文献类型：期刊文献

英文题名：Construction of Large-Pore Crystalline Covalent Organic Framework as High-Performance Adsorbent for Rhodamine B Dye Removal

作者：Xu, Ting[1,2];An, Shuhao[1,2];Peng, Changjun[1,2];Hu, Jun[1,2];Liu, Honglai[1,2]

机构：[1]East China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China

年份：2020

卷号：59

期号：17

起止页码：8315

外文期刊名：INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH

收录：;EI(收录号：20202108679213);WOS:【SCI-EXPANDED(收录号:WOS:000529884300019)】；

基金：This work is supported by the National Natural Science Foundation of China (No.21776069) and China Postdoctoral Science Foundation (No. 2019M661408).

语种：英文

外文关键词：Stability - Activated carbon

摘要：Covalent organic frameworks (COFs) endowed with predesignable porous structures have shown great promise for addressing environmental issues. Herein, we described the synthesis and characterization of a novel triazine-based two-dimensional COF Ttba-TPDA-COF with accessible 5.8 nm large pore, which then used as a porous adsorbent for the static and dynamic adsorption of Rhodamine B dye from aqueous solution. The obtained large-pore COF with high surface area, uniform mesopore environment, and structural stability achieved an impressive performance that contains saturation capacity of 833 mg g(-1), kinetic efficiency, durability over pH and salt concentration, and good sustainable capability. In addition, a superior dynamic adsorption behavior of Ttba-TPDA-COF compared to commercial activated carbon was found in a column system. These results suggest the great potential of COFs as designable porous materials for various environmental remediation applications.