AI Article Synopsis
- A study demonstrated that Moringa tree seed protein promotes flocculation of polystyrene latex particles, leading to dense aggregates.
- Electrolytes like sodium chloride, ferric chloride, and aluminum sulfate were tested, with ferric chloride showing the highest effectiveness in inducing flocculation.
- Results indicated that floc density and fractal dimensions increased with higher concentrations of both particles and salts, with flocculation occurring at lower concentrations for ferric chloride and aluminum sulfate compared to sodium chloride.
Article Abstract
Studies with a model system consisting of polystyrene latex particles showed that the protein from seeds of Moringa trees adsorbs to the surface and causes flocculation as unusually dense aggregates. In this study, electrolytes sodium chloride (NaCl), ferric chloride (FeCl) and aluminium sulfate (Al(SO)) have been used to aggregate model polystyrene particles. The study augments previous work using neutron scattering on the flocculation of polystyrene latex with protein from seeds of Moringa trees that had indicated higher floc dimension, d, values as the concentration of particles increased. The measurements were made using ultra small-angle neutron scattering. Generally the fractal dimension, and thus the floc density, increased with particle concentration and salt concentration. Flocculation was apparent at much lower concentrations of FeCl and Al(SO) than of NaCl. The values of d were found not to simply scale with ionic strength for the three electrolytes studied with FeCl being the most effective flocculating agent.
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| http://dx.doi.org/10.1016/j.jcis.2017.05.047 | DOI Listing |
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