Nutrients Removal from Aquaculture Wastewater by Biofilter/Antibiotic-Resistant Bacteria Systems

Autor: Nicoleta-Oana Nicula, Eduard-Marius Lungulescu, Ioannis A. Ieropoulos, Gimi A. Rimbu, Ortansa Csutak
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Water, Vol 14, Iss 4, p 607 (2022)
Druh dokumentu: article
ISSN: 2073-4441
DOI: 10.3390/w14040607
Popis: The presence of nutrients in aquaculture water bodies causes serious problems for aquatic ecosystems, requiring the development of technical solutions to reduce their amounts. This work identifies some bacterial strains that are able to reduce nutrient quantities and studies the effect of antibiotics on bacterial growth, on the ability to form biofilms on different solid supports, and on the ability to reduce nutrients in aquaculture wastewater. Bacterial biofilm adhesion on different substrates depends on the surface properties of the substrate, on the bacterial types that form the biofilm, but also on biofilm–substrate interactions. The obtained results revealed the high capacity of biofilm-forming bacterial strains of Pseudomonas aeruginosa and Chromobacterium violaceum to eliminate up to 87% of nitrate and nitrite ions and up to 62% of phosphate ions in the presence of concentrations of 0.1–0.4 µg/mL of oxytetracycline antibiotic from aquaculture wastewater.
Databáze: Directory of Open Access Journals