Citation: Jin Nan Wang, Ai Min Li Yang Zhou, Li Xu. Study on the influence of humic acid of different molecular weight on basic ion exchange resin's adsorption capacity[J]. Chinese Chemical Letters, ;2009, 20(12): 1478-1482. doi: 10.1016/j.cclet.2009.07.013 shu

Study on the influence of humic acid of different molecular weight on basic ion exchange resin's adsorption capacity

State Key Laboratory of Pollution Control and Resource Reuse & School of the Environment, Nanjing University, Nanjing 210093, China

Received Date: 14 April 2009

Fund Project: We gratefully acknowledge generous support provided by the National Nature Science Fund (No.50778088) and China National Funds for Distinguished Young Scientists (No.50825802) and Resources Special Subject of National High Technology Research & Development Project (863 projectNo.2006AA06Z383)China.

In this paper, humic acid (HA) was ultra-filtered into different molecular weight sections and was characterized by multielementanalysis, UV₂₅₄/TOC, FT-IR and three-dimensional fluorescence spectrometric.Since humic acids of different molecular weights have different hydrophilic and molecular size, the maximum adsorption capacity of basic ion exchange resins appears on the humic acid whose molecular weight ranges from 6000 to 10,000 Da.
- Humic acid,
- Molecular weight,
- Basic ion exchange resin,
- Adsorption
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