Comprehensive understanding of nano-sized particle separation processes using nanoparticle tracking analysis

The understanding of nano-sized particle separation processes has been limited by difficulties of nanoparticle characterization. In this study, nanoparticle tracking analysis (NTA) was deployed to evaluate the absolute particle size distributions in laboratory scale flocculation and filtration exper...

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Bibliographic Details
Published in:Water science and technology 2015-12, Vol.72 (12), p.2318-2324
Main Authors: Lawler, Desmond F, Youn, Sungmin, Zhu, Tongren, Kim, Ijung, Lau, Boris L T
Format: Article
Language:English
Subjects:
Acids
Benzopyrans
Calcium Compounds - chemistry
Citric Acid - chemistry
Destabilization
Electrolytes
Environmental science
Experiments
Filtration
Flocculation
Humic Substances
Hydrogen-Ion Concentration
Magnesium Compounds - chemistry
Metal Nanoparticles - chemistry
Metal Nanoparticles - classification
Microscopy
Nanoparticles
Nanoparticles - analysis
Nanoparticles - chemistry
Nanoparticles - classification
Nitrates
Nitrates - chemistry
Osmolar Concentration
Particle Size
Povidone - chemistry
Separation
Separation processes
Silver
Sodium
Software
Tracking
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Summary:The understanding of nano-sized particle separation processes has been limited by difficulties of nanoparticle characterization. In this study, nanoparticle tracking analysis (NTA) was deployed to evaluate the absolute particle size distributions in laboratory scale flocculation and filtration experiments with silver nanoparticles. The results from NTA were consistent with standard theories of particle destabilization and transport. Direct observations of changes in absolute particle size distributions from NTA enhance both qualitative and quantitative understanding of particle separation processes of nano-sized particles.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2015.459