3. Special processing materials
The main physico-chemical processes involved in pollutant retention are adsorption, ion exchange, precipitation, complexation and redox.
Retention agents are selected on a case-by-case basis according to the nature of the organic and/or inorganic pollutants present.
Reactive materials can act on pollutants by :
chemical or biological degradation ;
modification of their chemical form ;
adsorption.
The following specific materials can be used to retain pollutants, but this is by no means an exhaustive list.
3.1 Metal
Iron metal is the material most often used in...
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Special processing materials
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References
- (1) - TOUZÉ (S.), CHARTIER (R.), GABORIAU (H.) - État de l'art sur les barrières perméables réactives (BPR). Réalisations, expériences, critères décisionnels et perspectives. - RECORD/BRGM, 167 p. http://www.record-net.org/record/download.php ...
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