Journal article
Heteroflocculation in Binary Colloidal Suspensions: Monte Carlo Simulations
Journal of the American Ceramic Society, v 79(10), pp 2587-2591
Oct 1996
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
We have examined heteroflocculation in binary colloidal suspensions by Monte Carlo simulations based on a diffusion-limited-cluster-aggregation (DLCA) model modified with finite attraction energies. The simulations were performed in two dimensions. Under heteroflocculation conditions, i.e., attraction between unlike particles and repulsion between like particles, cluster size undergoes a maximum as the concentration of the second species of particles is increased, similar to the experimental results in both binary suspensions and suspensions with adsorbing polymers. The initial increase in cluster size at low concentrations of the second species of particles is due to the mutual attraction between unlike particles. The decrease in cluster size at higher concentrations of the second species of particles is due to the repulsion between the second species of particles. The distinction between heteroflocculation and particulate depletion flocculation is discussed.
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Details
- Title
- Heteroflocculation in Binary Colloidal Suspensions: Monte Carlo Simulations
- Creators
- Wan Y. Shih - Drexel University, School of Biomedical Engineering, Science, and Health SystemsWei-Heng Shih - Drexel University, Materials Science and EngineeringIlhan A. Aksay - Department of Chemical Engineering and Princeton Materials Institute, Princeton University, Princeton, New Jersey 08544-5211, Department of Materials Engineering, Drexel University, Philadelphia, Pennsylvania 19104
- Publication Details
- Journal of the American Ceramic Society, v 79(10), pp 2587-2591
- Publisher
- Blackwell Publishing Ltd
- Number of pages
- 5
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems; Materials Science and Engineering
- Web of Science ID
- WOS:A1996VP02100011
- Scopus ID
- 2-s2.0-0030259887
- Other Identifier
- 991019170606904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Materials Science, Ceramics