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γ-ray damage of N,N-diethyl-hydroxylamine in water and its radiolytic products at lower dose

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Abstract

N,N-Diethyl-hydroxylamine (DEHA) is a novel salt-free reductant used in the reprocessing of spent fuel, this paper reports on γ-rays damage of 0.1–0.5 mol L−1 DEHA irradiated 5–25 kGy and its radiolytic products. DEHA is relative stable against radiation, its radiolysis rate increases with the dose, but decreases with increasing initial DEHA concentration. The main radiolytic products are hydrogen, ethene, methane, acetaldehyde and ammonium ion, their quantities increase with initial DEHA concentration. Hydrogen and liquid radiolytic products quantities increase with the dose, the dependence of hydrocarbon quantity on dose relates to original DEHA concentration and dose.

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Acknowledgments

The authors wish to extend warm acknowledgement for the financial assistance of Natural Science Foundation of China (No. 20771074) and Program for Innovative Research Team in University (No. IRT13078).

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Authors and Affiliations

  1. School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China

    J. H. Wang, C. C. Wang, Sh. X. Wang, M. H. Wu & G. Xu

  2. Radiochemistry Department, China Institute of Atomic Energy, Box 275, Beijing, 102413, China

    W. F. Zheng, H. He & Sh. D. Zhang

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  1. J. H. Wang
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  2. C. C. Wang
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  3. Sh. X. Wang
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  4. M. H. Wu
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  5. G. Xu
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  6. W. F. Zheng
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  7. H. He
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Correspondence to J. H. Wang.

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Wang, J.H., Wang, C.C., Wang, S.X. et al. γ-ray damage of N,N-diethyl-hydroxylamine in water and its radiolytic products at lower dose. J Radioanal Nucl Chem 309, 503–510 (2016). https://doi.org/10.1007/s10967-015-4641-0

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  • DOI: https://doi.org/10.1007/s10967-015-4641-0

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