The remediation of contaminated soils is one of today's major environmental problems in industrial countries. Among the different techniques which can be applied, in situ bioremediation, which relies upon the use of indigeneous microorganisms to degrade the contaminant, is one of the most attractive, both from an environmental and an economic viewpoint.A (macroscopic) cellular automata model is presented here, which describes the major phenomena which take place in bioremediation. The reasons why macroscopic cellular automata have been used are discussed. The model is hierarchical, and is composed by i) a fluid dynamical layer, which describes multiphase flow through the soil, ii) a solute description layer, which deals with solute transport, adsorption/desorption, chemical reactions and iii) a biological layer, which describes biomass growth and its interaction with the different chemicals.The model has been tested in a pilot plant, in the case of contamination by phenol.

Bioremediation simulation models / Serra, Roberto; Di Gregorio, S.; Villani, Marco; Andretta, M.. - STAMPA. - (1998), pp. 125-153. (Intervento presentato al convegno Biotechnology for soil remediation tenutosi a Milano nel 27-28 November 1997).

Bioremediation simulation models

SERRA, Roberto;VILLANI, Marco;
1998

Abstract

The remediation of contaminated soils is one of today's major environmental problems in industrial countries. Among the different techniques which can be applied, in situ bioremediation, which relies upon the use of indigeneous microorganisms to degrade the contaminant, is one of the most attractive, both from an environmental and an economic viewpoint.A (macroscopic) cellular automata model is presented here, which describes the major phenomena which take place in bioremediation. The reasons why macroscopic cellular automata have been used are discussed. The model is hierarchical, and is composed by i) a fluid dynamical layer, which describes multiphase flow through the soil, ii) a solute description layer, which deals with solute transport, adsorption/desorption, chemical reactions and iii) a biological layer, which describes biomass growth and its interaction with the different chemicals.The model has been tested in a pilot plant, in the case of contamination by phenol.
1998
Biotechnology for soil remediation
Milano
27-28 November 1997
125
153
Serra, Roberto; Di Gregorio, S.; Villani, Marco; Andretta, M.
Bioremediation simulation models / Serra, Roberto; Di Gregorio, S.; Villani, Marco; Andretta, M.. - STAMPA. - (1998), pp. 125-153. (Intervento presentato al convegno Biotechnology for soil remediation tenutosi a Milano nel 27-28 November 1997).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/699908
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