Naslov
Monitoring of heavy metal ions removal in horizontal rotating tubular bioreactor by TLC

Autori
Zelenić, Marina ; Rezić, Iva ; Rezić, Tonči ; Šantek, Božidar

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
VIII. skup mladih kemijskih inženjera, Knjiga sažetaka / Bolf, Nenad ; Šoljić Jerbić, Ivana - Zagreb : Fakultetu kemijskog inženjerstva i tehnologije, Sveučilišta u Zagrebu, 2010, 54-54

ISBN
978-953-6470-48-8

Skup
VIII. skup mladih kemijskih inženjera

Mjesto i datum
Zagreb, Hrvatska, 18.02.2010. - 19.02.2010

Vrsta sudjelovanja
Poster

Vrsta recenzije
Domaća recenzija

Ključne riječi
horizontal rotating tubular bioreactor; monitoring; heavy metal ions; removal; thin layer chromatography

Sažetak
Pollution by heavy metals is a major environmental problem because they are not subject to natural degradation and therefore it comes to their bioaccumulation in tissues, what can cause serious health problems. Generally used bioreactors for metal removal from waste water include rotating biodisc reactors, trickle filters, fixed bed and fluidized beds, air- lift reactors and other biofilm reactors [1]. In this research, removal of metal (Co, Cr and Mn) by biosorption process in horizontal rotating tubular bioreactor (HRTB), was monitored. HRTB is designed as a combination of thin-layer and biodisc reactor and therefore has characteristics of both reactors. Discs are used as carriers for microbial biomass, which removes metals present in water. Biosorption can be defined as the removal of metal or metalloid species, compounds and particles from solution by biological material [2] and it was monitored by thin-layer chromatography. Before analysis of waste water samples, it was necessary to determine the optimal chromatographic system for separating metal ions. In optimization procedure, binary, ternary and quaternary solvent systems with different volume shares were used. Total mixture volume was 10 mL. Therefore, standard solutions of metal salts in distilled water were prepared in range of 0.1-1.0 g/L. These solutions were used for optimization and metal ion identification during real-sample analysis. Based on the obtained chromatograms, calculated retention factors (RF values) and plate development time, the adequate chromatographic system for separation and identification of analysed metal ions was chosen.

Izvorni jezik
Engleski

Znanstvena područja
Biotehnologija

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