1 similar to 1.0 mol L-1 HNO3 at dose up to 25 kGy. Results show that the radiolysis rate of DEHA is less than 10%. The main radiolytic products are hydrogen, acetaldehyde, acetic acid and nitrous acid, which increase with the dose. The concentration of acetaldehyde and acetic acid is much higher than that of nitrous acid.

Keyword:

Nitric acid N,N-diethylhydroxylamine Nuclear spent fuel Radiolysis Reprocessing

Community:

  • [ 1 ] [Wang, J. H.]Shanghai Univ, Sch Environm & Chem Engn, Shanghai Appl Radiat Inst, Shanghai 200444, Peoples R China
  • [ 2 ] [Chen, Y.]Shanghai Univ, Sch Environm & Chem Engn, Shanghai Appl Radiat Inst, Shanghai 200444, Peoples R China
  • [ 3 ] [Wan, Y.]Shanghai Univ, Sch Environm & Chem Engn, Shanghai Appl Radiat Inst, Shanghai 200444, Peoples R China
  • [ 4 ] [Wu, M. H.]Shanghai Univ, Sch Environm & Chem Engn, Shanghai Appl Radiat Inst, Shanghai 200444, Peoples R China
  • [ 5 ] [Zheng, W. F.]China Inst Atom Energy, Radiochem Dept, Beijing 102413, Peoples R China
  • [ 6 ] [He, H.]China Inst Atom Energy, Radiochem Dept, Beijing 102413, Peoples R China

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Source :

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

ISSN: 0236-5731

Year: 2022

Issue: 9

Volume: 331

Page: 3765-3772

1 . 6

JCR@2022

1 . 5 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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