David Škufca (Author), Franja Prosenc (Author), Tjaša Griessler Bulc (Author), Ester Heath (Author)

Abstract

The removal of 18 bisphenols at wastewater relevant concentrations (μgL−1range) was investigated and com-pared between Chlorella vulgaris cultures with pH adjusted to 6.8 and pH non-adjusted cultures where pH raised to above 10. Bisphenols with a high partition coefficient (log P > 6) partitioned to biomass soon after spiking, whereas bisphenols with a low partition coefficient (log P < 4) remained largely in the aqueous phase. Hydro-phobic bisphenols and BPF isomers were removed to a large degree in pH adjusted conditions, while BPS and BPAF were the most recalcitrant. The overall average removal after 13 days was similar in both experiments, with 72 ± 2% and 73 ± 5% removed in pH non-adjusted and pH adjusted series, respectively. The removal cor-related with chlorophyll concentration for most bisphenols meaning that algae played a crucial role in their removal, while culture pH also governed the removal of some compounds.

Keywords

microalgae;photobioreactor;contaminants;biodegradation;mass balance;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UL ZF - University College of Health Studies
UDC: 502/504
COBISS: 74097923 Link will open in a new window
ISSN: 0048-9697
Views: 191
Downloads: 108
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Other data

Secondary language: Slovenian
Secondary keywords: mikroalge;fotobioreaktor;onesnaževalci;biorazgradnja;masna bilanca;
Pages: str. 149878-1-149878-9
Issue: ǂVol. ǂ804
Chronology: Jan. 2022
DOI: 10.1016/j.scitotenv.2021.149878
ID: 14219192