[특허]Membraneless water electrolyzer

Membraneless water electrolyzer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C02F-001/46 C25B-001/26 C25B-015/08
출원번호	US-0497742 (1995-07-03)
발명자 / 주소	Ando Shigeru (Kita-kyushi JPX) Haraga Hisato (Kita-kyushi JPX) Miyahara Hidetaka (Kita-kyushi JPX) Tanaka Junji (Kita-kyushi JPX) Takamatsu Hiroshi (Kita-kyushi JPX)
출원인 / 주소	Toto Ltd. (Fukuoka JPX 03)
인용정보	피인용 횟수 : 24 인용 특허 : 0

초록 ▼

A water electrolyzer for electrolyzing water to produce and recover acidic and/or alkaline water. The electrolyzer is of the membraneless laminar-flow type which is designed to electrolyze water without placing a membrane between the electrodes. To this end, the anode and cathode are arranged closely with one another with a very small spacing (generally less than 1 mm) to establish a laminar flow in a narrow flow path. The anode is provided with a slit-shaped aperture for separating a thin layer of acidic water flowing along the anode surface. This aperture is situated sufficiently upstream of the downstream end of the flow path to ensure that the layer of acidic water is separated away from the remainder of the laminar flow while the laminar flow is sustained in the flow path. Accordingly, formation of turbulence at a point of acidic water separation is minimized so that highly acidic water can be recovered.

대표청구항 ▼

A process for producing chlorinated acidic water by the electrolysis of an aqueous solution of sodium chloride, said process comprising the steps of: providing a flow path having a slit-shaped cross-section and having an upstream end and a downstream end, said flow path being defined by first and second opposite surfaces, said surfaces being spaced apart from one another at a distance small enough to establish a laminar flow when fluid is allowed to flow therethrough; positioning planar cathodic and anodic electrodes with the working surfaces thereof in flush with said first and second surfaces, respectively; providing a slit-shaped recovery port opening onto the downstream region of said second surface and extending perpendicular to the direction of flow in said flow path, said recovery port being located upstream of said downstream end of said flow path at such a distance from said downstream end that laminar flow as established in said flow path is substantially sustained as fluid flowing in said flow path is advanced past said port in the direction of said flow path; causing an aqueous solution of sodium chloride to flow throughout said flow path while allowing laminar flow to be established in said flow path; applying an electric potential between said electrodes to electrolyze aqueous solution of sodium chloride thereby to produce a layer of chlorinated acidic water flowing along said second surface; and, causing said layer of chlorinated acidic water to flow out of said port in a direction perpendicular to the direction of said laminar flow and perpendicular to said second surface while substantially maintaining said laminar flow in the region of said flow path downstream of said port whereby said layer of chlorinated acidic water is separated from the remainder of said laminar flow and is recovered from said port.

이 특허를 인용한 특허 (24)

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Markoski, Larry J.; Moore, Jeffrey S.; Lyding, Joseph W., Electrochemical cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same.
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Markoski, Larry J.; Moore, Jeffrey S.; Lyding, Joseph W., Electrochemical cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same.
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Markoski, Larry J.; Moore, Jeffrey S.; Lyding, Joseph W., Electrochemical cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same.
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Yim, Shin Gyo; Lee, Jae Yong, Electrolysis bath for acidic water and method for using the acidic water.
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Grimm, Helmuth E., Electrolyzing cell for generating hydrogen and oxygen and method of use.
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Kenis, Paul J. A.; Wieckowski, Andrzej; Choban, Eric R., Membraneless electrochemical cell and microfluidic device without pH constraint.
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Hartvigsen, Jeremy L.; Hartvigsen, Aaron J.; Hartvigsen, Andrew J., Water electrolysis systems and methods.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Membraneless water electrolyzer 원문보기

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