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    STUDIA AMBIENTUM - Ediţia nr.1-2 din 2008  
         
  Articol:   TEXTILE INDUSTRY: ENVIRONMENTAL IMPACTS AND WASTEWATER TREATMENT METHODS.

Autori:  DELIA-LAURA POPESCU, GHEORGHE GAMANECI. 		 
       
         
  Rezumat:  Effluents containing textile dyes discharged by dye manufacturing and textile wet processing industries present significant environmental problems. With the worldwide growth in fiber consumption, the use of dyes and their discharge is likely to continue to rise. Modern textile dyes are chemically stable and resistant to degradation by sunlight, water, soap, bleach, and perspiration. They are difficult to degrade in textile wastewaters under the aerobic conditions that prevail in biological treatment plants. Dyes in wastewater create aesthetic problems and limit the possible uses of the water. Moreover, they reduce the efficacy of microbiological wastewater treatment because of their possible toxicity towards microorganisms. Dyes absorb and scatter the sunlight essential for the algae growth. The products of dye degradation can be mutagenic, carcinogenic, or teratogenic and cause long-term health concerns. In view with the above effects, biological, physical, and chemical treatment methods for textile wastewater are discussed herein.

Keywords: textile industry, environmental impacts, textile dyes degradation, wastewater treatment methods 		 
         
     
         
         
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