Environmental behaviour of strontium in some salt affected soils along the Western North coast of Egypt

Eissa, Doaa; Abou-Shady, Ahmed; Ismail, Sahar Mohamed

doi:10.21608/asejaiqjsae.2018.6688

Alexandria Science Exchange Journal

2018

DOI: 10.21608/asejaiqjsae.2018.6688

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Environmental behaviour of strontium in some salt affected soils along the Western North coast of Egypt

Doaa Eissa

Ahmed Abou-Shady

Sahar Mohamed Ismail

Abstract: To compare the concentration of median Sr in the studied area with its concentrations in the land of the African continent and the world, the median Sr in the western north coast of Egypt (449 mg/kg) appear to be very close to the empirical data value from Africa and higher than the empirical data value globally.

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Cited by 2 publications

References 24 publications

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Optimizing electrokinetic remediation for pollutant removal and electroosmosis/dewatering using lateral anode configurations

Abou-Shady,

Eissa,

Abd-Elmottaleb

et al. 2024

Sci Rep

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Soil electrokinetics (SEK) research has been widely used in various fields such as soil remediation, dewatering, land restoration, geophysics, sedimentation, pollution prevention, consolidation, and seed germination. According to our most recent published research on SEK process design modifications during the last 30 years (1993–2022), more than 150 designs have been introduced to assure SEK’s maximum performance. Incorporating lateral electrodes/anodes was not documented in the existing literature, which motivated us to investigate the output of this design. In this study, we aimed to enhance the performance of the perforated cathode pipe soil electrokinetic remediation (SEKR) system (PCPSS) for removing inorganic pollutants by installing lateral anodes (LA-PCPSS) using two approaches. In the first approach, the LA-PCPSS was connected to different sources of applied voltages (DSAV) from different power supplies, while in the second approach, the entire operation system was connected to the same source of applied voltage (SSAV). We used the Taguchi approach (L9OA) to determine the optimal levels of applied voltages for the DSAV system. The results indicated that the DSAV-(LA-PCPSS) could be optimized at an applied voltage of 1 V cm−1 for the surface and the first and second lateral anodes. The indigenous Sr (elements found in the tested soil without artificial pollution) in kaolinite showed the best response among other elements (Ni and other indigenous elements) when optimizing the DSAV-(LA-PCPSS) using the Taguchi approach. Installing lateral anodes (position B) supplied to low applied voltage (0.5 V cm−1) improved the electroosmosis (EO) rate/dewatering. Reverse migration of ions was observed during the remediation of real contaminated soil using the SSAV-(LA-PCPSS). The DSAV-(LA-PCPSS) is considered an appropriate design for the SEKR of inorganic pollutants, and increases the EO flow/dewatering. Additionally, the increased energy consumption employing the DSAV-(LA-PCPSS) was extremely minimal compared to the traditional PCPSS, which is an economic advantage for SEKR research. The DSAV-(LA-PCPSS) is still under optimization/intensification process, and subsequent processes will be examined to achieve high efficiency.

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Optimizing electrokinetic remediation for pollutant removal and electroosmosis/dewatering using lateral anode configurations

Abou-Shady,

Eissa,

Abd-Elmottaleb

et al. 2024

Sci Rep

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GIS-Based Assessment of Soil Chemical and Physical Properties as a Basis for Land Reclamation in Toshka Area, Aswan, EGYPT

Awad¹,

Al-Soghir²

2023

OJG

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The accurate assessment of soil properties is a crucial factor for composing and implementing reclamation plans. The main objective of this study was to evaluate soil chemical and physical properties and calculate the chemical and fertility index for assisting land reclamation in Toshka area. The Toshka area is located between latitudes 31˚32'N and 31˚36'N and longitudes 32˚40'E and 32˚60'E. GIS was used to select 16 sites. The results revealed the soil has undesirable characteristics. The soil pH ranged from slightly alkaline to moderately alkaline. Furthermore, it was characterized as saline (with a ECe of 4.65 -11.45 dS•m −1 ) and moderately calcareous soil (with CaCO 3 at 11.85% -17.20%). The soil had a low soil organic matter content which did not exceed 0.18%. The soil was dominated by a sandy loam texture (62.50%) followed by a sandy clay loam texture (18.75%). The bulk density, total soil porosity and saturated hydraulic conductivity values varied with 1.38 -1.55 Mg•cm −3 , 41.85% -48.45% and 1.20 -3.34 cm•h −1 , respectively. The chemical index ranged from low to moderate quality. The correlations between the parameters osculated between negative and positive. Therefore, the soil may be reclaimed if the soil properties are improved and crop selection is optimized for this soil.

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Environmental behaviour of strontium in some salt affected soils along the Western North coast of Egypt

Cited by 2 publications

References 24 publications

Optimizing electrokinetic remediation for pollutant removal and electroosmosis/dewatering using lateral anode configurations

Optimizing electrokinetic remediation for pollutant removal and electroosmosis/dewatering using lateral anode configurations

GIS-Based Assessment of Soil Chemical and Physical Properties as a Basis for Land Reclamation in Toshka Area, Aswan, EGYPT

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