Functionalized magnetite nanoparticles with Moringa oleifera with potent antibacterial action in wastewater

Contaminations by Staphylococcus aureus in food industry environments have been extended to industrial Effluent Treatment Plant (ETP). The methodologies used in ETP for bacterial removals and quality parameters adjustment commonly use products toxic to the environment, being mostly inefficient again...

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Veröffentlicht in:Environmental technology. - 1993. - 42(2021), 27 vom: 03. Nov., Seite 4296-4305
1. Verfasser: Oliveira, Alessandra Marjorie de (VerfasserIn)
Weitere Verfasser: Mateus, Gustavo Affonso Pisano, Santos, Tássia Rhuna Tonial Dos, Filho, Benício Alves de Abreu, Gomes, Raquel Guttierres, Bergamasco, Rosangela
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Staphylococcus aureus Wastewater bacterial inactivation nanotechnology natural coagulant Anti-Bacterial Agents Magnetite Nanoparticles Waste Water
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100 1 |a Oliveira, Alessandra Marjorie de  |e verfasserin  |4 aut 
245 1 0 |a Functionalized magnetite nanoparticles with Moringa oleifera with potent antibacterial action in wastewater 
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520 |a Contaminations by Staphylococcus aureus in food industry environments have been extended to industrial Effluent Treatment Plant (ETP). The methodologies used in ETP for bacterial removals and quality parameters adjustment commonly use products toxic to the environment, being mostly inefficient against virulent bacteria such as S. aureus. Seeds of Moringa oleifera Lam. (MO) have potential to be used in ETP as an alternative to harmful products, as it has both the ability to regulate the physicochemical parameters of water and has antibacterial action. Functionalization of MO with magnetite magnetic nano particles (Fe3O4) at nano scale focusing on coagulation and flocculation of wastewater has been gaining prominence. Therefore, the present study evaluated the potential use of the magnetic coagulant MO-Fe3O4 in the elimination of S. aureus in synthetic dairy effluent; concomitantly sought to adjust the quality levels of physicochemical parameters. MO-Fe3O4 added to synthetic dairy effluent at different concentrations amounted to 16 treatments, which were evaluated for removal of color, turbidity, UV254nm and S. aureus on the effluent surface and sludge after 30 min of sedimentation. The results confirmed the efficient elimination of S. aureus simultaneously with a significant reduction of the physicochemical values, with constant efficiency up to 30 min. Scanning electron microscopy images confirm the removal of S. aureus on the effluent surface and sludge. Thus, this study was able to present a natural coagulant capable of remove bacteria and adjust the quality levels of the effluent after 10 min of sedimentation, making this biotechnological innovation highly applicable to ETP 
650 4 |a Journal Article 
650 4 |a Staphylococcus aureus 
650 4 |a Wastewater 
650 4 |a bacterial inactivation 
650 4 |a nanotechnology 
650 4 |a natural coagulant 
650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a Magnetite Nanoparticles  |2 NLM 
650 7 |a Waste Water  |2 NLM 
700 1 |a Mateus, Gustavo Affonso Pisano  |e verfasserin  |4 aut 
700 1 |a Santos, Tássia Rhuna Tonial Dos  |e verfasserin  |4 aut 
700 1 |a Filho, Benício Alves de Abreu  |e verfasserin  |4 aut 
700 1 |a Gomes, Raquel Guttierres  |e verfasserin  |4 aut 
700 1 |a Bergamasco, Rosangela  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 42(2021), 27 vom: 03. Nov., Seite 4296-4305  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnas 
773 1 8 |g volume:42  |g year:2021  |g number:27  |g day:03  |g month:11  |g pages:4296-4305 
856 4 0 |u http://dx.doi.org/10.1080/09593330.2020.1754923  |3 Volltext 
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