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Ultrasound assisted degradation kinetics of textile azo dyes in aqueous solutionsVajnhandl, Simona ; Majcen Le Marechal, Alenka ; Brodnjak-Vončina, DarinkaTextile azo dyes belong to the largest class of dyes used in textile and paper industry. Azo dyes cause serious environmental concern due to their resistance to aerobic degradation, however, under ... anaerobic conditions, aromatic amines are formed which are colourless but toxic and potentially carcinogenic. In accordance to achieve total degradation and mineralization of azo dyes various advanced oxidation processes are exploiting. Ultrasound is an example of advanced oxidation process and it is an excellent tool for enhancement of chemical reactions, promotion of mass transfer and production of free radicals. Decolouration kinetic of aqueous solutions of reactive azo dye using power ultrasound was investigated. The influence of the initial concentrations, pH of the medium and addition of radical promoters such as hydrogen peroxide and Fe 2+ on the decomposition of dyes was studied.Vir: Magic world of textiles : book of proceedings (Str. 1024-1028)Vrsta gradiva - prispevek na konferenciLeto - 2004Jezik - angleškiCOBISS.SI-ID - 9062678
Avtor
Vajnhandl, Simona |
Majcen Le Marechal, Alenka |
Brodnjak-Vončina, Darinka
Teme
tekstilna industrija |
razbarvanje |
reaktivna azo barvila |
napredna oksidacija |
ultrazvok |
kinetika razpada |
radikalni promoterji |
textile industry |
decoloration |
reactive azo dyes |
advanced oxidation process |
ultrasound |
degradation kinetics |
radical promoters
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vajnhandl, Simona | 23461 |
Majcen Le Marechal, Alenka | 02223 |
Brodnjak-Vončina, Darinka | 06127 |
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