KR101615124B1 - 수계 이온성 물질 처리 기술 - Google Patents
수계 이온성 물질 처리 기술 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
- B01D61/50—Stacks of the plate-and-frame type
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Urology & Nephrology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
도 2는 사각형 및 나선형 패턴을 가진 복합스페이서의 단면도이다.
도 3은 나선형 패턴을 갖는 복합스페이서(a 및 b) 및 사각형 패턴을 갖는 복합스페이서(c)의 단면도로서, 상기 복합스페이서의 상세 사이즈를 나타낸 도면이다.(단위 cm)
도 4은 실시예 1, 실시예 2 및 비교예 1에 따른 축전식 탈염 전극 셀의 시간에 따른 유출수의 전도도 변화를 장기적으로 나타낸 그래프이다.
도 5는 5 사이클 이상에서의 한 사이클의 유출수 전도도의 변화에 대한 그래프를 도시한 그래프이다.
도 6는 5 사이클 이상에서의 이온 제거 효율을 도시한 그래프이다.
도 7은 H+와 OH-에 의한 pH 변화를 측정하기 위한 것으로, 유출수의 pH를 측정하여 도시한 그래프이다.
도 8은 시간에 따른 축적전하의 변화량을 도시한 그래프이다.
102 : 전극
103 : 이온교환막
104 : 복합스페이서
105 : 시료 투입 경로
106 : 시료 출구 경로
Claims (13)
- 제1전극 상부에 적층된 제1이온교환막, 상기 제1이온교환막 상부에 적층된 복합스페이서, 상기 복합스페이서 상부에 적층된 제2이온교환막 및 상기 제2이온교환막 상부에 적층된 제2전극을 포함하고,
상기 복합스페이서는, 유로 패턴이 음각으로 형성된 스페이서 및 음각으로 형성된 상기 유로 패턴 영역에 0.3<HI/HP<1를 만족하도록 채워진 이온교환수지를 포함하는 것인 축전식 탈염 전극 셀.
(상기에서, HI는 유로 패턴이 형성된 영역에 채워진 이온교환수지의 높이이며, HP는 상기 영역의 깊이이다.) - 삭제
- 제 1항에 있어서,
상기 유로 패턴은 사각형 또는 나선형인 것인 축전식 탈염 전극 셀. - 제 1항에 있어서,
상기 복합스페이서 상부에 격자구조의 분리막이 더 적층된 것인 축전식 탈염 전극 셀. - 제 1항에 있어서,
상기 제1이온교환막 및 상기 제2이온교환막은 독립적으로 이온 선택성 고분자를 포함하는 것인 축전식 탈염 전극 셀. - 제 1항에 있어서,
상기 전극은 집전체 상에 고분자 용액과 전극 활물질을 포함하는 슬러리가 도포된 것인 축전식 탈염 전극 셀. - 제 6항에 있어서,
상기 슬러리는 전도성 물질을 더 포함하는 것인 축전식 탈염 전극 셀. - 제 7항에 있어서,
상기 전도성물질은 전도성 카본블랙, 아세틸렌블랙, 케첸블랙, XCF 카본, 및 SFR 카본 중에서 선택된 하나 또는 둘 이상인 것인 축전식 탈염 전극 셀. - 제 6항에 있어서,
상기 고분자 용액은 이온 교환기를 가지는 고분자 수지 및 비이온성 고분자 수지, 중에서 선택된 하나 또는 둘을 포함하는 것인 축전식 탈염 전극 셀. - 제 9항에 있어서,
상기 이온 교환기를 가지는 고분자 수지는 폴리스티렌, 폴리설폰, 폴리에테르설폰, 폴리아미드, 폴리에스테르, 폴리이미드, 폴리에테르, 폴리에틸렌, 폴리테트라플루오로에틸렌, 및 폴리글리시딜메타크릴레이트 중에서 선택된 하나 또는 둘 이상인 것인 축전식 탈염 전극 셀. - 제 9항에 있어서,
상기 비이온성 고분자 수지는 폴리비닐리덴디플루오라이드, 폴리스타이렌브타디엔러버, 폴리테트라플로라이드에틸렌, 및 폴리우레탄 중에서 선택된 하나 또는 둘 이상인 것인 축전식 탈염 전극 셀. - 제 6항에 있어서,
상기 전극 활물질은 활성탄소 분말, 활성탄소 섬유, 카본 나노 튜브, 및 탄소 에어로겔 중에서 선택된 하나 또는 둘 이상인 것인 축전식 탈염 전극 셀. - 제 1 내지 제 12항 중에서 선택된 어느 한 항에 따른 상기 축전식 탈염 전극 셀의 제조 방법으로,
전극과 유로 패턴이 음각으로 형성된 복합스페이서를 제조하는 단계 및 상기 전극 및 상기 복합스페이서를 조립하는 단계를 포함하는 축전식 탈염 전극 셀의 제조 방법.
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