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Now showing items 21-30 of 86
Removal of pesticides from water and wastewater: Chemical, physical and biological treatment approaches
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Elsevier B.V.
, 2020 , Article)
The levels of pesticides in water have increased due to their excessive use in the modern agricultural domain. Choosing a suitable water treatment method for pesticide removal depends on the type of pesticide and the ...
Water reuse: Brackish water desalination using Prosopis juliflora
(
Elsevier B.V.
, 2020 , Article)
Prosopis juliflora is a plant species that have the potential to yield significant environmental and economic benefits. It is used widely as a source of biofuel, food, feed and as an adsorbent in water treatment. In this ...
Material flow analysis of plastic waste in the gulf co-operation countries (GCC) and the Arabian gulf: Focusing on Qatar
(
Elsevier B.V.
, 2022 , Article)
Global plastic waste production has increased dramatically in recent years, both globally and regionally, having a multitude of adverse effects on the environment and human health. However, little attention has been directed ...
Experimental measurements and modelling of viscosity and density of calcium and potassium chlorides ternary solutions
(
Nature Research
, 2020 , Article)
Measured viscosity and density data for ternary aqueous solutions of CaCl2 and KCl are presented at temperatures between 293 and 323�K with 5�K increment. A modified Jones?Dole was introduced by adding extra terms and ...
Potential for native hydrocarbon-degrading bacteria to remediate highly weathered oil-polluted soils in Qatar through self-purification and bioaugmentation in biopiles
(
Elsevier B.V.
, 2020 , Article)
Petroleum-derived contamination events constitute a unique environmental issue in the arid areas because of the weathering processes, accentuated due to harsh conditions and representing the main origin of failure of ...
Enhancement of flocculation and shear resistivity of bentonite suspension using a hybrid system of organic coagulants and anionic polyelectrolytes
(
Elsevier B.V.
, 2020 , Article)
In this study, the influence of the hybrid coagulation-flocculation system on the flocculation and shear resistivity of bentonite suspension has been investigated. Two short-chained coagulants, polyamine and polyDADMAC, ...
Comparison GIS-Based interpolation methods for mapping groundwater quality in the state of Qatar
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Elsevier B.V.
, 2021 , Article)
Groundwater (GW) quality deterioration is one of the main water security issues in Qatar. GW in Qatar is over-exploited for agriculture activities that caused saltwater intrusion in the coastal areas and some inland GW. ...
Lead (Pb) bioaccumulation and antioxidative responses in Tetraena qataranse
(
Nature Research
, 2020 , Article)
Lead (Pb) is the second most toxic metal on Earth and is toxic to humans and other living things. In plants, Pb commonly inhibits growth when it is at a concentration in the soil of 30�mg/kg or more but several Pb tolerant ...
Effective removal of phenol from wastewater using a hybrid process of graphene oxide adsorption and UV-irradiation
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Elsevier B.V.
, 2022 , Article)
The focus of this work is the removal of phenol from water by graphene oxide (GO) nanoparticles, prepared by two different methods, through a hybrid adsorption?UV-irradiation process. The GO1 and GO2 were prepared using ...
Utilization of nano-olive stones in environmental remediation of methylene blue from water 03 Chemical Sciences 0306 Physical Chemistry (incl. Structural)
(
Springer
, 2020 , Article)
Background: The use of agricultural waste as a low-cost adsorbent for the removal of hazardous methylene blue (MB) from aqueous solution was investigated. In this research, the potentiality of using black nano olive stones ...