Copper metal elimination from polluted soil by electro-kinetic technique

The electro kinetic method is one of the common methods in the process of pollutants removal. In this paper, the process of removing copper from contaminated soil has been studied. Some improved conditions were used in this process; the pH of the solution was changed for each experiment during the f...

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Bibliographic Details
Published in:Environmental monitoring and assessment 2023-04, Vol.195 (4), p.443-443, Article 443
Main Authors: Hawal, Laith Hamdan, saeed, Khitam abdulhussein, Al-Sulttani, Ali Omran
Format: Article
Language:English
Subjects:
Adsorbents
Atmospheric Protection/Air Quality Control/Air Pollution
Capacity
Copper
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental aspects
Environmental Management
Environmental Monitoring
Environmental Pollutants
Environmental science
Experiments
Fibers
Heavy metals
Metals
Monitoring/Environmental Analysis
Osmosis
pH effects
Pollutants
Removal
Reversed flow
Sodium
Sodium dodecyl sulfate
Sodium lauryl sulfate
Soil
Soil contamination
Soil pollution
Soil surfaces
Soils
Sulfates
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Summary:The electro kinetic method is one of the common methods in the process of pollutants removal. In this paper, the process of removing copper from contaminated soil has been studied. Some improved conditions were used in this process; the pH of the solution was changed for each experiment during the first three experiments. SDS (sodium dodecyl sulfate) has been used as an activator to improve the removal process by washing the soil with it. Date palm fibers (DPF) were also used as an adsorbent material to counteract the reverse flow that occurred during the removal process, thus increasing the removal value. Various experiments were performed, where it was observed that by decreasing the pH, the removal capacity was increased. The removal capacity in the three different experiments were 70% at pH 4, 57% at pH 7, and 45% at pH 10. The use of SDS as a solution in the process increased the dissolution and absorption of copper from the soil surface and then increased the removal capacity (74%). The use of DPF to counter the osmosis flow has been successful in adsorbing the pollutants (copper) returning from this flow, and thus this material can be considered good from an economic and environmental aspect when compared to other commercial adsorbents.
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-023-11057-4