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Towards a better understanding of biopolymer natural organic matter fraction removal by anion exchange resins

Emile Cornelissen (UGent) , Pieter Vermeir (UGent) , Jeriffa De Clercq (UGent) and Elien Laforce (UGent)
(2023) 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings. p.119-120
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Abstract
The removal of biopolymer natural organic matter surrogates (uncharged dextran and anionic alginate, both polysaccharides) spiked in ultra-pure (UP) and tap water was investigated with weak (WBA) and strong (SBA) basic anion exchange resins (AER). It was found that SBA resins with OFT counter ions could remove up to 95% of the dextran by Hbonding in UP water, while ions present in tap water, including the anionic humics, impeded this interaction. Alginate was moderately removed (less than 50%) by ion exchange (IEX) with WBA and SBA resins in both UP and tap water, while WBA and SBA resins achieved a good humics removal (over 90%) from tap water by IEX. It is suggested that the larger size and more hydrophilic nature of alginate compared to humics explain these differences.
Keywords
ion exchange, biopolymers, removal mechanisms

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MLA
Cornelissen, Emile, et al. “Towards a Better Understanding of Biopolymer Natural Organic Matter Fraction Removal by Anion Exchange Resins.” 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings, IWA, 2023, pp. 119–20.
APA
Cornelissen, E., Vermeir, P., De Clercq, J., & Laforce, E. (2023). Towards a better understanding of biopolymer natural organic matter fraction removal by anion exchange resins. 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings, 119–120. IWA.
Chicago author-date
Cornelissen, Emile, Pieter Vermeir, Jeriffa De Clercq, and Elien Laforce. 2023. “Towards a Better Understanding of Biopolymer Natural Organic Matter Fraction Removal by Anion Exchange Resins.” In 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings, 119–20. IWA.
Chicago author-date (all authors)
Cornelissen, Emile, Pieter Vermeir, Jeriffa De Clercq, and Elien Laforce. 2023. “Towards a Better Understanding of Biopolymer Natural Organic Matter Fraction Removal by Anion Exchange Resins.” In 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings, 119–120. IWA.
Vancouver
1.
Cornelissen E, Vermeir P, De Clercq J, Laforce E. Towards a better understanding of biopolymer natural organic matter fraction removal by anion exchange resins. In: 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings. IWA; 2023. p. 119–20.
IEEE
[1]
E. Cornelissen, P. Vermeir, J. De Clercq, and E. Laforce, “Towards a better understanding of biopolymer natural organic matter fraction removal by anion exchange resins,” in 8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings, Boksburg, South Africa, 2023, pp. 119–120.
@inproceedings{01HNWX2CTNHBFD64HH6J8RGEAP,
  abstract     = {{The removal of biopolymer natural organic matter surrogates (uncharged dextran and anionic alginate, both polysaccharides) spiked in ultra-pure (UP) and tap water was investigated with weak (WBA) and strong (SBA) basic  anion exchange resins (AER). It was found that SBA resins with OFT counter ions could remove up to 95% of the dextran by Hbonding in UP water, while ions present in tap water, including the anionic humics, impeded this interaction. Alginate was moderately removed (less than 50%) by ion exchange (IEX) with WBA and SBA resins in both UP and tap water, while WBA and SBA resins achieved a good humics removal (over 90%) from tap water by IEX. It is suggested that the larger size and more hydrophilic nature of alginate compared to humics explain these differences.}},
  author       = {{Cornelissen, Emile and Vermeir, Pieter and De Clercq, Jeriffa and Laforce, Elien}},
  booktitle    = {{8th International Water Association Specialist Conference On Natural Organic Matter, Proceedings}},
  keywords     = {{ion exchange,biopolymers,removal mechanisms}},
  language     = {{eng}},
  location     = {{Boksburg, South Africa}},
  pages        = {{119--120}},
  publisher    = {{IWA}},
  title        = {{Towards a better understanding of biopolymer natural organic matter fraction removal by anion exchange resins}},
  year         = {{2023}},
}