C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/469 (2006.01) B01D 17/06 (2006.01) B01D 21/00 (2006.01)
Patent
CA 2101885
A method of separating an aqueous colloidal solution by agglomeration into water and agglomerate of colloidal particles by applying voltage to the aqueous colloidal solution to promote the agglomeration of colloidal particles. The frequency of the voltage to be applied to the aqueous colloidal solution is increased to about 10kHz to improve efficiency of agglomeration and suppress electrolysis of water. As the frequency is increased, hydrogen is generated earlier than the reaction of oxygen generated by the electrolysis of water with the colloidal particles, thus not oxidizing the colloidal particles. Further, as the frequency is increased, the colloidal particles tend to obtain a greater oscillation energy, thus facilitating the agglomeration thereof.
Cette invention concerne une méthode de séparation de particules colloïdales en solution aqueuse par agglomération des particules colloïdales présentes dans l'eau, sous l'effet d'une tension appliquée à ladite solution. La fréquence du courant appliqué à la solution colloïdale est augmentée d'environ 10 kHz pour maximiser l'agglomération et prévenir l'électrolyse de l'eau. L'augmentation de la fréquence fait en sorte que l'hydrogène est libéré avant que l'oxygène produit par électrolyse de l'eau puisse exyder les particules colloïdales. De plus, à mesure que la fréquence augmente, les particules colloïdales ont tendance à manifester plus d'énergie oscilllatoire, ce qui favorise leur agglomération.
Abe Naoki
Inoue Noboru
Kawahara Fumio
Gowling Lafleur Henderson Llp
Mec International Corporation
Toyota Jidosha Kabushiki Kaisha
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