KR100615515B1 - 광촉매의 고정화 방법 및 이 방법을 이용한 광촉매 흡착제 - Google Patents
광촉매의 고정화 방법 및 이 방법을 이용한 광촉매 흡착제 Download PDFInfo
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- KR100615515B1 KR100615515B1 KR1020050022125A KR20050022125A KR100615515B1 KR 100615515 B1 KR100615515 B1 KR 100615515B1 KR 1020050022125 A KR1020050022125 A KR 1020050022125A KR 20050022125 A KR20050022125 A KR 20050022125A KR 100615515 B1 KR100615515 B1 KR 100615515B1
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- Prior art keywords
- photocatalyst
- adsorbent
- titanium dioxide
- tio
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 64
- 239000003463 adsorbent Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007787 solid Substances 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 46
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims abstract description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006229 carbon black Substances 0.000 claims abstract description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 5
- 239000012153 distilled water Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 230000003100 immobilizing effect Effects 0.000 claims description 9
- 238000001782 photodegradation Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 4
- 239000011707 mineral Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 238000005119 centrifugation Methods 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 abstract 1
- 239000000356 contaminant Substances 0.000 description 9
- 239000004408 titanium dioxide Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 8
- 238000001179 sorption measurement Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009303 advanced oxidation process reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 238000007540 photo-reduction reaction Methods 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
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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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- 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
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
Description
샘플 | 담지 시간 | 담지 온도 | 담지량 (wt%) |
AC#1 | 1시간 | 20℃ | 4.04% |
AC#2 | 2시간 | 20℃ | 5.24% |
AC#3 | 4시간 | 20℃ | 8.87% |
AC#4 | 1시간 | 60℃ | 5.65% |
Claims (3)
- 0.5~2 몰(M)의 질산(HNO3) 용액에 티타늄 테트라이소프로포사이드(Titanium Tetraisopropoxide(Ti(OCH(CH3)2)4))를 2:1~5:1의 중량비로 첨가하여 1~3시간 동안 교반하여 졸(sol)상태의 이산화티탄(TiO2)광촉매 용액(suspension)을 제조하는 단계;상기 제조된 졸 상태의 이산화티탄(TiO2)광촉매 용액을 20℃~60℃로 유지시켜, 흡착제에 투입하여 1시간~4시간동안 담지하여 광촉매를 흡착제에 고정시키는 단계; 및상기 단계에서 광촉매가 고정된 흡착제를 2~3회 원심분리기를 이용한 원심분리 및 증류수를 이용한 세척을 수행하고, 광촉매가 고정된 흡착제를 전기로를 이용해 300℃-450℃에서 30분~2시간 동안 소성하는 단계를 포함하는 광촉매의 고정화 방법.
- 제 1 항에 있어서, 상기 흡착제는 활성탄 또는 카본 블랙임을 특징으로 하는 광촉매의 고정화 방법.
- 제 1항의 방법을 이용하여 이산화티탄(TiO2) 광촉매가 4중량 %~9 중량%가 담지되어 광분해 특성을 지닌 광촉매 흡착제.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050022125A KR100615515B1 (ko) | 2005-03-17 | 2005-03-17 | 광촉매의 고정화 방법 및 이 방법을 이용한 광촉매 흡착제 |
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KR1020050022125A KR100615515B1 (ko) | 2005-03-17 | 2005-03-17 | 광촉매의 고정화 방법 및 이 방법을 이용한 광촉매 흡착제 |
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Publication Number | Publication Date |
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KR100615515B1 true KR100615515B1 (ko) | 2006-08-25 |
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KR1020050022125A KR100615515B1 (ko) | 2005-03-17 | 2005-03-17 | 광촉매의 고정화 방법 및 이 방법을 이용한 광촉매 흡착제 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101109423B1 (ko) * | 2011-06-03 | 2012-01-31 | 주식회사 그린솔루션 | 나노 이산화티타늄과 바텀애쉬를 이용한 하이브리드 광분해 흡착제 및 그의 제조방법 |
KR102672138B1 (ko) | 2021-08-30 | 2024-06-03 | 한국산업기술시험원 | 광촉매가 첨가된 폴리도파민 코팅액의 제조방법, 상기 코팅액을 이용한 지지체의 표면 처리방법, 및 이에 의해 제조된 나노복합재 점착필터 및 흡착제 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08332378A (ja) * | 1995-06-07 | 1996-12-17 | Nippon Chem Ind Co Ltd | 脱臭性光触媒活性炭およびその製造方法 |
KR20000008326A (ko) * | 1998-07-13 | 2000-02-07 | 김명신 | 공기 청정제로 사용되는 이산화티타늄을 활성탄에 고정시키는방법 |
JP2001096169A (ja) | 1999-09-29 | 2001-04-10 | Toyoda Gosei Co Ltd | 光触媒 |
KR20030028325A (ko) * | 2001-09-29 | 2003-04-08 | 엔바이로테크(주) | 나노입자상의 광촉매가 담지된 활성탄의 제조방법 |
-
2005
- 2005-03-17 KR KR1020050022125A patent/KR100615515B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08332378A (ja) * | 1995-06-07 | 1996-12-17 | Nippon Chem Ind Co Ltd | 脱臭性光触媒活性炭およびその製造方法 |
KR20000008326A (ko) * | 1998-07-13 | 2000-02-07 | 김명신 | 공기 청정제로 사용되는 이산화티타늄을 활성탄에 고정시키는방법 |
JP2001096169A (ja) | 1999-09-29 | 2001-04-10 | Toyoda Gosei Co Ltd | 光触媒 |
KR20030028325A (ko) * | 2001-09-29 | 2003-04-08 | 엔바이로테크(주) | 나노입자상의 광촉매가 담지된 활성탄의 제조방법 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101109423B1 (ko) * | 2011-06-03 | 2012-01-31 | 주식회사 그린솔루션 | 나노 이산화티타늄과 바텀애쉬를 이용한 하이브리드 광분해 흡착제 및 그의 제조방법 |
KR102672138B1 (ko) | 2021-08-30 | 2024-06-03 | 한국산업기술시험원 | 광촉매가 첨가된 폴리도파민 코팅액의 제조방법, 상기 코팅액을 이용한 지지체의 표면 처리방법, 및 이에 의해 제조된 나노복합재 점착필터 및 흡착제 |
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