公开(公告)号：JPH11514289A

公开(公告)日：1999-12-07

申请号：JP51514797

申请日：1996-10-09

IPC: C02F1/46 ,  B01D15/00 ,  B01D35/06 ,  B01J47/08 ,  C02F1/00 ,  C02F1/469 ,  C25B9/10 ,  G01N30/02 ,  G01N30/46 ,  G01N30/50 ,  G01N30/60 ,  G01N30/96 ,  C25B11/20

公开(公告)号：JPH10258289A

公开(公告)日：1998-09-29

申请号：JP6676297

申请日：1997-03-19

Applicant: ASAHI GLASS CO LTD

Inventor： TERADA ICHIRO ,  UMEMURA KAZUO ,  IWAMOTO JUNJIRO ,  KOMATSU TAKESHI ,  MARK PHILIP FUENELGARD

IPC: B01D61/48 ,  B01J47/02 ,  B01J47/08 ,  B01J47/12 ,  C02F1/46 ,  C02F1/469

Abstract: PROBLEM TO BE SOLVED: To produce high purity deionized water of low electric resistance by a method in which in equipment in which the desalting chamber of an electrodialysis tank is filled with ion exchange resin particles, a mixture of uniform particle-sized ion exchange resin particle groups of different particle sizes is used. SOLUTION: By a process in which the desalting chamber of an electrodialyzer in which anion exchange membranes and cation exchange membranes are arranged alternately is filled with an ion exchanger, electrodialysis is done by the application of voltage while water to be treated being passed through the desalting chamber, deionized water is produced with the ion exchanger regenerated. In such an apparatus for producing deionized water, ion exchange resin particles are made to be a mixture of ion exchange particle groups of uniform particle sizes of different particle sizes, and the particles in which the particle size of an ion exchange resin particle group having the largest uniform particle size is at least 1.5 times as large as that of an ion exchange resin particle group having the smallest uniform particle size are used. The particle size of an ion exchange particle group having the smallest uniform particle size is preferably 30-600μm.

公开(公告)号：JPH1057778A

公开(公告)日：1998-03-03

申请号：JP15431597

申请日：1997-05-29

Applicant: MILLIPORE CORP

Inventor： PROULX ANDREW G

IPC: B01D63/00 ,  B01D61/48 ,  B01D61/50 ,  B01D63/08 ,  B01D65/00 ,  B01J47/08

Abstract: PROBLEM TO BE SOLVED: To provide a membrane module assembly to be used in a fluid separation method including a nonporous membrane by which a fluid to be separated is not leaked to the outside, the membrane is hardly released, the fluid is not leaked from a membrane bonding part, and the effective membrane area is maximized. SOLUTION: A nonporous ion-exchange membrane 14 is preferably bonded to a spacer 12 by vibrational welding. Each membrane-spacer assembly is bonded to the adjacent membrane-spacer assembly with an open channel formed between the membranes. An inner peripheral surface 42 is provided along the whole periphery of the open channel 43 on the rear face of the spacer 12, and an outer peripheral surface 44 adjacent to the inner peripheral surface 42 is laterally extended toward the periphery of the spacer. The outer peripheral surface 44 is raised from the inner peripheral surface 42 to store the membrane to be bonded in the region of the inner peripheral surface.

公开(公告)号：JPH10500895A

公开(公告)日：1998-01-27

申请号：JP50016396

申请日：1995-05-23

IPC: B01D61/44 ,  B01D61/48 ,  B01J47/08 ,  C02F1/42 ,  C02F1/46 ,  C02F1/469

Abstract: In an electrochemical cell arrangement for the deionization of aqueous solutions by ion exchange including cathode and anode chambers having electrodes disposed therein, a brine chamber is disposed between, and directly adjacent to, the cathode and anode chambers which are filled with anion and cation exchanger materials such that the electrodes are directly in contact therewith and means are provided for conducting the aqueous solution to be treated through the cathode and anode chambers and means for passing brine through the brine chamber to be charged therein by the ions removed from the aqueous solution in the cathode and anode chambers.

公开(公告)号：JPH08504124A

公开(公告)日：1996-05-07

申请号：JP50821394

申请日：1993-09-13

IPC: B01D61/46 ,  B01D61/48 ,  B01D61/50 ,  B01D63/08 ,  B01J47/08 ,  C02F1/42 ,  C02F1/46 ,  C02F1/469

公开(公告)号：JPH06238282A

公开(公告)日：1994-08-30

申请号：JP753091

申请日：1991-01-25

Applicant: ATOMIC ENERGY AUTHORITY UK

Inventor： NEEBUIRU JIYON BURITSUJIYAA ,  ANDORIYUU DEREKU TAANAA

IPC: C02F1/42 ,  B01J47/08 ,  C02F1/46 ,  C02F1/461 ,  C02F1/469 ,  C25B11/03 ,  C25C7/02

公开(公告)号：JPH06506867A

公开(公告)日：1994-08-04

申请号：JP50432492

申请日：1991-12-11

IPC: B01D61/48 ,  B01J47/08 ,  B01J47/12 ,  C02F1/42 ,  C02F1/46 ,  C02F1/469

公开(公告)号：JPH0579397B2

公开(公告)日：1993-11-02

申请号：JP1117085

申请日：1985-01-25

Applicant: II DEE AARU AKUIZUISHON CORP

Inventor： GERUHARUTO KUNTSU

IPC: C02F1/42 ,  B01D61/48 ,  B01J47/08 ,  C02F1/46 ,  C02F1/469

公开(公告)号：JPH04256491A

公开(公告)日：1992-09-11

申请号：JP12081891

申请日：1991-05-27

Applicant: ATOMIC ENERGY AUTHORITY UK

Inventor： NEBUIRU JIYON BURITSUJIYAA ,  KURISUTOFUAA PIITAA JIYOONZU ,  ANDORIYUU DEREKU TAANAA ,  POORIN ERIZABESU RANSUFUOODO

IPC: B01J47/00 ,  B01J47/08 ,  C02F1/42 ,  C02F1/46 ,  C25B9/10 ,  C25B11/04

Abstract: An electrode for use in electrochemical ion exchange comprises an electrically conducting element covered by at least two layers of ion exchange material. The material in one layer differs in its electrical, chemical, or ion exchange properties from that in an adjacent layer. For example a thin layer of cation exchange material underneath a thicker layer of anion exchange material may be used to inhibit the oxidation of chloride ions; a thin layer of cation exchange material covering a thicker layer of anion exchange material provides an anion-responsive electrode with enhanced selectivity for particular ions. An ion-selective anion-responsive electrode can also comprise a thin outer layer of a very weak base anion-responsive material, covering a thicker layer of a strong base material of lower electrical resistivity.

公开(公告)号：JPH04231488A

公开(公告)日：1992-08-20

申请号：JP11969991

申请日：1991-05-24

Applicant: ATOMIC ENERGY AUTHORITY UK

Inventor： ANDORIYUU DEREKU TAANAA ,  NEBUIRU JIYON BURITSUJIYAA

IPC: B01J19/00 ,  B01J47/08 ,  C02F1/42 ,  C02F1/46 ,  C02F1/461 ,  C25B1/02 ,  C25B9/00 ,  C25B9/08