Radiolytic degradation of carbofuran by using gamma and gamma/hydrogen peroxide processes

被引：6

作者：

Ibrahim, Khalid Elmamoun Ahmed ^{[1
]}

Elbashir, Abdalla Ahmed ^{[2
]}

Ahmed, Mustafa Mohamed Osman ^{[1
]}

Solpan, Dilek ^{[3
]}

机构：

[1] Sudan Atom Energy Commiss, Dept Radiat Proc, POB 3001, Khartoum 11111, Sudan

[2] Univ Khartoum, Fac Sci, Chem Dept, POB 321, Khartoum, Sudan

[3] Hacettepe Univ, Dept Chem, TR-06800 Beytepe, Turkey

来源：

RADIATION PHYSICS AND CHEMISTRY | 2018年 / 153卷

关键词：

Carbofuran (CBF); Advanced oxidation processes (AOP's); Gamma/H2O2; Effect of hydrogen peroxide; ELECTROCHEMICAL ADVANCED OXIDATION; PHOTOCATALYTIC DEGRADATION; WATER; PESTICIDES; RADIATION; REMOVAL; FENTON; UV; TOXICITY; SYSTEM;

D O I：

10.1016/j.radphyschem.2018.10.014

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, different gamma-irradiation doses in the range from (0.25-3.0 kGy) were used with and without H2O2 to remove carbofuran (CBF) from aqueous solution The Gas chromatography-Mass spectrometry and ion chromatography were used to determine the intermediates, by-products, aliphatic acids, and inorganic species. The amount of formaldehyde were followed by UV-visible spectrophotometer. The change in dissolved oxygen, total acidity and pH was measured before and after gamma-irradiation. It was found that the dissolved oxygen was decreased from 3.42 to 0.9 mg L-1, pH from 7.20 to 3.75 and the total acidity was increased from 0.30 to 0.98 mg L-1. The completely degradation of carbofuran takes place at 3.0 kGy. As a consequence, the possible degradation pathway was suggested.

引用

页码：251 / 257

页数：7

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