YANGQi-wen,WANGPu,LEIYan.Adsorption Performances of Pb(Ⅱ) and Sulfamethazine by Polyethyleneimine Nano Crosslinked Resin[J].China Water & Wastewater,2022,38(17):93-99.
Adsorption Performances of Pb(Ⅱ) and Sulfamethazine by Polyethyleneimine Nano Crosslinked Resin
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第38卷
Number:
第17期
Page:
93-99
Column:
Date of publication:
2022-09-01
- Abstract:
- Polyethyleneimine (PEI) nanoparticles were loaded onto sulfonic acid groups modified hyper-crosslinked resin by ultrasonic assisted impregnation to prepare H-01-PEI resin, and its adsorption performance of Pb(Ⅱ) and sulfamethazine (SZ) was investigated. Both Langmuir and Freundlich models were suitable for fitting the adsorption process of Pb(Ⅱ). The co-existing SZ enhanced the adsorption of Pb(Ⅱ) by H-01-PEI resin. However, this enhancement effect gradually decreased with the increase of SZ concentration. Langmuir model was more suitable for fitting the adsorption of SZ by H-01-PEI resin. In the composite system, the concentration of co-existing Pb(Ⅱ) affected the adsorption of SZ by H-01-PEI resin, which had a weak enhancement effect at low concentration and an inhibition effect at high concentration. Sulfonamide antibiotics often exist in trace amounts in actual water, and the coexistence of such low concentration of antibiotics could enhance the adsorption of Pb(Ⅱ) by H-01-PEI resin. Therefore, H-01-PEI resin is capable of achieving the simultaneous removal of Pb(Ⅱ) and SZ.
Last Update:
2022-09-01