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On chelating surfactants: Molecular perspectives and application prospects
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN; Surface and Colloid Engineering)ORCID iD: 0000-0001-6270-2970
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN; Surface and Colloid Engineering)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN; Surface and Colloid Engineering)ORCID iD: 0000-0002-5579-3373
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (FSCN; Surface and Colloid Engineering)ORCID iD: 0000-0003-3407-7973
2019 (English)In: Journal of Molecular Liquids, ISSN 0167-7322, E-ISSN 1873-3166, Vol. 278, p. 688-705Article in journal, Editorial material (Refereed) Published
Abstract [en]

Chelating agents, molecules that very strongly coordinates certain metal ions, are used industrially as well as in consumer products to minimize disturbances and increase performance of reactions and applications. The widely used sequestering agents, nitrilotriacetic acid (NTA), ethylenediaminetetraacetic acid (EDTA) and diethylenetriaminepentaacetic acid (DTPA) belong to this branch of readily water-soluble compounds. When these chemical structures also have hydrophobic parts, they are prone to adsorb at air-water interfaces and to self-assemble. Such bifunctional molecules can be called chelating surfactants and will have more extended utilization prospects than common chelating agents or ordinary ionic surfactants. The present review attempts to highlight the fundamental behavior of chelating surfactants in solution and at interfaces, and their very specific interactions with metal ions. Methods to recover chelating surfactants from metal chelates are also described. Moreover, utilization of chelating surfactants in applications for metal removal in environmental engineering and mineral processing, as well as for metal control in the fields of biology, chemistry and physics, is exemplified and discussed.

Place, publisher, year, edition, pages
2019. Vol. 278, p. 688-705
Keywords [en]
Chelating surfactants, Metallosurfactants, Amphiphiles, Self-assembly, Metal-coordination, Sequestering agents, Complexing agents, Remediation, Flotation, Metal recovery, Recovery, Catalysis, Metalloenzymes, Contrast agents, Nanoparticle synthesis, Applications
National Category
Mineral and Mine Engineering Nano Technology Bioremediation Water Treatment Environmental Management Paper, Pulp and Fiber Technology Bio Materials Biocatalysis and Enzyme Technology Chemical Engineering Other Chemical Engineering Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:miun:diva-35610DOI: 10.1016/j.molliq.2019.01.076ISI: 000461526600074Scopus ID: 2-s2.0-85061119211OAI: oai:DiVA.org:miun-35610DiVA, id: diva2:1286881
Available from: 2019-02-08 Created: 2019-02-08 Last updated: 2019-05-20Bibliographically approved

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Eivazihollagh, AlirezaSvanedal, IdaEdlund, HåkanNorgren, Magnus

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Mineral and Mine EngineeringNano TechnologyBioremediationWater TreatmentEnvironmental ManagementPaper, Pulp and Fiber TechnologyBio MaterialsBiocatalysis and Enzyme TechnologyChemical EngineeringOther Chemical EngineeringOther Engineering and Technologies not elsewhere specified

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