The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.
Hazardous cyanobacteria integrity response to velocity gradient and powdered activated carbon in water treatment plants
Open accessAbstract
Although some studies have investigated the impact caused by chemicals used on water treatment (coagulants and oxidants) on cyanobacteria integrity, the isolated effect of shear stress during coagulation is still not fully understood. This study evaluated the impact of different velocity gradients, mixing times, and the addition of powdered activated carbon (PAC) on the integrity of Microcystis aeruginosa, Raphidiopsis raciborskii, and Dolichospermum circinale, known producers of toxin and taste and odor (T&O) compounds. No association was found between R. raciborskii cell lysis and velocity gradient, with or without PAC, demonstrating the high resilience of this taxon to shear stress. In contrast, an association was found for M. aeruginosa at the highest velocity gradient evaluated (1000 s-1) and for D. circinale above the lowest velocity gradient studied (600 s-1). After PAC addition, there was a reduction in the chances of finding M. aeruginosa intact cells above velocity gradient 800 s-1 at 45 s, while D. circinale show cell lysis in all the scenarios expect at 600 s-1 and 10 s of agitation. The additional impact of PAC on cell lysis may lead to more release of metabolites and shows the need to adjust the hydraulic conditions in the rapid mixing stage, especially when more "fragile" cyanobacteria are present. Neither cyanobacterial cell size nor morphology was shown to be relevant to shear stress sensitivity, indicating that cell wall composition might have been an important factor in controlling cell lysis.
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“the mechanical stress under these conditions could lead to the damage of cyanobacterial thricomes [57].”
From Arthrospira platensis Cultivation in a Bench-Scale Helical Tubular Photobioreactor (2022) · cites this paper as [57]
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Research works printed but not linked: 2
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- Paerl, 2016, Mitigating cyanobacterial harmful algal blooms in aquatic ecosystems impacted by climate change and anthropogenic nutrients, Harmful Algae, 10.1016/j.hal.2015.09.009 · DOI
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Arthrospira platensis Cultivation in a Bench-Scale Helical Tubular Photobioreactor
Casazza, A. A., de Souza Oliveira, R. P., Silva, M. F. D., Solisio, C., Farias, C. B. B., Sarubbo, L. A., & Converti, A. (2022) · Applied Sciences · doi:10.3390/app12031311 · Cited by 17
Metadata
- Authors
- Oliveira, S., Clemente, A., Menezes, I., Gois, A., Carloto, I., Lawton, L., & Capelo-Neto, J.
- Affiliations
- Universidade Federal do Ceará (BR)
- Robert Gordon University (GB)
- Venue
- Science of The Total Environment
- Publisher
- Elsevier BV
- Published
- 2021-06
- Volume
- 773
- Pages
- 145110
- ISSN
- 0048-9697 (ISSN-L)
- OpenAlex
- W3126373147
- Cited by
- 14
- References
- 57
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 3 · 2023: 4 · 2022: 3 · 2021: 1
- FWCI
- 1.04
- Type
- journal article
- Language
- en
- Open access
- Licence
- Locations
- The Science of The Total Environment (publishedVersion)
- PubMed (publishedVersion)
- LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
- Open Access Institutional Repository at Robert Gordon University (Robert Gordon University) (submittedVersion, cc-by-nc-nd)
- Funders
- Fundação Cearense de Apoio ao Desenvolvimento Científico e Tecnológico (PNE-0112-00042.01.00/16)
- Engineering and Physical Sciences Research Council (EP/P029280/1)
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (88887.311806/2018-00, PROEX 20/2016)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (304164/2017-8, 403116/2016-3)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Water Treatment and Disinfection
- Keywords
- cyanobacteria, shear stress, velocity gradient, powdered activated carbon, Microcystis aeruginosa, Raphidiopsis raciborskii, cell lysis, rapid mixing, coagulation, taste and odor compounds, cyanotoxins, cell wall composition, water treatment
- MeSH terms
- Cyanobacteria, Charcoal, Powders, Water Purification, Cylindrospermopsis
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