STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE
The process of removal of textile coloring agents from model solutions by means of consecutive electrochemical and catalytic oxidative treatment in the presence of hydrogen peroxide, and its dependence of the amount of electrochemical coagulant, initial concentration and properties of the color...
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| Format: | Article |
| Language: | English |
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Moldova State University
2010-05-01
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| Series: | Studia Universitatis Moldaviae: Stiinte reale si ale naturii |
| Online Access: | https://ojs.studiamsu.md/index.php/stiinte_reale_naturii/article/view/533 |
| _version_ | 1811299714299068416 |
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| author | USM ADMIN |
| author_facet | USM ADMIN |
| author_sort | USM ADMIN |
| collection | DOAJ |
| description |
The process of removal of textile coloring agents from model solutions by means of consecutive electrochemical and catalytic oxidative treatment in the presence of hydrogen peroxide, and its dependence of the amount of electrochemical coagulant, initial concentration and properties of the coloring agent as well as the iron ions (II) content was discussed in current paper.
The obtained results prove that removal of reactive colorants through electrical generation of coagulants is more effective and economically sound when carried out from more concentrated model solutions of textile residual waters (the initial concentration should between 150-200 mg/l).
The application of catalytic oxidation procedure can be applied in case of removal of reactive colorants of less concentrated solutions (the amount of colorants should not exceed 50 mg/l).
From the acquired results it was identified that combined methods of electrochemical removal and catalytic oxidation by hydrogen peroxide of reactive colorants assure their effective removal from model solutions of residual waters contain-ning up to 200 mg/l of mentioned colorants. The mineralization and residues content was reduced by 97-98%, while the consumption of coagulant was lower by a factor of 2-2.5 in comparison with conventional methods of treatment.
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| first_indexed | 2024-04-13T06:40:51Z |
| format | Article |
| id | doaj.art-1d49c72fa6f24714b79806c298250e51 |
| institution | Directory Open Access Journal |
| issn | 1814-3237 1857-498X |
| language | English |
| last_indexed | 2024-04-13T06:40:51Z |
| publishDate | 2010-05-01 |
| publisher | Moldova State University |
| record_format | Article |
| series | Studia Universitatis Moldaviae: Stiinte reale si ale naturii |
| spelling | doaj.art-1d49c72fa6f24714b79806c298250e512022-12-22T02:57:45ZengMoldova State UniversityStudia Universitatis Moldaviae: Stiinte reale si ale naturii1814-32371857-498X2010-05-011STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICEUSM ADMIN0Studia Universitas Moldaviae The process of removal of textile coloring agents from model solutions by means of consecutive electrochemical and catalytic oxidative treatment in the presence of hydrogen peroxide, and its dependence of the amount of electrochemical coagulant, initial concentration and properties of the coloring agent as well as the iron ions (II) content was discussed in current paper. The obtained results prove that removal of reactive colorants through electrical generation of coagulants is more effective and economically sound when carried out from more concentrated model solutions of textile residual waters (the initial concentration should between 150-200 mg/l). The application of catalytic oxidation procedure can be applied in case of removal of reactive colorants of less concentrated solutions (the amount of colorants should not exceed 50 mg/l). From the acquired results it was identified that combined methods of electrochemical removal and catalytic oxidation by hydrogen peroxide of reactive colorants assure their effective removal from model solutions of residual waters contain-ning up to 200 mg/l of mentioned colorants. The mineralization and residues content was reduced by 97-98%, while the consumption of coagulant was lower by a factor of 2-2.5 in comparison with conventional methods of treatment. https://ojs.studiamsu.md/index.php/stiinte_reale_naturii/article/view/533 |
| spellingShingle | USM ADMIN STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE Studia Universitatis Moldaviae: Stiinte reale si ale naturii |
| title | STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE |
| title_full | STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE |
| title_fullStr | STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE |
| title_full_unstemmed | STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE |
| title_short | STUDIEREA PROCESULUI DE DIMINUARE A CONCENTRAŢIEI COLORANŢILOR ACTIVI DIN SOLUŢIILE MODEL PRIN APLICAREA METODELOR FIZICO-CHIMICE |
| title_sort | studierea procesului de diminuare a concentratiei colorantilor activi din solutiile model prin aplicarea metodelor fizico chimice |
| url | https://ojs.studiamsu.md/index.php/stiinte_reale_naturii/article/view/533 |
| work_keys_str_mv | AT usmadmin studiereaprocesuluidediminuareaconcentratieicolorantiloractividinsolutiilemodelprinaplicareametodelorfizicochimice |