Remediation and recycling of chromium from tannery wastewater using combined chemical–biological treatment system Engy Ahmed, Hesham M. Abdulla, Amr.

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Presentation transcript:

Remediation and recycling of chromium from tannery wastewater using combined chemical–biological treatment system Engy Ahmed, Hesham M. Abdulla, Amr H. Mohamed, Ahmed D. El-Bassuony Process Safety and Environmental Protection Volume 104, Pages 1-10 (November 2016) DOI: 10.1016/j.psep.2016.08.004 Copyright © 2016 Institution of Chemical Engineers Terms and Conditions

Fig. 1 Cr(III) precipitation from tannery wastewater by (A) cement dust and (B) lime. Process Safety and Environmental Protection 2016 104, 1-10DOI: (10.1016/j.psep.2016.08.004) Copyright © 2016 Institution of Chemical Engineers Terms and Conditions

Fig. 2 Effect of porous medium type (A) gravel and (B) sand on Cr(VI) bioremoval efficiency. Process Safety and Environmental Protection 2016 104, 1-10DOI: (10.1016/j.psep.2016.08.004) Copyright © 2016 Institution of Chemical Engineers Terms and Conditions

Fig. 3 Effect of inoculum size of Kitasatosporia sp. on Cr(VI) bioremoval efficiency in sand columns. Process Safety and Environmental Protection 2016 104, 1-10DOI: (10.1016/j.psep.2016.08.004) Copyright © 2016 Institution of Chemical Engineers Terms and Conditions

Fig. 4 Effect of wastewater flow rate on Cr(VI) bioremoval efficiency in sand columns. Process Safety and Environmental Protection 2016 104, 1-10DOI: (10.1016/j.psep.2016.08.004) Copyright © 2016 Institution of Chemical Engineers Terms and Conditions

Fig. 5 Effect of culture conditions of Kitasatosporia sp. on Cr(VI) bioremoval efficiency in sand columns. Process Safety and Environmental Protection 2016 104, 1-10DOI: (10.1016/j.psep.2016.08.004) Copyright © 2016 Institution of Chemical Engineers Terms and Conditions