کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
643833 884393 2007 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Electrochemical removal of CI Acid orange 10 from aqueous solutions
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تصفیه و جداسازی
پیش نمایش صفحه اول مقاله
Electrochemical removal of CI Acid orange 10 from aqueous solutions
چکیده انگلیسی

The removal of CI Acid orange 10 from aqueous solutions was studied by electrocoagulation and electrooxidation techniques. For electrocoagulation, metallic iron was used as electrodes whereas graphite and IrO2/TaO2/RuO2 coated titanium were used in the case of electrooxidation. During electro-coagulation, the CI Acid orange 10 molecule was split into aniline and 1-amino-2-naphthol-6,8-disulfonic acid due to reductive cleavage of azo bond. The latter was found to co-precipitate with iron oxy-hydroxide whereas aniline remained in aqueous phase. The zeta-potential measurements and FT-IR spectroscopic studies have revealed the chemical interaction between 1-amino-2-naphthol-6,8-disulfonic acid and iron oxy-hydroxide which formed as a result of anodic dissolution. De-colorization and degradation of the dye was followed using UV–Vis spectroscopy, GC–MS and TOC measurements. The CI Acid orange 10 was completely oxidized and removed with graphite electrodes. However the oxidation was only partial with IrO2/TaO2/RuO2 coated titanium electrodes. The effect of initial pH and current density on the removal of CI Acid orange 10 was discussed.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Separation and Purification Technology - Volume 55, Issue 2, 15 June 2007, Pages 198–205
نویسندگان
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