Highly dispersed single-atom Fe and Fe3O4 clusters anchored hierarchical-pore carbon as efficient persulfate activation catalyst
文献类型： 外文期刊
作者： Lin, Jiawei 1 ; Zhang, Hongfeng 2 ; Hu, Yongyou 3 ; Zhou, Hao 1 ; Wei, Linting 1 ; Zhao, Cheng 1 ; Dai, Xiaoxin 1 ; Wang, Qing 1 ; Zheng, Guangming 1 ; Yin, Yi 1 ;
作者机构： 1.Pearl River Fisheries Res Inst, Chinese Acad Fishery Sci, Guangdong Prov Key Lab Aquat Anim Immunol & Sustai, Key Lab Prevent & Control Aquat Invas Alien Specie, Guangzhou 510000, Peoples R China
2.Guangzhou Ctr Dis Control & Prevent, Guangzhou 510440, Peoples R China
3.South China Univ Technol, Guangzhou Higher Educ Mega Ctr, Sch Environm & Energy, Guangzhou 510006, Peoples R China
关键词： MIL-88B pyrolysis; Acid etching; Single-Atom Fe; Atomic clusters; Hierarchical-pore Carbon
期刊名称：SEPARATION AND PURIFICATION TECHNOLOGY （ 影响因子：9.0； 五年影响因子：8.5 ）
ISSN： 1383-5866
年卷期： 2025 年 358 卷
页码：
收录情况： SCI
摘要： The selective removal of Fe particles from carbonized Fe-MOFs presents an intriguing strategy for developing efficient peroxydisulfate (PDS) activators. It is commonly accepted that their outstanding performance is largely attributed to the high specific surface area/pore volume. However, our investigation into the structure-function relationship of these materials has revealed new insights. In this study, a highly dispersed single-atom Fe and Fe3O4 clusters anchored hierarchical-pore carbon (CM88-H) was obtained via post-acid treatment of carbonized MIL-88B (CM88). Various characterizations were comparatively conducted to highlight the beneficial effects of iron dissolution. The CM88-H/PDS system achieved a notable BPA degradation efficiency, with a reaction rate of 0.323 min-1, which is 3.94 times higher than that of the CM88/PDS system. DFT calculations indicate that the Fe3O4 clusters optimize the charge distribution around single-atom Fe, promoting favorable PDS adsorption and facilitating a higher oxidation state of CM88-H. As a result, BPA can be completely degraded within 10 min with 0.1 g L-1 CM88-H and 0.05 g L-1 PDS via both radical and non-radical pathways. The CM88-H/PDS/BPA system performs effectively under various conditions, with a general reduction in toxicity. Furthermore, the CM88-H/ PDS system shows broad oxidation activity towards BPA substitutes and pollutants with high ionization potential (IP). Notably, the CM88-H sponge-based fixed-bed catalytic reactor demonstrated satisfactory BPA degradation, highlighting the promising application of CM88-H in water purification. This study provides a sustainable solution for water treatment and accelerates the practical application of powdered nanocatalysts to improve water quality.
- 相关文献
作者其他论文 更多>>
-
Structure dependence of the enhanced sulfur tolerance of core-shell CoMn oxides for benzene oxidation: Discrepant sulfur species and less affected reactant activation
作者：Liu, Yang;Cheng, Lin;Zhang, Di;Zhan, Jingjing;Shan, Jiajia;Zhou, Hao;Yi, Xianliang;Li, Zhonghong;Shen, Xudong
关键词：VOCs; Catalytic oxidation; Manganese oxide; Cobalt decoration; Sulfur resistance
-
Copy Number Variations in Short Tandem Repeats Modulate Growth Traits in Penaeid Shrimp Through Neighboring Gene Regulation
作者：Zhou, Hao;Qiang, Guangfeng;Xia, Yan;Tan, Jian;Fu, Qiang;Luo, Kun;Meng, Xianhong;Chen, Baolong;Chen, Meijia;Sui, Juan;Dai, Ping;Li, Xupeng;Liu, Mianyu;Kong, Jie;Luan, Sheng;Zhou, Hao;Qiang, Guangfeng;Xia, Yan;Tan, Jian;Fu, Qiang;Luo, Kun;Meng, Xianhong;Chen, Baolong;Chen, Meijia;Sui, Juan;Dai, Ping;Li, Xupeng;Liu, Mianyu;Kong, Jie;Luan, Sheng;Xing, Qun
关键词：short tandem repeats; STR; growth trait; penaeid shrimp; molecular breeding
-
Cyprinid herpesvirus 3 replication is inhibited via decreased ORF3 promoter activity mediated by multiple cellular transcription factors
作者：Liu, Donghai;Wang, Yingying;Li, Yingying;Mo, Xubing;Yin, Jiyuan;Wang, Qing;Zheng, Shucheng;Liu, Donghai
关键词：Cyprinid herpesvirus 3; Koi herpesvirus; ORF3; Promoter; Transcription factors
-
Enhanced virulence of Acinetobacter johnsonii at low temperatures induces acute immune response and systemic infection in American bullfrogs (Aquarana catesbeiana)
作者：Lin, Han;Sun, Jingyang;Li, Hua;Chen, Kesong;Qin, Zhendong;Jiang, Biao;Li, Wei;Su, Youlu;Lin, Li;Liu, Chun;Wang, Qing;Wang, Qing
关键词：Cold stress; Virulence genes; Amphibian disease; Immune response; Systemic infection
-
Residue Behavior and Risk Assessment of Diazepam and Its Metabolites in Crucian Carp (Carassius auratus) After Oral Administration
作者：Shan, Qi;Zhou, Hao;Lin, Jiawei;Li, Lichun;Yin, Yi;Shan, Qi;Zhou, Hao;Lin, Jiawei;Li, Lichun;Yin, Yi;Shan, Qi;Zhou, Hao;Lin, Jiawei;Li, Lichun;Yin, Yi;Huang, Xiaosheng;Ye, Shucai;Li, Jianqiang;Xu, Feng
关键词：crucian carp; diazepam; residue behavior; risk assessment; tissue distribution
-
Rapid determination of fipronil and its metabolites in aquatic products by modified QuEChERS method coupled with UPLC-MS/MS
作者：Ma, Lisha;Zhou, Hao;Lin, Jiawei;Yin, Yi;Shan, Qi;Li, Lichun;Wei, Ningting;Dai, Xiaoxin;Zhao, Cheng;Liu, Shugui
关键词：Fipronil; aquatic products; UPLC-MS/MS; QuEChERS; risk assessment; analysis methods
-
Alpha-MnO2 catalyst with high formaldehyde oxidation and moisture resistance by joint cerium modification and phosphoric acid post-treatment
作者：Chen, Tian-Yun;Liu, Yang;Zhan, Jingjing;Zhou, Hao;Yi, Xianliang;Li, Zhonghong;Shen, Xudong
关键词：Indoor air; Formaldehyde; Catalytic oxidation; Moisture resistance; Manganese oxide
