高等学校化学学报 ›› 2025, Vol. 46 ›› Issue (11): 20250240.doi: 10.7503/cjcu20250240

• 物理化学 • 上一篇    

钴(Ⅱ)@膦酸锆复合物的制备及催化过一硫酸盐降解藏红T的性质

侯晴梓, 王克菁, 李春闯, 邵倩, 郝海军(), 徐庆红()   

  1. 北京化工大学化学学院,北京 100029
  • 收稿日期:2025-08-31 出版日期:2025-11-10 发布日期:2025-09-25
  • 通讯作者: 徐庆红 E-mail:hjhao@mail.buct.edu.cn;xuqh@mail.buct.edu.cn
  • 作者简介:郝海军, 男, 博士, 副教授, 主要从事烯烃聚合催化剂合成方面的研究. E-mail: hjhao@mail.buct.edu.cn
  • 基金资助:
    国家自然科学基金(U1362113)

Preparation of Co2+@Zirconium-phosphonate Composite and Its Catalytic Properties on Degradation of Safranin T

HOU Qingzi, WANG Kejing, LI Chunchuang, SHAO Qian, HAO Haijun(), XU Qinghong()   

  1. School of Chemistry,Beijing University of Chemical Technology,Beijing 100029,China
  • Received:2025-08-31 Online:2025-11-10 Published:2025-09-25
  • Contact: XU Qinghong E-mail:hjhao@mail.buct.edu.cn;xuqh@mail.buct.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(U1362113)

摘要:

以骨架含有1,4,7,10-四氮杂环的膦酸锆ZrDP(由1,4,7,10-四膦酸亚甲基-1,4,7,10-四氮杂环十二烷与Zr4+在酸性水溶液中反应得到)为载体, 通过配位作用合成了一种Co2+负载型催化剂TTFA@Co2+@ZrDP (TTFA: 2-噻吩甲酰三氟丙酮), 并将该催化剂用于催化过一硫酸盐氧化降解藏红T反应. 研究发现, TTFA@Co2+@ZrDP的催化活性与其尺寸大小和负载的Co2+含量及分散度密切相关. 配体TTFA能够促进催化反应过程中电子的转移, 提升催化活性中心Co2+的催化能力. 在一定条件下, TTFA@Co2+@ZrDP催化过一硫酸盐氧化藏红T的降解率达到100%, 且催化剂具有良好的重复利用性.

关键词: 膦酸锆, 藏红T, 过一硫酸盐, 降解

Abstract:

A kind of composite catalyst TTFA@Co2+@ZrDP was prepared by coordination among Co2+, ZrDP(a kind of zirconium phosphonate with 1,4,7,10-tetraazaheterocyclic ring in skeleton) as carrier and TTFA(2-thiophene formyl trifluoroacetone) as chelating ligand. The catalytic activity of the composite was studied in the oxidation degradation reaction of safranin T in the presence of peroxymonosulfate as oxidant. The results indicate that the catalytic activity of TTFA@Co2+@ZrDP is closely related to its particle size, the content and dispersion of Co2+ supported, and TTFA is found to promote the transfer of electrons during the catalytic reaction and enhance the catalytic ability of the Co2+. 100% of Safranin T could be degraded by TTFA@Co2+@ZrDP under certain conditions in the presence of peroxymonosulfate and the catalyst has good reusability.

Key words: Zirconium phosphonate, Safranin T, Peroxymonosulfate, Degradation

中图分类号: 

TrendMD: