Abstract
Experimental studies have been carried out about improvement of hydro-cyclone performance by use of local electrostatic field and fluid flow control method in the upper plate. By use of the local electrostatic field applied in the under-flow section, with the center lod as a negative electrode and the outer wall as a positive electrode, the particle separation performance was improved.By use of pre-treatment of feed slurry mixing in electrostatic potential field, particle separation performance increased with the increase of absolute value of negative zeta potential. The partial separation efficiency increased in case of the special ring attached on the upper plate in order to improve particle separation performance. The optimum angle of the special ring was found from the experimental data. By use of the proposed methods, the separation efficiency of particle is increased and the proposed new methods may be effective in practical separation process.
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