Autor: Al Juboury, Maad F. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: MgFe-doubled layers hydroxide intercalated with low cost local adsorbent using for removal of lead from aqueous solution
Autorzy:: Abdul-Hameed, Hayder M.
Al Juboury, Maad F.
Powiązania:: https://bibliotekanauki.pl/articles/292557.pdf
Data publikacji:: 2020
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: adsorption
agriculture waste
composite adsorbent
heavy metals
leaf date palm
Opis:: A new composite adsorbent was prepared by modifying low cost local adsorbent (LCL) using MgFe layered double hydroxide (LDH). This low cost local adsorbent was also prepared from the activation of date palm leaf derived from agricultural waste. In comparison to the low LCL, the adsorption capacity of the new composite adsorbent (LCL/MgFe-LDH) was improved. This was measured in terms of its ability to remove lead from wastewater. The Scanning electron microscope (SEM), Energy dispersive spectroscopy (EDS), Fourier-transform infrared spectroscopy (FTIR) and the specific surface area by the (Brunauer, Emmett and Teller) theory (BET) tests were conducted for the characterisation of LCL and LCL/MgFe-LDH. The behaviour of the lead adsorption processes by using LCL/MgFe-LDH as adsorbent was investigated in batch experiments by examining different values of solution pH, contact time, adsorbent dose and initial Pb²⁺ concentration. High removal efficiency was exhibited by LCL/MgFe-LDH, a value almost double that of LCL. This was attributed to the increase in surface area of LCL/MgFe-LDH (79.7 m²·g^–1) in contrast to the surface area of LCL (24.5 m²·g^–1). The Freundlich equations and pseudo-second-order kinetics model were appropriate for the provision of adsorption equilibrium data for Pb²⁺ on adsorbents. These results reveal the great potential of the new composite adsorbent (LCL/MgFe-LDH) if applied to the absorption of heavy metal ions.
Źródło:: Journal of Water and Land Development; 2020, 45; 10-18
1429-7426
2083-4535
Pojawia się w:: Journal of Water and Land Development
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Determination of Difference Amount in Reference Evapotranspiration between Urban and Suburban Quarters in Karbala City
Autorzy:: Algretawee, Hayder
Al-Saadi, Riyadh Jasim Mohammed
Al Juboury, Maad F.
Hasan, Musaab Falih
Nile, Basim K.
Kadhim, Mustafa Amoori
Powiązania:: https://bibliotekanauki.pl/articles/2173251.pdf
Data publikacji:: 2022
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: reference evapotranspiration
Penman-Monteith equation
urban area
suburban area
Opis:: Evapotranspiration represents one of the main parameters in the hydrological cycle. It is usually expressed by the term reference evapotranspiration (ETo) that is affected by certain meteorological parameters. This study aimed to find the difference amount in ETo between urban and suburban quarters in Karbala city. The study methodology involved selecting once urban area and four suburban quarters. Two methods of determining the reference evapo- transpiration were applied: first, a direct method which measured ETo at selected fields by using a hand-held device, and second, an indirect method using the Penman-Monteith equation. The findings showed that the magnitudes of ETo by the Penman-Monteith equation are higher than the values measured by the direct method for urban and suburban quarters. Moreover, it was found that the absolute percentage of difference in the average amount of ETo between urban and suburban quarters is 13% by using the direct method and 61% by using Penman-Monteith equation. The study conclusion is that suburban area has higher magnitude of ETo than urban quarter by using any of direct method and indirect method (Penman-Monteith equation).
Źródło:: Journal of Ecological Engineering; 2022, 23, 7; 180--191
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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