# US 4,395,321 A · Separator electrolytic cell

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- Number: US 4,395,321 A
- Document ID: US4395321A
- Status: Granted
- Kind: A
- Application number: 06/284,517
- Filed: 1981-07-17
- Granted: 1983-07-26
- Earliest claimed: 1980-07-17
- Assignees: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
- Inventors: Tokuzo Iijima; Yasushi Samejima; Kazuo Kishimoto; Kimihiko Kono
- Web page: https://patentgrep.com/patent/US4395321A

## CPC

- C25B 9/19: with diaphragms
- C25B 9/015: Cylindrical cells
- C25B: ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR (anodic or cathodic protection C23F13/00; single-crystal growth C30B)

## Abstract

A separator electrolytic cell is disclosed which comprises a first electrode compartment surrounded with a releasable wall plate and a glove-shaped finger and a second electrode compartment surrounded with remaining cell walls, a cell top cover and the glove-shaped finger. A sheet-like separator is immediately installed to the cell without any peculiar processing and the cell facilitates assembly and disassembly and provides tight sealing.

## Claims

### Claim 1

An electrolytic cell for the production of an aqueous alkali metal hydroxide liquor by the electrolysis of an aqueous alkali metal halide solution, wherein the cell is partitioned by a glove-shaped finger comprising two finger-shaped supports having fingers and extending parallel toward the inside of the cell from the opposite inner peripheries of a releasable plate secured to an inner wall of the cell by one releasable wall plate and a separator positioned adjacent to the fingers, said glove-shaped finger separating the cell into a first electrode compartment including said wall plate and a second electrode compartment including remainder walls of the cell, the first electrode compartment comprising at least one anode or cathode inserted in the glove-shaped finger and mounted on the releasable wall plate, and the second electrode compartment comprising opposite polar electrodes arranged along the outer surface of the separator of the glove-shaped finger.

### Claim 2 (depends on 1)

The separator electrolytic cell of claim 1, wherein the one releasable wall plate is a side plate.

### Claim 3 (depends on 2)

The separator electrolytic cell of claim 2, wherein the electrodes in the second electrode compartment are mounted on a bottom plate of the cell.

### Claim 4 (depends on 2)

The separator electrolytic cell of claim 2, wherein the electrodes in the second electrode compartment are mounted on a side plate oppositing the side plate included in the first electrode compartment.

### Claim 5 (depends on 2)

The separator electrolytic cell of claim 2, wherein the electrodes in the second electrode compartment are mounted on a cell top cover.

### Claim 6 (depends on 1)

The separator electrolytic cell of claim 1, wherein the one releasable wall plate is the cell top cover.

### Claim 7 (depends on 6)

The separator electrolytic cell of claim 6, wherein the electrodes in the second electrode compartment are mounted on the bottom plate of the cell.

### Claim 8 (depends on 6)

The separator electrolytic cell of claim 6, wherein the electrodes in the second electrode compartment are mounted on a side plate of the cell.

### Claim 9 (depends on 1)

The separator electrolytic cell of claim 1, wherein the one releasable wall plate is the bottom plate of the cell.

### Claim 10 (depends on 9)

The separator electrolytic cell of claim 9, wherein the electrodes in the second electrode compartment are mounted on the cell top cover.

### Claim 11 (depends on 9)

The separator electrolytic cell of claim 9, wherein the electrodes in the second electrode compartment are mounted on a side plate of the cell.