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United Arab Emirates – Sunflower oil has been tested positively at the UAE University for being an effective and environment-friendly way for removing Chromium Hexavalent or Cr(VI) (a byproduct of welding) contamination from ground water sources and industrial waste.
Sunflower Oil and Cr(VI)- 6/4/2009
The breakthrough suggests sunflower as an alternate to kerosene oil, a hazardous and toxic solvent, which is currently being used for Cr(VI) contamination removal from the industrial effluents including the refinery waste.
Dr. Monwar Hussain, an Associate Professor at the Department of Chemical and Petroleum Engineering in UAE University, who conducted the research, also used lubricating oil as an alternate solvent along with the sunflower oil. He, however, found sunflower oil more effective.
His research report said: "The initial studies have demonstrated the success of this process in removing Cr(VI) from aqueous [water based] solutions."
Read the full story at gulfnews.com