AustralieFrV1, Main, Exploration, bibRecord, 00A632

Feasibility study of a polymer based diffusion delivery system for ethanol to promote reducing conditions and enhanced bioremediation of contaminated groundwater

Identifieur interne : 00A632 ( Main/Exploration ); précédent : 00A631; suivant : 00A633

Feasibility study of a polymer based diffusion delivery system for ethanol to promote reducing conditions and enhanced bioremediation of contaminated groundwater

Auteurs : Michelle E. Grassi [Australie] ; Bradley M. Patterson [Australie] ; Blair S. Robertson [Australie] ; Greg B. Davis [Australie] ; Allan J. Mckinley [Australie]

Source :

IAHS-AISH publication [ 0144-7815 ] ; 2005.

RBID : Pascal:05-0389627

Descripteurs français

Pascal (Inist)
- Etude faisabilité, Polymère, Diffusion, Biotraitement, Eau souterraine, Aquifère, In situ, Solution, Contamination, Etude expérimentale, Modèle, Prévision, Traitement eau, Carbone, Nitrate, Elément métallique, Barrière géochimique, Pollution, Solution aqueuse, Etude laboratoire, Barrière réactive perméable.
Wicri :
- topic : Polymère, Eau souterraine, Carbone, Pollution.

English descriptors

KwdEn :
- aqueous solutions, aquifers, bioremediation, carbon, contamination, diffusion, experimental studies, feasibility studies, geochemical barriers, ground water, in situ, laboratory studies, metals, models, nitrates, pollution, polymers, prediction, solution, water treatment.

Abstract

The use of hollow-fibre silicone (poly(dimethylsiloxane)) tubing coiled and shaped as mats has been evaluated for its potential to act as an in situ permeable reactive barrier (PRB) for the controlled and targeted delivery of ethanol, to promote reducing conditions and enhanced bioremediation of a range of contaminants in groundwater. Aqueous ethanol solutions were recirculated through the inner volume of the silicone polymer tubing to allow permeation and delivery of ethanol by diffusion through the tubing wall to a target contamination zone. Laboratory and field experiments showed similar ethanol mass flux delivery which was consistent with model predictions. This study also shows promising laboratory and field simulations of this innovative amendment delivery system to predictably deliver ethanol as a carbon source for the promotion of in situ reducing reactive zones for the bioremediation of nitrate and metal contaminated groundwater.

Affiliations:

Australie

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Le document en format XML

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<front><div type="abstract" xml:lang="en">The use of hollow-fibre silicone (poly(dimethylsiloxane)) tubing coiled and shaped as mats has been evaluated for its potential to act as an in situ permeable reactive barrier (PRB) for the controlled and targeted delivery of ethanol, to promote reducing conditions and enhanced bioremediation of a range of contaminants in groundwater. Aqueous ethanol solutions were recirculated through the inner volume of the silicone polymer tubing to allow permeation and delivery of ethanol by diffusion through the tubing wall to a target contamination zone. Laboratory and field experiments showed similar ethanol mass flux delivery which was consistent with model predictions. This study also shows promising laboratory and field simulations of this innovative amendment delivery system to predictably deliver ethanol as a carbon source for the promotion of in situ reducing reactive zones for the bioremediation of nitrate and metal contaminated groundwater.</div>
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Feasibility study of a polymer based diffusion delivery system for ethanol to promote reducing conditions and enhanced bioremediation of contaminated groundwater

Feasibility study of a polymer based diffusion delivery system for ethanol to promote reducing conditions and enhanced bioremediation of contaminated groundwater

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri