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Phosphate removal from wastewater by bacteria and organic bentonite


Hrenović, Jasna; Rožić, Mirela; Ivanković, Tomislav; Anamarija Farkaš
Phosphate removal from wastewater by bacteria and organic bentonite // Third International Meeting on Environmental Biotechnology and Engineering / Isabel Sastre Conde, Hervé Macarie, Gerardo López López, Ana Mª ; ; Ibáñ ; ; ez Burgos (ur.).
Palma de Mallorca: Third International Meeting on Environmental Biotechnology and Engineering, 2008. str. 64-64 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Phosphate removal from wastewater by bacteria and organic bentonite

Autori
Hrenović, Jasna ; Rožić, Mirela ; Ivanković, Tomislav ; Anamarija Farkaš

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

Izvornik
Third International Meeting on Environmental Biotechnology and Engineering / Isabel Sastre Conde, Hervé Macarie, Gerardo López López, Ana Mª ; ; Ibáñ ; ; ez Burgos - Palma de Mallorca : Third International Meeting on Environmental Biotechnology and Engineering, 2008, 64-64

Skup
Third International Meeting on Environmental Biotechnology and Engineering

Mjesto i datum
Palma de Mallorca, Španjolska, 21.-25.9. 2008

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
bentonite ; bacteria ; wastewater

Sažetak
The aim of this study was to determine the potential of phosphate (P) removal from wastewater by P-accumulating bacteria and organic bentonite. Organic bentonite was prepared by treating bentonite clay with quaternary ammonium salt – cetyltrimetylammonium (CTA) bromide. Cation exchange capacity (CEC) of the bentonite was found to be 179.0 meq/100 g of the dry bentonite. The CTA occupied ca. 175% of the CEC. The modification of bentonite with CTA in amounts higher than 55% of the CEC resulted in the change of zeta potential of particles from negative to positive. Only in reactors containing organic bentonite samples occupied with 3.5 and 28% of the CEC the P was efficiently removed from wastewater by combined adsorption and bacterial uptake in the biomass. The organic bentonite samples with higher CTA loading (from 55 to 175% of the CEC) showed the bactericidal effect. To enhance the P removal from wastewater in the aerated biological system, the organic bentonite can be used, but the special attention should be given to the configuration and location of sorbed CTA molecules and its potential desorption.

Izvorni jezik
Engleski

Znanstvena područja
Biologija, Geodezija, Grafička tehnologija



POVEZANOST RADA


Projekti:
017-0171682-0891 - Upravljanje prirodnim i ljudskim resursima –regionalni razvoj i očuvanje okoliša (Tišma, Sanja, MZOS ) ( POIROT)
119-1191155-1203 - Međuodnos mineralnih nosača i fosfat-uklanjajućih bakterija u otpadnim vodama (Hrenović, Jasna, MZOS ) ( POIROT)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Citiraj ovu publikaciju

Hrenović, Jasna; Rožić, Mirela; Ivanković, Tomislav; Anamarija Farkaš
Phosphate removal from wastewater by bacteria and organic bentonite // Third International Meeting on Environmental Biotechnology and Engineering / Isabel Sastre Conde, Hervé Macarie, Gerardo López López, Ana Mª ; ; Ibáñ ; ; ez Burgos (ur.).
Palma de Mallorca: Third International Meeting on Environmental Biotechnology and Engineering, 2008. str. 64-64 (poster, međunarodna recenzija, sažetak, znanstveni)
Hrenović, J., Rožić, M., Ivanković, T. & Anamarija Farkaš (2008) Phosphate removal from wastewater by bacteria and organic bentonite. U: Isabel Sastre Conde, Hervé Macarie, Gerardo López López, Ana Mª, , Ibáñ, & ez Burgos (ur.)Third International Meeting on Environmental Biotechnology and Engineering.
@article{article, year = {2008}, pages = {64-64}, keywords = {bentonite, bacteria, wastewater}, title = {Phosphate removal from wastewater by bacteria and organic bentonite}, keyword = {bentonite, bacteria, wastewater}, publisher = {Third International Meeting on Environmental Biotechnology and Engineering}, publisherplace = {Palma de Mallorca, \v{S}panjolska} }
@article{article, year = {2008}, pages = {64-64}, keywords = {bentonite, bacteria, wastewater}, title = {Phosphate removal from wastewater by bacteria and organic bentonite}, keyword = {bentonite, bacteria, wastewater}, publisher = {Third International Meeting on Environmental Biotechnology and Engineering}, publisherplace = {Palma de Mallorca, \v{S}panjolska} }




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