Degradation of polyamide nanofiltration and reverse osmosis membranes by hypochlorite.

@article{Do2012DegradationOP,
  title={Degradation of polyamide nanofiltration and reverse osmosis membranes by hypochlorite.},
  author={Van Thanh Do and Chuyang Y. Tang and Martin Reinhard and James O. Leckie},
  journal={Environmental science & technology},
  year={2012},
  volume={46 2},
  pages={
          852-9
        }
}
The degradation of polyamide (PA) nanofiltration and reverse osmosis membranes by chlorine needs to be understood in order to develop chlorine-resistant membranes. Coated and uncoated fully aromatic (FA) and piperazine (PIP) semi-aromatic PA membranes were treated with hypochlorite solution and analyzed by X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR). XPS results showed that in chlorine treated FA PA membranes the ratio of bound chlorine to surface nitrogen was 1… CONTINUE READING
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