公开(公告)号：JPH03154660A

公开(公告)日：1991-07-02

申请号：JP29537389

申请日：1989-11-14

Applicant: AGENCY IND SCIENCE TECHN

Inventor： ARAI SATOSHI ,  KAMEGAYA HIROSHI ,  OOI HIDEFUSHI

IPC: B03C7/00

Abstract: PURPOSE:To efficiently separate dielectric particles by causing specific solid particles to move through a hole into other liquid chamber through the difference of electric forces exerted on solid particles due to differences in dielectric constant thereof in a heterogeneous electric field. CONSTITUTION:Solid particles containing particles to be separated are dispersed into dielectric liquid to be filled or supplied into a liquid chamber 2 or a liquid chamber 3 which are separated from each other by a partition wall 4. A high voltage is applied between electrodes 14 and 15 provided respectively in the chambers 2 and 3, while the chamber 2 communicates with the chamber 3 through a hole 5 provided in the wall 4, whereby a heterogeneous electric field is formed in the dielectric liquid in both the chambers through the hole 5. In the heterogeneous electric field, electric forces exerted on the solid particles differ due to the difference in intrinsic dielectric constant of solid particles, so that a part of the solid particles are transferred to the other liquid chamber through the hole 5 to effect desired separation of solid particles. As a result, dielectric particles can be separated efficiently.

公开(公告)号：JPH0365258A

公开(公告)日：1991-03-20

申请号：JP19988089

申请日：1989-08-01

Applicant: AGENCY IND SCIENCE TECHN

Inventor： HASUDA TETSUHIKO ,  KAMEGAYA HIROSHI ,  OGAWA KATSUMI

IPC: B03D1/24

Abstract: PURPOSE:To generate fine foams and carry out effective selection of fine particles by providing a gas chamber around a porous sintering tube having micro-voids, feeding gas into said gas chamber and flowing liquid inside the sintering tube. CONSTITUTION:A gas chamber 9 is provided around a porous sintering tube 7 having micro-voids in a fine foam generating section 1, and gas is fed into the gas chamber 9 and liquid is flowed inside the sintering tube 7 to generate shearing force generated by the liquid to the foams generated in the sintering tube 7 through a tube wall and generate fine foams in the liquid. Further, substances to be selected being contained in the liquid are selected and recovered at a selecting section 2 by the fine foams generated in the fine foam generating section 1. As a result, fine particles can be selected effectively by generating fine foams of approximately 100mu or smaller. For instance, industrial waste gas is introduced from a porous sintering tube outer wall and sea water is flowed in the porous sintering tube and reacted therein to be used for fixing carbon dioxide gas.