Discoloration of wastewater from textile industry in the presence of metallic IRON

Atenas, G. M., Mielczarski, E., Mielczarski, J. A., Lambert, J. and Ehrhardt, J. -J. (2005). Discoloration of wastewater from textile industry in the presence of metallic IRON. In: I. Gaballah, B. Mishra, R. Solozabal and M. Tanaka, REWAS '04, Global Symposium on Recycling, Waste Treatment and Clean Technology : proceedings of the REWAS '04: Global Symposium on Recycling, Waste Treatment and Clean Technology. REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology, Madrid, Spain, (1215-1224). 29-29 September 2005.


Author Atenas, G. M.
Mielczarski, E.
Mielczarski, J. A.
Lambert, J.
Ehrhardt, J. -J.
Title of paper Discoloration of wastewater from textile industry in the presence of metallic IRON
Conference name REWAS'04 - Global Symposium on Recycling, Waste Treatment and Clean Technology
Conference location Madrid, Spain
Conference dates 29-29 September 2005
Proceedings title REWAS '04, Global Symposium on Recycling, Waste Treatment and Clean Technology : proceedings of the REWAS '04: Global Symposium on Recycling, Waste Treatment and Clean Technology
Place of Publication Warrendale, PA, U.S.A.
Publisher Minerals, Metals & Materials Society
Publication Year 2005
Sub-type Fully published paper
ISBN 9788495520036
8495520036
Editor I. Gaballah
B. Mishra
R. Solozabal
M. Tanaka
Start page 1215
End page 1224
Total pages 10
Language eng
Abstract/Summary Azo-dyes that are characterized by the presence of the -N=N- azo-linkage, comprise around half of all textile colorants used today. They are required to exhibit a high degree of chemical, photolytic and microbiological stability in order to fulfill the fastness requirements of customers. Consequently, dyes do not readily degrade under typical usage conditions, not even under aerobic conditions prevailing in the conventional biological treatment processes. Wastewater treatment facilities that received azo-dyes have shown to be unable to meet color standards. It is of strong interest to develop fast, efficient, economical and environmentally friendly technology for removing dyes from wastewater. The carried out fundamental studies shown that the application of iron type catalysts could be the efficient and low cost solution. The performed studies were concentrated on decomposition kinetics of the most typical industrial dyes in different conditions: solution concentration, pH, reduction/oxidation potential. Degradation mechanisms of different dyes were also investigated.
Subjects 0502 Environmental Science and Management
Keyword Wastewater treatment
Azo dyes
Decomposition
Microbiology
Photolysis
Reaction kinetics
Textile industry
Biological treatment processes
Decomposition kinetics
Effluent Treatment
Photolysis
Q-Index Code EX

 
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Created: Thu, 18 Mar 2010, 07:54:59 EST by June Temby on behalf of Sustainable Minerals Institute