Cited by 168Pharmaceutical and Antibiotic Environmental ImpactsAlgal biology and biofuel productionConstructed Wetlands for Wastewater Treatment

Algal Cultivation in Urban Wastewater: An Efficient Way to Reduce Pharmaceutical Pollutants

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Gentili, Francesco G., Fick, Jerker·2017·Journal of Applied Phycology

Abstract

The purpose of this study was to investigate whether pharmaceutical pollutants in urban wastewater can be reduced during algal cultivation. A mixed population of wild freshwater green algal species was grown on urban wastewater influent in a 650 L photobioreactor under natural light and with the addition of flue gases. Removal efficiencies were very high (>90 %), moderate (50-90 %), low (10-50 %), and very low or non-quantifiable (<10 %) for 9, 14, 11, and 18 pharmaceuticals, respectively, over a 7-day period. High reduction was found in the following pharmaceuticals: the beta-blockers atenolol, bispropol, and metoprolol; the antibiotic clarithromycine; the antidepressant bupropion; the muscle relaxant atracurium; hypertension drugs diltiazem and terbutaline used to relive the symptoms of asthma. Regression analysis did not detect any relationship between the reduction in pharmaceutical contents and light intensity reaching the water surface of the algal culture. However, the reduction was positively correlated with light intensity inside the culture and stronger when data collected during the night were excluded. Algae cultivation can remove partially or totally pharmaceutical pollutants from urban wastewater, and this opens up new possibilities for treating urban wastewater.

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  • Integration of algal cultivation with wastewater and CO2-rich waste gases can enhance algal biomass accumulation and improve carbon capture efficiency while mitigating environmental impacts.

    “In addition, several studies have explored the integration of algal cultivation with wastewater [130,131] and CO 2 -rich waste gases [132,133] to enhance algal biomass accumulation and improve carbon capture efficiency while mitigating environmental impacts.”

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Authors
Gentili, F. G., & Fick, J.
Affiliations
  • Swedish University of Agricultural Sciences (SE)
  • Umeå University (SE)
Corresponding author
Gentili, Francesco G.
Venue
Journal of Applied Phycology
Published
2016-09-03
Volume
29
Issue
1
Pages
255-262
ISSN
  • 0921-8971 (ISSN-L)
  • 1573-5176
OpenAlex
W2510704615
Cited by
168
References
39
Citations by year
2026: 11 · 2025: 12 · 2024: 25 · 2023: 18 · 2022: 15 · 2021: 33 · 2020: 26 · 2019: 16 · 2018: 6 · 2017: 6
FWCI
5.10
Type
journal article
Language
en
Open access
Locations
  • Journal of Applied Phycology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
Swedish Energy Agency
Topics
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Constructed Wetlands for Wastewater Treatment
Keywords
pharmaceutical pollutants, municipal wastewater, algae cultivation, wastewater treatment, photobioreactors, freshwater green algae, light intensity, flue gas, beta-blockers, clarithromycin, bupropion, atracurium, diltiazem, terbutaline, atenolol, metoprolol, pollutant removal

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