Benzenecarboxylate surface complexation at the goethite (alpha-FeOOH)/water interface - III. The influence of particle surface area and the significance of modeling parameters
(2000) In Journal of Colloid and Interface Science 227. p.132-140- Abstract
- A surface complexation model describing the adsorption of three benzenecarboxylates (phthalate, trimellitate, and pyromellitate) on goethite (alpha-FeOOH) was calibrated on data using goethite particles of 37 and 43 m(2)/g surface area. The models predict potentiometric titration and batch adsorption data with the multisite complexation model coupled with the three-plane model to account for surface electrostatics. The modeling parameters were found to be similar to those calibrated on benzenecarboxylate adsorption data on goethite particles of 90 m(2)/g (Boily et al. Geochim. Cosmochim. Acta, in press). The significance of the benzenecarboxylate-dependent values of the modeling parameters is also discussed. The values of the capacitances... (More)
- A surface complexation model describing the adsorption of three benzenecarboxylates (phthalate, trimellitate, and pyromellitate) on goethite (alpha-FeOOH) was calibrated on data using goethite particles of 37 and 43 m(2)/g surface area. The models predict potentiometric titration and batch adsorption data with the multisite complexation model coupled with the three-plane model to account for surface electrostatics. The modeling parameters were found to be similar to those calibrated on benzenecarboxylate adsorption data on goethite particles of 90 m(2)/g (Boily et al. Geochim. Cosmochim. Acta, in press). The significance of the benzenecarboxylate-dependent values of the modeling parameters is also discussed. The values of the capacitances of the inner- and outer-Helmholtz planes were shown to be important modeling parameters to model the benzenecarboxylate-dependent slopes of the adsorption edges. It was shown that the larger the charge of the ligand, the larger the capacitance of the outer-Helmholtz plane. (C) 2000 Academic Press. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/4332606
- author
- Boily, J. F. ; Persson, Per LU and Sjoberg, S.
- publishing date
- 2000
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Journal of Colloid and Interface Science
- volume
- 227
- pages
- 132 - 140
- publisher
- Elsevier
- external identifiers
-
- scopus:0034235220
- pmid:10860603
- ISSN
- 1095-7103
- DOI
- 10.1006/jcis.2000.6886
- language
- English
- LU publication?
- no
- additional info
- 1
- id
- 19d62679-8f1b-4840-82e2-a299d38c73cc (old id 4332606)
- date added to LUP
- 2016-04-01 12:04:45
- date last changed
- 2022-01-26 22:29:38
@article{19d62679-8f1b-4840-82e2-a299d38c73cc, abstract = {{A surface complexation model describing the adsorption of three benzenecarboxylates (phthalate, trimellitate, and pyromellitate) on goethite (alpha-FeOOH) was calibrated on data using goethite particles of 37 and 43 m(2)/g surface area. The models predict potentiometric titration and batch adsorption data with the multisite complexation model coupled with the three-plane model to account for surface electrostatics. The modeling parameters were found to be similar to those calibrated on benzenecarboxylate adsorption data on goethite particles of 90 m(2)/g (Boily et al. Geochim. Cosmochim. Acta, in press). The significance of the benzenecarboxylate-dependent values of the modeling parameters is also discussed. The values of the capacitances of the inner- and outer-Helmholtz planes were shown to be important modeling parameters to model the benzenecarboxylate-dependent slopes of the adsorption edges. It was shown that the larger the charge of the ligand, the larger the capacitance of the outer-Helmholtz plane. (C) 2000 Academic Press.}}, author = {{Boily, J. F. and Persson, Per and Sjoberg, S.}}, issn = {{1095-7103}}, language = {{eng}}, pages = {{132--140}}, publisher = {{Elsevier}}, series = {{Journal of Colloid and Interface Science}}, title = {{Benzenecarboxylate surface complexation at the goethite (alpha-FeOOH)/water interface - III. The influence of particle surface area and the significance of modeling parameters}}, url = {{http://dx.doi.org/10.1006/jcis.2000.6886}}, doi = {{10.1006/jcis.2000.6886}}, volume = {{227}}, year = {{2000}}, }