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001-es BibID:BIBFORM098746
035-os BibID:(cikkazonosító)2112 (WoS)000644099500001 (Scopus)85106221660
Első szerző:Figler Aida (okleveles hidrobiológus)
Cím:Effects of Nutrient Content and Nitrogen to Phosphorous Ratio on the Growth, Nutrient Removal and Desalination Properties of the Green Alga Coelastrum morus on a Laboratory Scale / Figler Aida, Márton Kamilla, B-Béres Viktória, Bácsi István
Dátum:2021
ISSN:1996-1073
Megjegyzések:In wastewater, nutrient concentrations and salinity vary substantially, however, the optimal N:P ratio for the treatment using microalgae is not well described. In this study, the effects of higher and lower nitrate and phosphate contents and N:P ratios on growth, nutrient removal ability and halotolerance of the common green alga Coelastrum morus were investigated in model solutions. The results suggest that high nitrate content (above 100 mg L-1) with a similarly high phosphate concentration (resulting low N:P ratio) is not favorable for growth. The studied isolate can be considered as a halotolerant species, showing remarkable growth up to 1000 mg L?1 NaCl and it seems that despite the negative effects on growth, higher nutrient content contributes to higher halotolerance. A significant amount of nitrate removal was observed in media with different nutrient contents and N:P ratios with different salt concentrations. High N:P ratios favor phosphate removal, which is more inhibited by increasing NaCl concentration than nitrate uptake. Overall, with a relatively higher nutrient content and a favorable (5 or higher) N:P ratio, a common green algal species such as C. morus could be a promising candidate next to species from the Chlorellaceae and Scenedesmaceae families.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
green alga
nutrient content
N:P ratio
salt tolerance
nutrient removal
salt content reduction
Megjelenés:Energies. - 14 : 8 (2021), p. 1-16. -
További szerzők:Márton Kamilla (1995-) (tanszéki mérnök) B-Béres Viktória (1981-) (biológus) Bácsi István (1977-) (biológus)
Pályázati támogatás:NKFIH FK 131 917
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2.

001-es BibID:BIBFORM082389
035-os BibID:(cikkazonosító)2527 (Wos)000507378600100 (Scopus)85085000484
Első szerző:Figler Aida (okleveles hidrobiológus)
Cím:Salt Tolerance and Desalination Abilities of Nine Common Green Microalgae Isolates / Figler Aida, B-Béres Viktória, Dobronoki Dalma, Márton Kamilla, Nagy Sándor Alex, Bácsi István
Dátum:2019
ISSN:2073-4441
Megjegyzések:Abstract: In recent years, decline of freshwater resources has been recognized as one of the main environmental problems on global level. In addition to the increasing extent of primary salinization due to climate change, secondary salinization caused by human interventions is also a significantly increasing problem, therefore, the development of various chemical-free, biological desalination and removal procedures will become increasingly important. In the present study, the salinity tolerance, salinity, and nutrient reducing ability of nine common freshwater microalgae species from the genera Chlorella, Chlorococcum, Desmodesmus, Scenedesmus, and Monoraphidium were investigated. Our results proved that the studied green microalgae species are halotolerant ones, which are able to proliferate in environments with high salt concentrations. Furthermore, most of the species were able to reduce conductivity and remove significant amounts of chloride (up to 39%) and nutrients (more than 90% nitrate). The results proved that nitrate removal of the studied species was not influenced by salt concentration, only indirectly via growth inhibition. However, the results also highlighted that N:P ratio of the medium has primarily importance in satisfactory phosphorous removal. It can be concluded that assemblages of the studied microalgae species could be able to adapt to changing conditions even of salt-rich wastewaters and improve water quality during bioremediation processes.
Tárgyszavak:Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
green microalgae
salt tolerance
conductivity reduction
nutrient removal
Megjelenés:Water. - 11 : 12(2019), p. 1-17. -
További szerzők:B-Béres Viktória (1981-) (biológus) Dobronoki Dalma (1992-) (hidrobiológus) Márton Kamilla (1995-) (tanszéki mérnök) Nagy Sándor Alex (1956-) (hidrobiológus) Bácsi István (1977-) (biológus)
Pályázati támogatás:GINOP-2.2.1-15-2016-00029
GINOP
GINOP-2.3.2-15-2016-00019
GINOP
NKFIH-1150-6/2019
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