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Modelling of copper adsorption on ironhydroxide
2001 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis aims to help to explain some of the immobilisation processes in a particular granular ironhydroxide layer. In the first part, the pH-dependency of copper adsorption on ironhydroxide was investigated with deionised water as matrix. The result is that in the pH-range from 4.9 to 6.5, higher pH values corresponds to higher adsorption and the adsorption of copper on ironhydroxide could be well described by Langmuir isotherms. In the second part, influence of substances in roof water was investigated. Sampled roof water was used as matrix instead of nanopure water. The adsorption was once again shown to be pH-dependent, higher pH-value results in a higher adsorption. In this case the adsorption is better described with Freundlich isotherms. The result is that in the pH-range from 4.9 to 6.5, the adsorption in the roof water system was higher than for the deionised water, especially for the lower pH values. Thus, it can be concluded that there are substances in the roof water that affect the adsorption. The program AQUASIM 2.1 was used as a tool to model the copper adsorption on ironhydroxide. The goal of the modelling in this thesis is to investigate if a data model is able to describe the measured data.

Place, publisher, year, edition, pages
2001.
Keyword [en]
Technology, stormwater, copper, ironhydroxide, adsorption, Freundlich, Langmuir, Diffuse Double Layer model, dagvatten, koppar, järnhydroxid, adsorption
Keyword [sv]
Teknik
Identifiers
URN: urn:nbn:se:ltu:diva-49318ISRN: LTU-EX--01/239--SELocal ID: 6ac3794d-3ba8-4197-a78b-5fce6c875a20OAI: oai:DiVA.org:ltu-49318DiVA: diva2:1022665
Subject / course
Student thesis, at least 30 credits
Educational program
Environmental Engineering, master's level
Examiners
Note
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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Citation style
  • apa
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  • ieee
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  • vancouver
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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