期刊
JOURNAL OF CLEANER PRODUCTION
卷 242, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2019.118569
关键词
Electrocatalytic; Denitrification; Fe3O4 nanoparticles; Zero-valent iron; Nickel foam
资金
- National Institute for Medical Research Development (NIMAD) of the Islamic Republic of Iran [971309]
- Tarbiat Modares University, Tehran, Iran
The main objective of this study is to offer an effective electrocatalytic system with high selectivity to nitrogen and low energy consumption using Ni-Fe-0@Fe3O4 nanocomposite. The Ni-Fe-0@Fe3O4 nanocomposite electrode for electrocatalytic denitrification prepared via an electrodeposition method. Factors effective on nitrate electrocatalytic reduction such as current efficiency, nitrate removal, nitrite and ammonia generation, nitrogen selectivity, and energy consumption were studied using the Ni-Fe-0@Fe3O4 nanocomposite electrode. The Ni-Fe-0@Fe3O4 nanocomposite was characterized by BET, FE-SEM, EDX, and XRD techniques. The proposed electrocatalytic system reached 90.19% nitrate removal efficiency using 5 mA/cm(2) current density within 240 min, pH of 6.2, and 10mM NaCl compared to Ni foam (28.16%) and Ni-Fe-0 (45.95%). The electrocatalytic system exhibited a high selectivity to nitrogen, desirable current efficiency, and low energy consumption, of about 4.42 KWh/n-nitrate-N under the optimum condition. The results showed that the ammonium and nitrite generation decreased in the electrocatalytic process. (c) 2019 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据