Use of Biodegradable Sorbents to the Decontamination of Polluted Soils
Journal Title: Analele Universitatii "Dunarea de Jos" din Galati. Fascicula IX, Metalurgie si Stiinta Materialelor - Year 2018, Vol 41, Issue 2
Abstract
The paper presents the decontamination of soils polluted with diesel, oils and other petroleum products. Soil decontamination is applied in-situ and ex-situ, depending on the surface and depth of the polluted area. The treatment time was 152 days, after which total hydrocarbon oil concentrations decreased for all experimental samples. The highest efficiency in reducing the concentration of petroleum products was in the case of samples treated with biodegradable sorbent and in the case of those treated with biodegradable sorbent mixture and biological sludge. Biodegradable non-waste materials have been used. The risk of migration of deep pollutants is low in the ex-situ version. Decontamination time is longer for high yields. In the case of older pollution, decontamination yields are low due to the presence of some 35% compounds, which do not migrate and are difficult to biodegrade under normal conditions.
Authors and Affiliations
Lucica BALINT
Keywords
Related Articles
- EP ID EP597744
- DOI -
- Views 51
- Downloads 0
Quality Assurance of Cylindrical Casted Parts with Small Thickness
The casting of the cylindrical parts with great diameter and small thickness and intermediary flange is difficult because of the great values of the forced contraction. Thus the value of the tensile stress is very great...
Air Pollution Control
Air pollution is an important issue nowadays, and combustion plants have a significant contribution in this regard. In this paper we are going to present some of the techniques that can be used to avoid creating pollutan...
Method and Procedure for Checking the Accuracy of the Scan-Indexing System of the NDTUT Equipment for Immersion Technique
This paper deals with the proposal of a method and procedure to verify the accuracy of the scanning-indexing system of the NDT-UT facility for immersion technique, using comparison with a plate of aluminum alloy plate, p...
Treatment of Wastewater Resulting from the Metallic Coatings Process
The technological cleaning processes of steel strip surfaces used in metal coatings require organic or inorganic chemicals with a high risk of toxicity. To avoid pollution, the water resulting from these processes must b...
Modelling by Finite Element Analysis Method of Stress State Establishing for an Steel Alloy
The paper presents some results about the tension state in samples subject to pure bending fatigue process. Numerical simulation based on finite element method was used. The tension field induced by a vertical deformatio...