KR100924515B1 - 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 - Google Patents
가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 Download PDFInfo
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- KR100924515B1 KR100924515B1 KR1020080018415A KR20080018415A KR100924515B1 KR 100924515 B1 KR100924515 B1 KR 100924515B1 KR 1020080018415 A KR1020080018415 A KR 1020080018415A KR 20080018415 A KR20080018415 A KR 20080018415A KR 100924515 B1 KR100924515 B1 KR 100924515B1
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- titanium oxide
- anatase titanium
- visible light
- photocatalyst
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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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- 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
- B01J37/009—Preparation by separation, e.g. by filtration, decantation, screening
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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
- B01J37/04—Mixing
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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
- B01J37/22—Halogenating
- B01J37/26—Fluorinating
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
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Abstract
Description
Claims (11)
- (1) 아나타제 산화티탄에 이당류 물질을 혼합하는 단계;(2) 상기 '단계 (1)'의 과정을 통하여 얻어진 혼합물에 탈수제를 첨가하는 단계;(3) 상기 '단계 (2)'의 과정을 통하여 얻어진 혼합물을 가열하여 탈수반응을 시키는 단계;(4) 상기 '단계 (3)'의 과정을 통하여 얻어진 물질에 포함되어 있는 불순물을 제거하기 위하여 물로 여과하는 단계;(5) 상기 '단계 (4)'의 과정을 통하여 얻어진 물질을 건조하는 단계; 및(6) 상기 '단계 (5)'의 과정을 통하여 얻어진 물질을 불소 처리하는 단계를 포함하여 이루어지는 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (1)'의 아나타제 산화티탄에 이당류 물질을 혼합하는 과정에서의 혼합비는 아나타제 산화티탄 100중량부를 기준으로 이당류 1 내지 100 중량부인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항 내지 제2항의 어느 한 항에 있어서,상기 이당류 물질은 수크로오스, 락토오스 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것임을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (2)'의 상기 '단계 (1)'의 과정을 통하여 얻어진 혼합물에 탈수제를 첨가하는 과정에서의 혼합비는 상기 혼합물 100 중량부를 기준으로 탈수제 10 내지 50 중량부인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항 또는 제4항의 어느 한 항에 있어서,상기 탈수제는 황산, 아세트산무수물, 프탈산무수물, 말레산무수물 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것임을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (3)'의 상기 '단계 (2)'의 과정을 통하여 얻어진 혼합물을 가열하여 탈수반응을 시키는 과정은 70 내지 200℃의 온도에서 1 내지 4 시간 동안 이루어지는 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (5)'의 상기 '단계 (4)'의 과정을 통하여 얻어진 물질을 건조하는 과정은 100 내지 200℃의 온도에서 1 내지 4 시간 동안 이루어지는 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항에 있어서,상기 '단계 (6)'의 상기 '단계 (5)'의 과정을 통하여 얻어진 물질을 불소 처리하는 과정은 상온에서 불소와 비활성 가스의 혼합가스를 사용하여 이루어지며,상기 불소와 비활성 가스의 혼합비율은 10 내지 20 : 90 내지 80 vol%인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제8항에 있어서,상기 불소와 비활성 가스의 혼합가스의 압력은 0.1 내지 5 기압인 것을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제8항에 있어서,상기 비활성 가스는 질소, 아르곤, 헬륨 및 이들의 혼합물로 이루어진 군으로부터 선택되는 것임을 특징으로 하는 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법.
- 제1항의 방법에 의하여 제조되는 가시광선 응답형 아나타제 산화티탄 광촉매.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080018415A KR100924515B1 (ko) | 2008-02-28 | 2008-02-28 | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080018415A KR100924515B1 (ko) | 2008-02-28 | 2008-02-28 | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 |
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| Publication Number | Publication Date |
|---|---|
| KR20090093084A KR20090093084A (ko) | 2009-09-02 |
| KR100924515B1 true KR100924515B1 (ko) | 2009-11-02 |
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| KR1020080018415A Expired - Fee Related KR100924515B1 (ko) | 2008-02-28 | 2008-02-28 | 가시광선 응답형 아나타제 산화티탄 광촉매의 제조방법 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101206489B1 (ko) | 2010-11-02 | 2012-11-30 | 충남대학교산학협력단 | 가시광 응답형 아나타제-브루카이트 혼성형 이산화티탄 광촉매의 제조방법 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101341134B1 (ko) * | 2012-02-29 | 2013-12-13 | 충남대학교산학협력단 | 가시광 응답형 이산화티탄 광촉매 및 이의 제조방법 |
| KR101437557B1 (ko) * | 2012-07-19 | 2014-09-15 | 한국과학기술원 | 흑연 구조의 탄소막을 코팅한 반도체 광촉매 및 제조방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000126616A (ja) | 1998-10-23 | 2000-05-09 | Sumitomo Metal Mining Co Ltd | 触媒担持用球形担体の製造方法 |
| WO2003072661A1 (en) * | 2002-02-27 | 2003-09-04 | Sustainable Titania Technology Incorporated | Solution for forming ultra-hydrophilic photocatalyst film, construct provided with the film and process for producing the same |
| KR20040066180A (ko) * | 2001-12-21 | 2004-07-23 | 쇼와 덴코 가부시키가이샤 | 고활성 광촉매 입자, 그의 제조 방법 및 그의 용도 |
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- 2008-02-28 KR KR1020080018415A patent/KR100924515B1/ko not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000126616A (ja) | 1998-10-23 | 2000-05-09 | Sumitomo Metal Mining Co Ltd | 触媒担持用球形担体の製造方法 |
| KR20040066180A (ko) * | 2001-12-21 | 2004-07-23 | 쇼와 덴코 가부시키가이샤 | 고활성 광촉매 입자, 그의 제조 방법 및 그의 용도 |
| WO2003072661A1 (en) * | 2002-02-27 | 2003-09-04 | Sustainable Titania Technology Incorporated | Solution for forming ultra-hydrophilic photocatalyst film, construct provided with the film and process for producing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101206489B1 (ko) | 2010-11-02 | 2012-11-30 | 충남대학교산학협력단 | 가시광 응답형 아나타제-브루카이트 혼성형 이산화티탄 광촉매의 제조방법 |
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| KR20090093084A (ko) | 2009-09-02 |
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