Showing 1 - 20 results of 110 for search '(((( 50 ppm decrease ) OR ( 5 ppm decrease ))) OR ((( 50 nn decrease ) OR ( 5 w decrease ))))', query time: 0.19s Refine Results
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    Wind energy potential along the onshore and offshore Qatar by Mohammed, Aboobacker Valliyil

    Published 2020
    “…Among the select locations, the highest annual mean wind power density is obtained in the o?shore Ruwais (152 W/m2), followed by o?shore Ras La?an (134 W/m2) and land area of Al Khor (120 W/m2). …”
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    Enhanced oil recovery using hyperbranched polyglycerol polymer-coated silica nanoparticles by Elmobarak W.F.

    Published 2021
    “…dem improved as the Csur and pH decreased, with maximum values of 98.8% and 98.5% achieved at Csur = 0.05 g/L and a pH = 4, respectively. …”
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    Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles by Elmobarak W.F.

    Published 2021
    “…This change is due to the decrease in the emulsion stability and the formation of fine oil droplets. …”
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    Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions by Elmobarak W.F.

    Published 2021
    “…Using an MDdose as low as 10 mg/L attained a %ηdem in the range of 93%–94.3% for O/W mixtures with Coil < 2000 mg/L, which slightly decreased to ∼90% for higher concentrations. …”
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    Functionalization of silica-coated magnetic nanoparticles as powerful demulsifier to recover oil from oil-in-water emulsion by Elmobarak W.F.

    Published 2021
    “…This study presents an innovative approach for the preparation of Fe3O4 nanoparticles covered with SiO2 shell (denoted as Fe–Si-MNP), which were used to recover oil recovery from oil-in-water emulsion (O/W-emul). The Fe–Si-MNP were prepared with differing silica layer thicknesses (5 nm [Fe–Si-1], 8 nm [Fe–Si-2], 10 nm [Fe–Si-3], and 15 nm [Fe–Si-4]) and tested for the percentage of oil separation (%Soil) under different dosages (DMNP), oil concentration (Doil), surfactant dosages (Dsur), and pH. …”
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    The separation of emulsified water/oil mixtures through adsorption on plasma-treated polyethylene powder by Abdulkareem A.

    Published 2021
    “…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …”
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    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs by Shamlooh M.

    Published 2020
    “…Moreover, the system showed good stability in saline conditions with NaCl concentration of up to 50,000 ppm. Scanning electron microscopy of freeze-dried samples proved the uniform distribution of colloidal crosslinkers and showed sheets wrapping around the colloidal particles. …”
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    Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO) by Singh, A.

    Published 2020
    “…The optimum performance and emission characteristics (BP, BTHE, HC and NOx) are found to be 2.258 KW, 29.05%, 6.31 ppm, and 159.5 ppm respectively. The performance of B20 fueled engine was almost comparable to that of diesel fuel. …”
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    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex by Elkelawy, M.

    Published 2020
    “…X-ray diffraction of one crystal, a spectroscopy technique and transmission electron microscopy (TEM) have been entirely examined for the structure formation of SC1. Adding 50, 100, and 150 ppm of SC1 with hydrogen peroxide (H2O2) is used to prepare the nanofluids emulsions. …”
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    Enhancing the Remediation Capacity of Mercury Ions from Fluorescent Lamp Using Roasted Date Pits and Its Modified Forms by Al-Ghouti, Mohammad A.

    Published 2016
    “…Moreover, at pH 8 and pH 10, the adsorption decreased with an average Hg concentration of 3.5 and 8.01 ppm, respectively. …”
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