Knowledge Management System Of Shanghai Institute of Applied Physics, CAS
| Bromate formation in bromide-containing waters irradiated by gamma rays | |
| Zhou, Y; Cao, CQ; Wang, M; caochangqing@sinap.ac.cn | |
| 2014 | |
| Source Publication | NUCLEAR SCIENCE AND TECHNIQUES
 |
| ISSN | 1001-8042 |
| Volume | 25Issue:1 |
| Abstract | The formation of bromate, a classified potential carcinogen, is of great concern when disinfection processes are used for treating high-bromide drinking waters. Bromide-containing aqueous solutions with various additives were irradiated by Co-60 gamma source. With a 2.0 kGy irradiation of N2O-saturated solutions at initial bromide concentrations of 180.2 mu g l(-1), 416.9 mu g l(-1), 663.1 mu gl(-1) and 823.9 mu gl(-1). 79.5%, 84.0%, 87.3% and 88.3% of bromide ions were transformed to bromate, respectively. Addomg CO32-/HCO3- or NO3- ions into N2O-saturated bromide solutions, the amount of bromate ions formed decreased with increasing concentrations of the additives. On the other hand, the bromate concentration was all below the detection limit of 1 mu gl(-1) whenever N2O was not added to quench e(aq)- and .H. The results indicated that gamma-rays irradiation could be used as a disinfection process, instead of ozonation, to comply with upcoming more stringent regulations, especially in waters containing high concentrations of bromide. |
| Keyword | Hydroxyl Radicals Pulse-radiolysis Ozonation Oxidation |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000335293500004 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.sinap.ac.cn/handle/331007/14027 |
| Collection | 中科院上海应用物理研究所2011-2019年 |
| Corresponding Author | caochangqing@sinap.ac.cn |
| Recommended Citation GB/T 7714 | Zhou, Y,Cao, CQ,Wang, M,et al. Bromate formation in bromide-containing waters irradiated by gamma rays[J]. NUCLEAR SCIENCE AND TECHNIQUES,2014,25(1). |
| APA | Zhou, Y,Cao, CQ,Wang, M,&caochangqing@sinap.ac.cn.(2014).Bromate formation in bromide-containing waters irradiated by gamma rays.NUCLEAR SCIENCE AND TECHNIQUES,25(1). |
| MLA | Zhou, Y,et al."Bromate formation in bromide-containing waters irradiated by gamma rays".NUCLEAR SCIENCE AND TECHNIQUES 25.1(2014). |
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