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Investigation of Iron Powder, Hydrogen Peroxide and Iron Hydrogen Peroxide for Removal of Acid Yellow Powder 36 Dye from Aqueous Solutions

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Author(s): A.R Yazdanbakhsh | A Sheikh Mohammadi | M Sardar | H Mohammad | M Zarabi

Journal: Iranian Journal of Health and Environment
ISSN 2008-2029

Volume: 2;
Issue: 4;
Start page: 296;
Date: 2010;
Original page

Keywords: dye removal | wastewater | H2O2 | Fe0 | Azo dye

ABSTRACT
"n "nBackgrounds and Objectives: A great part of organic compounds cause more pollution in naturalĀ  waters meet, are chemical dye material. Azo dyes have more usage in different industries. Azo dyes not only give undesirable dye to the water but also have mutation potential and carcinogenesis effects in human and cause the production of toxic substances in water environments.The purpose of this study is investigation of iron powder, hydrogen peroxide and iron powder-hydrogen peroxide processes in removal of acid yellow 36 dye from aqueous solutions."nMaterials and Methods: This study was conducted in laboratory scale. At this experiment synthetic solution was made from acid yellow 36 dye, and the removal of acid yellow 36 dye was studied by iron powder, hydrogen peroxide and iron powder- hydrogen peroxide processes .Also effect of dye concentration, pH solution, hydrogen peroxide concentration, iron powder concentration and the time of contact on decolorization, were evaluated."nResults: The results showed that iron powder - hydrogen peroxide process, compared to two otherĀ  process has high decolorization power. Removal efficacy of iron powder-hydrogen peroxide process with H2O2 =23.33 ml / L, pH =3, iron powder 2000 mg/L and 60 minute ,was about 97.9%"nConclusion:In general this investigation showed that , this method (Iron powder-hydrogen peroxide process) has high efficiency for removal of Azo dyes. But application this method in the industry, should be economically evaluated.

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