Pregled bibliografske jedinice broj: 425600
Perlite as a carrier of phosphate-accumulating bacteria
Perlite as a carrier of phosphate-accumulating bacteria // 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. 179-179 (predavanje, međunarodna recenzija, sažetak, znanstveni)
CROSBI ID: 425600 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Perlite as a carrier of phosphate-accumulating bacteria
Autori
Ivanković, Tomislav ; Hrenović, Jasna ; Sekovanić, Lavoslav ; Tofant, Alenka
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, 179-179
Skup
Third International Meeting on Environmental Biotechnology and Engineering
Mjesto i datum
Palma de Mallorca, Španjolska, 21.09.2008. - 25.09.2008
Vrsta sudjelovanja
Predavanje
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
perlite; bacteria; wastewater; immobilization
Sažetak
The phosphate (P)-accumulating bacteria are important for biological P removal from wastewater. Currently, attention is being drawn to the immobilisation of desired bacteria on different carriers in order to achieve a better efficiency of the wastewater treatment. In this study, two size fractions (0.1-1 and 0.1-2 mm) of different forms of expanded perlite (original, autoclaved and magnesium-exchanged) were investigated as possible carriers of P accumulating bacterium A. junii. After 24h of incubation, most of the cells in the reactors were immobilised onto the perlite particles by means of adsorptive growth, while the rest of the biomass remained as free cells in the supernatant. The highest immobilisation rate of 3.27 ± ; ; 0.13x109 CFU/g along with the highest removal of P (49.05 ± ; ; 0.97 mg/g of perlite) was in the reactors containing the magnesium-exchanged perlite of particle size 0.1-1 mm. Considering the very high bacterial biomass accompanied by high P removal and satisfactory reactor performance, the magnesium-exchanged perlite proved to be the most suitable carrier of bacteria among the materials tested in this study.
Izvorni jezik
Engleski
Znanstvena područja
Biologija
POVEZANOST RADA
Projekti:
053-0531854-1865 - Kakvoća vode i mjere sanitacije u ekološkoj proizvodnji namirnica (Tofant, Alenka, MZOS ) ( CroRIS)
119-1191155-1203 - Međuodnos mineralnih nosača i fosfat-uklanjajućih bakterija u otpadnim vodama (Hrenović, Jasna, MZOS ) ( CroRIS)
Ustanove:
Prirodoslovno-matematički fakultet, Zagreb
Profili:
Jasna Hrenović
(autor)
Tomislav Ivanković
(autor)
Lavoslav Sekovanić
(autor)
Alenka Tofant
(autor)