Applicability of disulfide-polymer particles surface embedded on alginate beads for cadmium removal from airport derived stormwater

Dongah Ko, Hyowon Kim, Hansaem Lee, Cafer T. Yavuz, Henrik R. Andersen, Yuhoon Hwang

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Stormwater runoff derived from airports causes severe cadmium contamination in excess of the maximum limit level and is difficult to treat due to the irregular contamination levels from scattered rainfall. To overcome this and remove cadmium from runoff, a new reactive filtration column is introduced. Sulfur functionalized polymer particles were successfully embedded onto the surface of alginate bead (DiS-algi) and simulated a real stormwater treatment filtration column. The DiS-algi shows 22.3mg/g of batch and 877μg/g of continuous flow sorption capacity. Also, the results for the new sorption material show that within 6mins half of the cadmium was removed with 31L/mg of Langmuir sorption affinity, outperforming an activated carbon filter. From a breakthrough test the reactive column shows complete uptake of cadmium from a contaminated flow, lasting two hours until reaching the breakthrough point. Furthermore, regeneration tests of the column verified its reusability. DiS-algi appears to be a viable new cadmium sorption material for airport derived stormwater runoff filtration systems.
Original languageEnglish (US)
Pages (from-to)4124-4129
Number of pages6
JournalJournal of Environmental Chemical Engineering
Volume6
Issue number4
DOIs
StatePublished - Aug 1 2018
Externally publishedYes

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Pollution
  • Process Chemistry and Technology
  • Chemical Engineering (miscellaneous)

Fingerprint

Dive into the research topics of 'Applicability of disulfide-polymer particles surface embedded on alginate beads for cadmium removal from airport derived stormwater'. Together they form a unique fingerprint.

Cite this