ELECTROKINETIC DENSIFICATION OF COAL FINES IN WASTE PONDS | Zendy

E. James Davis | Zendy

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ELECTROKINETIC DENSIFICATION OF COAL FINES IN WASTE PONDS

Author(s) -

E. James Davis

Publication year - 1999

Language(s) - English

Resource type - Reports

DOI - 10.2172/766750

Subject(s) - electrokinetic phenomena , flocculation , coal , suspension (topology) , environmental science , waste management , colloid , colloidal particle , coal mining , environmental engineering , materials science , chemical engineering , engineering , nanotechnology , mathematics , homotopy , pure mathematics

The objective of this research was to demonstrate that electrokinetics can be used to remove colloidal coal and mineral particles from coal-washing ponds and lakes without the addition of chemical additives such as salts and polymeric flocculants. The specific objectives were: Design and develop a scaleable electrophoresis apparatus to clarify suspensions of colloidal coal and clay particles; Demonstrate the separation process using polluted waste water from the coal-washing facilities at the coal-fired power plants in Centralia, WA; Develop a mathematical model of the process to predict the rate of clarification and the suspension electrical properties needed for scale up

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