The inhibitory effect of heavy metals in nitrification has not been extensively investigated although it is expected that some form of inhibition would show up in the presence of these. Since Cadmium is a common heavy metal present in industrial effluents, its effect on nitrification has yet to be evaluated in qualitative and quantitative terms. In this investigation, a novel approach to studying heavy metal inhibition and mitigation in a full nitrification regime has been adopted. This approach consisted of employing a two-compartment membrane bioreactor and conducting a series of nitrification experiments in the absence and presence of a natural adsorbent placed in either compartment. The results obtained thus far clearly indicated an inhibitory effect when both heavy metal and biomass were placed in the same compartment. Diffusive transport across the membrane of produced nitrite and heavy metal showed different characteristics: whilst nitrite evolved to the other compartment according to the concentration driving force, the heavy metal concentration in either compartment change little.
Published in |
International Journal of Environmental Monitoring and Analysis (Volume 2, Issue 6-1)
This article belongs to the Special Issue Environmental Science and Treatment Technology |
DOI | 10.11648/j.ijema.s.2014020601.15 |
Page(s) | 35-41 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2014. Published by Science Publishing Group |
Cadmium, Bioreactor, Fish Scales, Nitrification Inhibition
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APA Style
Omar Chaalal, Dalial Hank, Ahmed M. Soliman, Ahemd Embaby, Farid Benyahya. (2014). A Novel Membrane Bioreactor System for Nitrification Inhibition by Cadmium. International Journal of Environmental Monitoring and Analysis, 2(6-1), 35-41. https://doi.org/10.11648/j.ijema.s.2014020601.15
ACS Style
Omar Chaalal; Dalial Hank; Ahmed M. Soliman; Ahemd Embaby; Farid Benyahya. A Novel Membrane Bioreactor System for Nitrification Inhibition by Cadmium. Int. J. Environ. Monit. Anal. 2014, 2(6-1), 35-41. doi: 10.11648/j.ijema.s.2014020601.15
AMA Style
Omar Chaalal, Dalial Hank, Ahmed M. Soliman, Ahemd Embaby, Farid Benyahya. A Novel Membrane Bioreactor System for Nitrification Inhibition by Cadmium. Int J Environ Monit Anal. 2014;2(6-1):35-41. doi: 10.11648/j.ijema.s.2014020601.15
@article{10.11648/j.ijema.s.2014020601.15, author = {Omar Chaalal and Dalial Hank and Ahmed M. Soliman and Ahemd Embaby and Farid Benyahya}, title = {A Novel Membrane Bioreactor System for Nitrification Inhibition by Cadmium}, journal = {International Journal of Environmental Monitoring and Analysis}, volume = {2}, number = {6-1}, pages = {35-41}, doi = {10.11648/j.ijema.s.2014020601.15}, url = {https://doi.org/10.11648/j.ijema.s.2014020601.15}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijema.s.2014020601.15}, abstract = {The inhibitory effect of heavy metals in nitrification has not been extensively investigated although it is expected that some form of inhibition would show up in the presence of these. Since Cadmium is a common heavy metal present in industrial effluents, its effect on nitrification has yet to be evaluated in qualitative and quantitative terms. In this investigation, a novel approach to studying heavy metal inhibition and mitigation in a full nitrification regime has been adopted. This approach consisted of employing a two-compartment membrane bioreactor and conducting a series of nitrification experiments in the absence and presence of a natural adsorbent placed in either compartment. The results obtained thus far clearly indicated an inhibitory effect when both heavy metal and biomass were placed in the same compartment. Diffusive transport across the membrane of produced nitrite and heavy metal showed different characteristics: whilst nitrite evolved to the other compartment according to the concentration driving force, the heavy metal concentration in either compartment change little.}, year = {2014} }
TY - JOUR T1 - A Novel Membrane Bioreactor System for Nitrification Inhibition by Cadmium AU - Omar Chaalal AU - Dalial Hank AU - Ahmed M. Soliman AU - Ahemd Embaby AU - Farid Benyahya Y1 - 2014/10/15 PY - 2014 N1 - https://doi.org/10.11648/j.ijema.s.2014020601.15 DO - 10.11648/j.ijema.s.2014020601.15 T2 - International Journal of Environmental Monitoring and Analysis JF - International Journal of Environmental Monitoring and Analysis JO - International Journal of Environmental Monitoring and Analysis SP - 35 EP - 41 PB - Science Publishing Group SN - 2328-7667 UR - https://doi.org/10.11648/j.ijema.s.2014020601.15 AB - The inhibitory effect of heavy metals in nitrification has not been extensively investigated although it is expected that some form of inhibition would show up in the presence of these. Since Cadmium is a common heavy metal present in industrial effluents, its effect on nitrification has yet to be evaluated in qualitative and quantitative terms. In this investigation, a novel approach to studying heavy metal inhibition and mitigation in a full nitrification regime has been adopted. This approach consisted of employing a two-compartment membrane bioreactor and conducting a series of nitrification experiments in the absence and presence of a natural adsorbent placed in either compartment. The results obtained thus far clearly indicated an inhibitory effect when both heavy metal and biomass were placed in the same compartment. Diffusive transport across the membrane of produced nitrite and heavy metal showed different characteristics: whilst nitrite evolved to the other compartment according to the concentration driving force, the heavy metal concentration in either compartment change little. VL - 2 IS - 6-1 ER -