Influence of Bacillus subtilis on the surface behavior and separation of talc and chlorite minerals
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Samah M. El-Sayed
Samah M. El-Sayed is a researcher at the Department of Mineral Beneficiation and Agglomeration at Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egypt. The area of scientific interest includes mineral beneficiation and upgrading through gravity, flotation and magnetic separation techniques. Also, it includes the application of microorganisms for bio-flotation and bio-flocculation of minerals for improving their grades through gangues removal.
Samah S. Abdalla is a researcher at the Department of Mineral Beneficiation and Agglomeration at Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egypt. The area of scientific interest includes mineral beneficiation and upgrading through gravity, flotation and magnetic separation techniques. Also, it includes the application of microorganisms for bio-flotation and bio-flocculation of minerals for improving their grades through gangues removal.
Mohamed A. Abdel-Khalek is a Head of the Department of Mineral Beneficiation and Agglomeration at Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egypt. The area of scientific interest includes mineral beneficiation and upgrading through gravity, flotation and magnetic separation techniques. It includes also, the application of microorganisms for bio-flotation and bio-flocculation of minerals for improving their grades through gangues removal. Another area of interest is the treatment of industrial waste water using natural products such as minerals and industrial wastes.
Abstract
Bacillus subtilis was used as a bio-surface modifier to improve the floatability of talc mineral (Mg3Si4O10(OH)2) in the talc ore. The surface behavior of chlorite mineral as the main associated gangue with talc mineral was studied in the presence of B. subtilis using zeta potential, scanning electron microscopy, and Fourier-transform infrared spectroscopy techniques. The floatability of both minerals was investigated as a function of pH, contact time, and concentration of B. subtilis. The results showed that the zeta potential of the talc mineral was strongly influenced by the treatment with B. subtilis. The maximum separation efficiency of talc from chlorite was achieved at pH 4. A talc concentrate with 98% quality and about 95% recovery was prepared from a binary talc-chlorite mixture containing 85% talc under optimum conditions of 8 × 105 cells/mL B. subtilis, pH 4, 35°C, and a contact time of 10 min.
About the authors
Samah M. El-Sayed is a researcher at the Department of Mineral Beneficiation and Agglomeration at Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egypt. The area of scientific interest includes mineral beneficiation and upgrading through gravity, flotation and magnetic separation techniques. Also, it includes the application of microorganisms for bio-flotation and bio-flocculation of minerals for improving their grades through gangues removal.
Samah S. Abdalla is a researcher at the Department of Mineral Beneficiation and Agglomeration at Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egypt. The area of scientific interest includes mineral beneficiation and upgrading through gravity, flotation and magnetic separation techniques. Also, it includes the application of microorganisms for bio-flotation and bio-flocculation of minerals for improving their grades through gangues removal.
Mohamed A. Abdel-Khalek is a Head of the Department of Mineral Beneficiation and Agglomeration at Central Metallurgical Research & Development Institute (CMRDI), Cairo, Egypt. The area of scientific interest includes mineral beneficiation and upgrading through gravity, flotation and magnetic separation techniques. It includes also, the application of microorganisms for bio-flotation and bio-flocculation of minerals for improving their grades through gangues removal. Another area of interest is the treatment of industrial waste water using natural products such as minerals and industrial wastes.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: Not declared.
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Conflict of interest: Not declared.
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© 2022 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Novel Cleaning Concepts
- Innovative foam-based cleaning concepts for historical objects
- Automatic Dishwashing
- Development of an imaging station and scoring model for automatic dishwashing evaluation
- Physical Chemistry
- Thermodynamics of complex chemical equilibria in surfactant mixtures
- Dispersion of copper phthalocyanine pigment nanoparticles by eco-friendly ethoxylated cardanol in aqueous solution
- Study on the compounding of sodium N-lauroyl glutamate and cationic cellulose
- Interaction of Direct Blue 86 with cationic surfactant micelles: spectroscopic, conductometric and thermodynamic aspects
- Novel Surfactants
- Oligomeric cationic Gemini surfactants: synthesis, surface activities and rheological properties as thickener
- Application
- Influence of Bacillus subtilis on the surface behavior and separation of talc and chlorite minerals
Articles in the same Issue
- Frontmatter
- Novel Cleaning Concepts
- Innovative foam-based cleaning concepts for historical objects
- Automatic Dishwashing
- Development of an imaging station and scoring model for automatic dishwashing evaluation
- Physical Chemistry
- Thermodynamics of complex chemical equilibria in surfactant mixtures
- Dispersion of copper phthalocyanine pigment nanoparticles by eco-friendly ethoxylated cardanol in aqueous solution
- Study on the compounding of sodium N-lauroyl glutamate and cationic cellulose
- Interaction of Direct Blue 86 with cationic surfactant micelles: spectroscopic, conductometric and thermodynamic aspects
- Novel Surfactants
- Oligomeric cationic Gemini surfactants: synthesis, surface activities and rheological properties as thickener
- Application
- Influence of Bacillus subtilis on the surface behavior and separation of talc and chlorite minerals
