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Search: WFRF:(Taha M.A)

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1.
  • Ades, M., et al. (author)
  • Global Climate : in State of the climate in 2019
  • 2020
  • In: Bulletin of The American Meteorological Society - (BAMS). - : American Meteorological Society. - 0003-0007 .- 1520-0477. ; 101:8, s. S17-S127
  • Journal article (peer-reviewed)
  •  
2.
  • Ades, M., et al. (author)
  • GLOBAL CLIMATE
  • 2020
  • In: BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY. - 0003-0007 .- 1520-0477. ; 101:8
  • Journal article (peer-reviewed)
  •  
3.
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4.
  • El-Mahallawy, N., et al. (author)
  • On the reaction between aluminum, K2TiF6 and KBF4
  • 1999
  • In: Journal of Alloys and Compounds. - 0925-8388 .- 1873-4669. ; 292:1-2, s. 221-229
  • Journal article (peer-reviewed)abstract
    • The reaction between molten Al and KBF4 and K2TiF6 was analyzed. Additions of the two salts separately, consecutively and simultaneously were made at 800 and 1000 °C. The phases formed were identified and their morphology investigated. When adding K2TiF6 emulsification of the salt occurs. Residual salt containing K, Ti, Al and O was found in addition to slag containing K, Al and O. In an emulsified region, a new globular morphology of Al3Ti-type was found. No evidence of emulsification of KBF4 was found. This implies that the two salts react individually with Al. A new morphology of AlB2, in the form of thin plates, formed presumably at the salt/aluminum interface, was also found.
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5.
  • Ossman, M. E., et al. (author)
  • Peanut shells and talc powder for removal of hexavalent chromium from aqueous solutions
  • 2014
  • In: BULGARIAN CHEMICAL COMMUNICATIONS. - 0324-1130. ; 46:3, s. 629-639
  • Journal article (peer-reviewed)abstract
    • In this work, talc powder and peanut shells were investigated as potential adsorbents for the removal of hexavalent chromium from aqueous solutions. The effect of important parameters, such as contact time, solution pH and adsorbent dosage were also evaluated for the adsorption process of chromium (IV). The experimental data showed that a contact time of 30 min for peanut shells and 70 min for talc powder and pH of 4 were optimum for the adsorption to reach equilibrium. Furthermore, FT-IR, SEM and BET measurements were made in order to assess the physicochemical properties of the substrates. Langmuir, Freundlich, Temkin and Dubinin-Radushkevich isotherm models were used to fit the equilibrium data, heat and energy of adsorption of both adsorbents. Determinations of the rate of adsorption using kinetic models follow pseudo-first order for peanut shells and talc powder with intraparticle diffusion.
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  • Result 1-5 of 5

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