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APPLICATION OF PAN/PANI COMPOSITE MEMBRANES IN PURIFICATION OF INDUSTRIAL WASTEWATER GENERATED DURING PROCESSING OF METALS
 
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Akademia Techniczno-Humanistyczna w Bielsku-Białej, ul. Willowa 2, 43-309 Bielsko-Biała
 
 
Publication date: 2017-04-01
 
 
Corresponding author
Beata Fryczkowska   

Akademia Techniczno-Humanistyczna w Bielsku-Białej, ul. Willowa 2, 43-309 Bielsko-Biała
 
 
Inż. Ekolog. 2017; 2:21-29
 
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ABSTRACT
The paper presents results of research on the use of composite membranes of polyacrylonitrile (PAN) doped polyaniline (PANI) to remove contaminations of industrial wastewater generated during the processing of metals. Wastewater obtained from industry was pre-treated with the flocculant Magnafloc®336, and then the supernatant solution was introduced into the ultrafiltration cell, AMICON (Millipore) equipped in the previously prepared polymer membrane. Using spectrophotometer UV-Vis (HACH) and atomic absorption spectrometry (AAS) pollution indicators was marked before and after the integrated purification proces, to determine the degree of removal of selected ions from wastewater. As a result of flocculation from wastewater there have been removed phosphates (79%), chlorides (11-14%), sulfates (2-10%) and iron (36-92%), cobalt (~ 80%), cadmium (~ 31% ) and nickel (~ 25%). However, the pressure membrane process almost completely removed zinc, copper and cadmium (~ 100%), iron (by a further 43-69%) and phosphate anions, which was a little.
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