Upgrading of Egyptian Nonsulfide Zinc Ore by Gravity Separation Techniques von M.Z. Farag, N.A. Abdel-Khalek, M.S. Hassan, M.M. El Aref, A.W. El Manawi

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Effect of gas sparging on the rate of mass transfer at a single sphere von Zarraa, M.A., El-Tawil, Y.A., Farag, H.A., El-Abd, M.Z., Sedahmed, G.H.

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Liquid-solid mass transfer in a batch-packed bubble column von Zarraa, M.A., El-Abd, M.Z., El-Tawil, Y.A., Farag, H.A., Sedahmed, G.H.

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