The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index.
Dissolved air flotation and me
Abstract
This paper is mainly a critical review of the literature and an assessment of what we know about dissolved air flotation (DAF). A few remarks are made at the outset about the author's personal journey in DAF research, his start and its progression. DAF has been used for several decades in drinking water treatment as an alternative clarification method to sedimentation. DAF is particularly effective in treating reservoir water supplies; those supplies containing algae, natural color or natural organic matter; and those with low mineral turbidity. It is more efficient than sedimentation in removing turbidity and particles for these type supplies. Furthermore, it is more efficient in removing Giardia cysts and Cryptosporidium oocysts. In the last 20 years, fundamental models were developed that provide a basis for understanding the process, optimizing it, and integrating it into water treatment plants. The theories were tested through laboratory and pilot-plant studies. Consequently, there have been trends in which DAF pretreatment has been optimized resulting in better coagulation and a decrease in the size of flocculation tanks. In addition, the hydraulic loading rates have increased reducing the size of DAF processes. While DAF has been used mainly in conventional type water plants, there is now interest in the technology as a pretreatment step in ultrafiltration membrane plants and in desalination reverse osmosis plants.
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“In the dissolved air flotation, air (or gas) is fed to wastewater to generate micro-bubbles that could attach the metal ions, developing lower density agglomerates, leading to raising the flocs through the wastewater.The accumulated slug at the top surface can easily be removed 93 .”
From Removal of heavy metal ions from wastewater: a comprehensive and critical review (2021) · cites this paper as [93]
Citations
Cites
Modeling of swirl in turbulent flow systems
Sloan, D. G., Smith, P. J., & SMOOT, L. D. (1986) · Progress in Energy and Combustion Science · doi:10.1016/0360-1285(86)90016-x · Cited by 5,270
Water and waste water filtration. Concepts and applications
Yao, K.-M., Habibian, M. T., & O’Melia, C. R. (1971) · Environmental Science & Technology · doi:10.1021/es60058a005 · Cited by 1,709
The hydrophobic interaction is long range, decaying exponentially with distance
Israelachvili, J. N., & Pashley, R. M. (1982) · Nature · doi:10.1038/300341a0 · Cited by 1,177
Water treatment principles and design
Crittenden, C. R. B. J. (2012) · Wiley eBooks · Cited by 1,113
Comparison of model surfaces for cellulose interactions: elevated pH
Poptoshev, E., Carambassis, A., Österberg, M., Claesson, P. M., & Rutland, M. W. (2007) · Springer eBooks · doi:10.1007/3-540-44941-8_13 · Cited by 832
Friedlander, S. K. (2000) · Cited by 656
The impact of algal properties and pre-oxidation on solid–liquid separation of algae
Henderson, R. K., Parsons, S. A., & Jefferson, B. (2007) · Water Research · doi:10.1016/j.watres.2007.11.039 · Cited by 508
Measurements of Hydrophobic and DLVO Forces in Bubble-Surface Interactions in Aqueous Solutions
Ducker, W. A., Xu, Z., & Israelachvili, J. N. (1994) · Langmuir · doi:10.1021/la00021a061 · Cited by 492
Physical characteristics of flocs—I. The floc density function and aluminium floc
Tambo, N. (1979) · Water Research · doi:10.1016/0043-1354(79)90033-2 · Cited by 402
Effect of electrolytes on bubble coalescence
Craig, V. S. J., Ninham, B. W., & Pashley, R. M. (1993) · Nature · doi:10.1038/364317a0 · Cited by 374
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Sorted by citations
Removal of heavy metal ions from wastewater: a comprehensive and critical review
Qasem, N. A. A., Mohammed, R. H., & Lawal, D. U. (2021) · npj Clean Water · doi:10.1038/s41545-021-00127-0 · Cited by 2,225
Hubbe, M., Alén, R., Paleologou, M., Kannangara, M., & Kihlman, J. (2019) · BioResources · doi:10.15376/biores.14.1.2300-2351 · Cited by 153
Metadata
- Authors
- Edzwald, J. K.
- Affiliations
- University of Massachusetts Amherst (US)
- Corresponding author
- Edzwald, James K.
- Venue
- Water Research
- Publisher
- Elsevier BV
- Published
- 2010-04
- Volume
- 44
- Issue
- 7
- Pages
- 2077-2106
- ISSN
- 0043-1354 (ISSN-L)
- OpenAlex
- W2013603630
- Cited by
- 460
- References
- 74
- Citations by year
- 2026: 20 · 2025: 30 · 2024: 35 · 2023: 38 · 2022: 47 · 2021: 35 · 2020: 32 · 2019: 35 · 2018: 35 · 2017: 41 · 2016: 24 · 2015: 25 · 2014: 19 · 2013: 17 · 2012: 13
- FWCI
- 14.26
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Water Research (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
- Physical Sciences › Chemical Engineering › Filtration and Separation › Minerals Flotation and Separation Techniques
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Water Treatment and Disinfection
- Keywords
- dissolved air flotation, drinking water treatment, reservoir water, turbidity removal, Giardia cysts, Cryptosporidium oocysts, algae, natural organic matter, coagulation, flocculation, hydraulic loading rate, ultrafiltration pretreatment, reverse osmosis pretreatment, process modeling
- MeSH terms
- Air, Algorithms, Cryptosporidium, Solubility, Waste Disposal, Fluid, Water, Water Microbiology, Water Supply, Water Purification, Eukaryota
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