GAMMA-RAY-INDUCED DEGRADATION OF PCBS IN NEUTRAL ISOPROPANOL USING SPENT REACTOR-FUEL

被引：31

作者：

MINCHER, BJ ^{[1
]}

ARBON, RE ^{[1
]}

KNIGHTON, WB ^{[1
]}

MEIKRANTZ, DH ^{[1
]}

机构：

[1] MONTANA STATE UNIV,BOZEMAN,MT 59717

来源：

APPLIED RADIATION AND ISOTOPES | 1994年 / 45卷 / 08期

关键词：

D O I：

10.1016/0969-8043(94)90219-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

In this study we report new results concerning the gamma-radiolysis of the PCB octachlorobiphenyl. The radiolytic decomposition rate of octachlorobiphenyl (8CB) in neutral isopropanol was studied as a function of dose using spent nuclear fuel as a gamma-ray source. The G-values measured were small (approx. 0.01 mumol J-1), however the easy access to very high gamma-ray doses and dose rates has allowed for the investigation of a process not constrained to deaerated, alkaline conditions. The G-value was suppressed by the addition of a solvated electron and solvent radical scavenger, but not by the addition of hydrogen atom and hydroxyl radical scavengers, suggesting that in neutral alcoholic solvent the solvated electron and possibly solvent radicals are the primary species responsible for PCB decomposition.

引用

页码：879 / 887

页数：9

共 20 条

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