What is it about?
In this research work, a continuous fixed bed pilot study was carried out by using modified granular activated carbon from walnut shell as a sorbent for the removal of nitrate contaminated groundwater as well as synthetic aqueous solutions.
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Why is it important?
The results of this work demonstrate that modified GAC is an attractive source for removal of nitrate from water.
Perspectives
Improvement of nitrate adsorption by activated carbon treated by phosphoric acid (used in this research essay) seems to be caused by surface acid (protons) remained on carbon surface after H3PO4 treatment. More research is needed in the field of regeneration and for the environmentally safe disposal of nitrate concentration.
Dr. Abolghasem Alighardashi
Shahid Beheshti University
Read the Original
This page is a summary of: Removal of nitrate from synthetic aqueous solution and groundwater in a continuous pilot system using chemical activated carbon derived from walnut shell, Water Practice & Technology, December 2016, IWA Publishing,
DOI: 10.2166/wpt.2016.082.
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