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Biosorption of Mn (II), Co (II) and Cr(VI) in a horizontal rotating tubular bioreactor : experiment and evaluation of integral bioprocess model (CROSBI ID 207510)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Rezić, Tonči ; Rezić, Iva ; Zeiner, Michaela ; Hann, Stephan ; Stingeder, Gerhard ; Šantek, Božidar Biosorption of Mn (II), Co (II) and Cr(VI) in a horizontal rotating tubular bioreactor : experiment and evaluation of integral bioprocess model // Brazilian journal of chemical engineering, 31 (2014), 3; 799-814. doi: 10.1590/0104-6632.20140313s00002905

Podaci o odgovornosti

Rezić, Tonči ; Rezić, Iva ; Zeiner, Michaela ; Hann, Stephan ; Stingeder, Gerhard ; Šantek, Božidar

engleski

Biosorption of Mn (II), Co (II) and Cr(VI) in a horizontal rotating tubular bioreactor : experiment and evaluation of integral bioprocess model

Industrial wastewater contaminated with toxic heavy metals is big ecological and environmental problem. The use of biological materials for effective removal and recovery of heavy metals from contaminated wastewaters has emerged as a potential alternative method to conventional treatment techniques. The aim of this paper was the study of biosorption of toxic metals from aqueous solution by the application of microorganisms, isolated from polluted (metal-laden) soil. Bioadsorption process for heavy metals removal was conducted in a new pilot scale horizontal rotating tubular bioreactor (HRTB). This bioreactor provides conditions for microorganisms’ growth in a form of suspended cells and biofilm. Due to the biofilm properties, it can protect microorganisms from interaction with toxic metals in the surrounding environment. Three metals were selected as model examples: cations of manganes and cobalt, and hexavalent chromium (an oxyanion). Optimized bioreactor condition [medium inflow rate (F) and bioreactor rotation speed (n)] for metal removal was monitored, and, under optimized bioreactor conditions, promising results were obtained.

heavy metals; mixed microbial culture; bioadsorption; biofilm; horizontal rotating tubular bioreactor

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Podaci o izdanju

31 (3)

2014.

799-814

objavljeno

0104-6632

10.1590/0104-6632.20140313s00002905

Povezanost rada

Kemija

Poveznice
Indeksiranost