KR102362760B1 - 광촉매 및 이의 제조방법 - Google Patents
광촉매 및 이의 제조방법 Download PDFInfo
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- KR102362760B1 KR102362760B1 KR1020200036634A KR20200036634A KR102362760B1 KR 102362760 B1 KR102362760 B1 KR 102362760B1 KR 1020200036634 A KR1020200036634 A KR 1020200036634A KR 20200036634 A KR20200036634 A KR 20200036634A KR 102362760 B1 KR102362760 B1 KR 102362760B1
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- photocatalyst
- titanium dioxide
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- iron
- nitrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- B01J35/004—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
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Abstract
Description
도 2 는 본원의 일 실시예에 따른 광촉매의 질소산화물 제거 실험 결과이다.
도 3 은 본원의 일 실시예에 따른 광촉매의 조성에 따른 촉매 활성에 대한 그래프이다.
도 4 는 본원의 일 비교예에 따른 광촉매의 조성에 따른 촉매 활성에 대한 그래프이다.
도 5 는 본원의 실시예 및 비교예에 따른 광촉매의 자외/가시선 흡수 분광법 수행 결과이다.
도 6 은 본원의 일 실시예에 따른 광촉매의 X-선 광전자 분광법(x-ray photoelectron spectroscopy, XPS) 분석 결과이다.
도 7 은 본원의 일 실시예에 따른 광촉매의 X-선 광전자 분광법(x-ray photoelectron spectroscopy, XPS) 분석 결과이다.
도 8 은 본원의 일 실시예에 따른 광촉매의 X-선 광전자 분광법(x-ray photoelectron spectroscopy, XPS) 분석 결과이다.
도 9 는 본원의 일 비교예에 따른 광촉매의 X-선 광전자 분광법(x-ray photoelectron spectroscopy, XPS) 분석 결과이다.
도 10 은 본원의 일 비교예에 따른 광촉매의 X-선 광전자 분광법(x-ray photoelectron spectroscopy, XPS) 분석 결과이다.
Claims (17)
- 질산철{Fe(NO3)3} 수용액 상에 이산화티타늄(TiO2)을 함침하는 단계; 및
상기 질산철 수용액 상에 함침된 이산화티타늄을 열처리하는 단계;
를 포함하고,
상기 질산철 수용액 상에 상기 이산화티타늄을 함침함으로써 상기 이산화티타늄에 질소(N) 및 철(Fe)이 순차적으로 도핑되는 것이며,
상기 이산화티타늄은 100 nm 내지 300 nm 의 크기를 가지는 루타일 상 입자인 것인,
광촉매의 제조 방법.
- 삭제
- 제 1 항에 있어서,
상기 질산철 1 몰에 대하여 상기 이산화티타늄 2,700 몰 내지 3,500 몰이 반응하는 것인, 광촉매의 제조 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 철의 일부 또는 전부가 산화되어 산화철이 형성되는 것인, 광촉매의 제조 방법.
- 제 1 항에 있어서,
상기 열처리는 350℃ 내지 400℃ 의 온도 하에서 수행되는 것인, 광촉매의 제조 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항, 제 3 항, 제 6 항 및 제 7 항 중 어느 한 항에 따른 방법에 의해 제조된 광촉매를 포함하는,
공기 정화 장치.
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KR1020200036634A KR102362760B1 (ko) | 2020-03-26 | 2020-03-26 | 광촉매 및 이의 제조방법 |
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KR1020200036634A KR102362760B1 (ko) | 2020-03-26 | 2020-03-26 | 광촉매 및 이의 제조방법 |
Publications (2)
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KR20210120220A KR20210120220A (ko) | 2021-10-07 |
KR102362760B1 true KR102362760B1 (ko) | 2022-02-11 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20230037206A (ko) | 2021-09-09 | 2023-03-16 | 현대모비스 주식회사 | 에어백 |
KR102741564B1 (ko) | 2022-02-25 | 2024-12-13 | 고등기술연구원연구조합 | 티타늄 산화물을 포함하는 광촉매 복합체 및 이의 제조방법 |
KR20250011413A (ko) * | 2023-07-14 | 2025-01-21 | 제주대학교 산학협력단 | 가시광 감응 자성 광촉매 및 이의 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002113369A (ja) * | 2000-10-11 | 2002-04-16 | Seiko Epson Corp | 光触媒および光触媒の製造方法 |
CN108940334A (zh) * | 2018-06-13 | 2018-12-07 | 天津大学 | 一种凹凸棒负载Fe-N共掺杂介孔TiO2微球体光催化剂的制备方法 |
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- 2020-03-26 KR KR1020200036634A patent/KR102362760B1/ko active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002113369A (ja) * | 2000-10-11 | 2002-04-16 | Seiko Epson Corp | 光触媒および光触媒の製造方法 |
CN108940334A (zh) * | 2018-06-13 | 2018-12-07 | 天津大学 | 一种凹凸棒负载Fe-N共掺杂介孔TiO2微球体光催化剂的制备方法 |
Non-Patent Citations (1)
Title |
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Xiang-Zhong Shen 외, Applied Surface Science, 254, 2008, 4726~4731 (2008.01.26.) |
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