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Superior azo-dye degradation of Fe-Si-B-P amorphous powders with graphene oxide addition
Wang, F; Wang, H; Zhang, HF; Dan, ZH; Weng, N; Tang, WY; Qin, FX; Qin, FX (reprint author), Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China.; Tang, WY (reprint author), Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China.
2018-07-01
发表期刊JOURNAL OF NON-CRYSTALLINE SOLIDS
ISSN0022-3093
卷号491页码:34-42
摘要Degradation behavior of methyl orange and direct blue 6 azo dyes catalyzed by Fe76Si9B10P5 amorphous powders and graphene oxide (GO) addition composites has been investigated. The results revealed that the Fe76Si9B10P5 amorphous powders are more effective to degrade azo dyes than the commercial Fe powders with the activity energies of 24.2 kJ mol(-1) and 20.4 kJ mol(-1) for the degradation of methyl orange and direct blue 6 azo dye solutions. The addition of GO into the amorphous powders further improves the degradation activity, accompanied with lower activation energies of 18.3 kJ mol(-1) and 16.7 kJ mol(-1). High degradation performance of Fe-Si-B-P amorphous powders was attributed to the amorphous structure in metastable state and the existence of metalloids which are beneficial to the formation of a surface layer with high activity. The addition of GO accelerates the degradation process due to its high surface area and the existence of large number of functional groups.; Degradation behavior of methyl orange and direct blue 6 azo dyes catalyzed by Fe76Si9B10P5 amorphous powders and graphene oxide (GO) addition composites has been investigated. The results revealed that the Fe76Si9B10P5 amorphous powders are more effective to degrade azo dyes than the commercial Fe powders with the activity energies of 24.2 kJ mol(-1) and 20.4 kJ mol(-1) for the degradation of methyl orange and direct blue 6 azo dye solutions. The addition of GO into the amorphous powders further improves the degradation activity, accompanied with lower activation energies of 18.3 kJ mol(-1) and 16.7 kJ mol(-1). High degradation performance of Fe-Si-B-P amorphous powders was attributed to the amorphous structure in metastable state and the existence of metalloids which are beneficial to the formation of a surface layer with high activity. The addition of GO accelerates the degradation process due to its high surface area and the existence of large number of functional groups.
部门归属[wang, feng ; weng, nan ; qin, fengxiang] nanjing univ sci & technol, sch mat sci & engn, nanjing 210094, jiangsu, peoples r china ; [wang, hao] tohoku univ, inst mat res, sendai, miyagi 9808577, japan ; [zhang, haifeng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, liaoning, peoples r china ; [dan, zhenhua] nanjing tech univ, coll mat sci & engn, nanjing 210009, jiangsu, peoples r china ; [tang, wanying] nanjing univ sci & technol, sch chem engn, nanjing 210094, jiangsu, peoples r china
关键词Zero-valent Iron Waste-water Treatment Nitrate Reduction Aqueous-solution Methyl-orange Nanoparticles Particles Remediation Reactivity System
学科领域Materials Science, Ceramics ; Materials Science, Multidisciplinary
资助者Natural Science Foundation of China [51671106]; Natural Science Foundation of Jiangsu Province [BK20171424, BK20151536]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79280
专题中国科学院金属研究所
通讯作者Qin, FX (reprint author), Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China.; Tang, WY (reprint author), Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China.
推荐引用方式
GB/T 7714
Wang, F,Wang, H,Zhang, HF,et al. Superior azo-dye degradation of Fe-Si-B-P amorphous powders with graphene oxide addition[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2018,491:34-42.
APA Wang, F.,Wang, H.,Zhang, HF.,Dan, ZH.,Weng, N.,...&Tang, WY .(2018).Superior azo-dye degradation of Fe-Si-B-P amorphous powders with graphene oxide addition.JOURNAL OF NON-CRYSTALLINE SOLIDS,491,34-42.
MLA Wang, F,et al."Superior azo-dye degradation of Fe-Si-B-P amorphous powders with graphene oxide addition".JOURNAL OF NON-CRYSTALLINE SOLIDS 491(2018):34-42.
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