Diseminare

A XV - a Conferinta ESRI Romania si Trimble - septembrie 2008

GIS TECHNOLOGIES FOR POLLUTION RISK ASSESMENT BASED ON ELECTROKINETIC BIOREMEDIATION TECHNOLOGIES
Autori: Ovidiu Anicai(1), Liana Anicai(2), Constantin Ana(2)
(1) Institute for Computers - ITC SA, Calea Floreasca 167, Sector 1, Bucharest, oanicai@itcnet.ro
(2) PSV COMPANY SA, Div.of Ecological Technologies Development, Calea Grivitei 8-10, 010772, Bucharest

The paper presents an ensemble of software modules, integrated in a single platform, suitable for oil products based pollution risk management through processes of identification, analysis, monitoring/systematic reporting of soil and groundwater pollution risk factors, through execution of plans to reduce pollution by means of involvement of some innovative in-situ technologies based on electrokinetic bioremediation.
Several aspects dealing with the use of GIS technologies to monitor both the pollution and restoration issues as well as some preliminary information on a data model generation able to collect and manage an extended range of information that may be spatially integrated are discussed.
Also, the paper presents some preliminary laboratory experimental tests regarding the influence of some operating parameters (applied potential, electrodes type, electrodes distribution) on the degradation rate of some organic compounds as contaminant agents (e.g. phenol) with permanent recording of soil water content, pH.
Software implementation will use modalities that are similar to those met in the specific reference European methodology, integrating the application of geographical information systems (GIS) through specialized modules (with ESRI –ArcGIS- ArcView) and the involvement of imagistic controlling that will provide significant information on the health state of a specific area towards an interested authority and will contribute to take strategical and tactical decisions in order to prevent and to act by means of planning, budgeting and monitoring of the economical/social performance. The obtained values of the indicators of soil and groundwater oil pollution will be represented at territorial scale, so that the pollution risk assesment digital maps will be obtained; on their basis critical areas will be evidenced in the case of pollution and the information maintenance/updating will be kept in a spatial database, a history of these interest values being able to be built. Due to the complexity of the analysis, the deep approach of each distinct component is necessary, so that it is to be able to optimally contribute within the entire ensemble towards application of a hazard-vulnerability-risk assessment methodology at the impact level of soil and groundwater pollution for the specific pilot area selected for the analysis.

CONFERINTA INTERNATIONALA DE CHIMIE SI INGINERIE CHIMICA, Timisoara 28-30 Mai 2008

ELECTROKINETIC REMEDIATION OF CONTAMINATED SOILS AND POLLUTION MONITORING INVOLVING GIS TECHNOLOGIES
Autori: Ovidiu Anicai, Roxana Dumitrache, Mihai Dutu, Constantin Ana
Institutul pentru Tehnica de Calcul– ITC SA
PSV Company Bucuresti, Directia Implementare Tehnologii Ecologice

Imagini

Among in-situ restoration technologies based on physical-chemical phenomena, the electrokinetic remediation attracted an increased interest of scientists and final users. It can be applied alone or associated with other treatments (e.g. bioremediation) and enhances directly or indirectly the degradation rate of the pollutant agent.
Generally, the electroremediation procedure is based on applying of a potential difference between several electrodes distributed in various configurations and positioned at different distances onto the soil subjected to ecological restoration in depth, thus creating an electrical field. Under the action of the imposed electrical field the contaminant agent is mobilized due to the electrokinetic forces from one electrode area towards the other one where it is collected and then removed. Contaminants migration under the action of an imposed electrical field is done through electroosmosis, electromigration and/or electrophoresis processes.
With this in view, the paper presents some preliminary laboratory experimental tests regarding the influence of some operating parameters (applied potential, electrodes type, electrodes distribution) on the degradation rate of some organic compounds as contaminant agents (e.g. phenol) with permanent recording of soil water content, pH. Additionally, several aspects dealing with the use of GIS technologies to monitor both the pollution and restoration issues as well as some preliminary information on a data model generation able to collect and manage an extended range of information that may be spatially integrated are also discussed.
Acknowledgements
The presented experimental activities are financially supported by the Romanian Ministry of Education and Research, PNCDI II Program under Research Contract No11036/2007

Conferinta Internationala "Studenti pentru studenti", editia a-V-a, din 18-20 aprilie 2008
Aspecte privind evaluarea eficientei de decontaminare a solurilor poluate cu produse petroliere utilizand procedee de bioremediere accelerate in-situ
Autori: Roxana Dumitrache, Liana Anicai, Ion Onutu (Premiul III)
PSV Company Bucuresti, Directia Implementare Tehnologii Ecologice