DU Meng,ZHANG Min,LI Zong-chao,et al.Effectiveness of Macroporous Adsorption Resin for the Removal of Phenolic Environmental Hormones in Drinking Water[J].China Water & Wastewater,2021,37(7 7):49-57.
Effectiveness of Macroporous Adsorption Resin for the Removal of Phenolic Environmental Hormones in Drinking Water
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第37卷
Number:
7 7
Page:
49-57
Column:
Date of publication:
2021-04-01
- Keywords:
- macroporous adsorption resin; phenolic compound; environmental hormone; adsorption property
- Abstract:
- The effectiveness of macroporous adsorption resin for the removal of phenolic environmental hormones in drinking water was investigated. Three environmental hormones, namely m-cresol, 2,4-dichlorophenol and 2,4,6-trichlorophenol were chosen as the adsorbates, and the LX-T28 macroporous resin with the largest adsorption capacity was selected. Adsorption properties of three phenolic environmental hormones on LX-T28 were systematically explored by kinetic models. The results of adsorption kinetics indicated that the adsorption process of three phenolic environmental hormones on LX-T28 belonged to the quick adsorption type, and pseudo-second-order kinetic model could fit the experimental data well. The parameters which affected the removal efficiency of phenolic environmental hormones were optimized, and the optimum process conditions were obtained as follows: sample volume of 300 BV ( bed volume) with phenolic compounds concentration of 5 μg/mL, pH of 7.24, temperature of 35 ℃, flow velocity of 6 BV/h, and 95% ethanol volume of 9 BV with desorption flow velocity of 4 BV/h. Under the optimal conditions, the removal efficiencies of m-cresol, 2,4-dichlorophenol and 2,4,6-trichlorophenol were 76.9%, 88.1% and 89.7%, respectively.
Last Update:
2021-04-01