KR100926126B1 - 일체형 나노튜브 광촉매의 제조방법, 이를 이용한 6가크롬환원 장치 및 환원 방법 - Google Patents
일체형 나노튜브 광촉매의 제조방법, 이를 이용한 6가크롬환원 장치 및 환원 방법 Download PDFInfo
- Publication number
- KR100926126B1 KR100926126B1 KR1020080045101A KR20080045101A KR100926126B1 KR 100926126 B1 KR100926126 B1 KR 100926126B1 KR 1020080045101 A KR1020080045101 A KR 1020080045101A KR 20080045101 A KR20080045101 A KR 20080045101A KR 100926126 B1 KR100926126 B1 KR 100926126B1
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- KR
- South Korea
- Prior art keywords
- hexavalent chromium
- titanium
- nanotube
- reactor
- titanium oxide
- Prior art date
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- 239000002071 nanotube Substances 0.000 title claims abstract description 86
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 36
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000010936 titanium Substances 0.000 claims abstract description 47
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 43
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 26
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 111
- 239000000243 solution Substances 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 8
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010923 batch production Methods 0.000 claims description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 claims 2
- 238000007743 anodising Methods 0.000 abstract description 10
- 238000006722 reduction reaction Methods 0.000 description 73
- 239000007864 aqueous solution Substances 0.000 description 30
- 238000010438 heat treatment Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 15
- 238000011282 treatment Methods 0.000 description 15
- 238000002048 anodisation reaction Methods 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000001678 irradiating effect Effects 0.000 description 6
- 238000004626 scanning electron microscopy Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 239000013529 heat transfer fluid Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000003599 detergent Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001782 photodegradation Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000003403 water pollutant Substances 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
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/348—Electrochemical processes, e.g. electrochemical deposition or anodisation
-
- 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
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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KR1020080045101A KR100926126B1 (ko) | 2008-05-15 | 2008-05-15 | 일체형 나노튜브 광촉매의 제조방법, 이를 이용한 6가크롬환원 장치 및 환원 방법 |
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KR1020080045101A KR100926126B1 (ko) | 2008-05-15 | 2008-05-15 | 일체형 나노튜브 광촉매의 제조방법, 이를 이용한 6가크롬환원 장치 및 환원 방법 |
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KR100926126B1 true KR100926126B1 (ko) | 2009-11-11 |
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KR1020080045101A KR100926126B1 (ko) | 2008-05-15 | 2008-05-15 | 일체형 나노튜브 광촉매의 제조방법, 이를 이용한 6가크롬환원 장치 및 환원 방법 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101127874B1 (ko) * | 2010-04-02 | 2012-03-21 | 한국에너지기술연구원 | 해수 전해액을 이용한 광감응 소재의 제조방법 및 그 광감응 소재와 이를 활용한 광전기화학적 수소제조장치 및 6가 크롬 환원장치 |
KR101401655B1 (ko) | 2013-03-04 | 2014-06-02 | 국립대학법인 울산과학기술대학교 산학협력단 | 음극 처리된 가시광 감응형 티타늄 산화물 나노 구조체, 그 제조 방법, 및 그를 포함하는 가시광 감응형 광촉매 |
RU2732130C1 (ru) * | 2019-06-18 | 2020-09-11 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Способ получения фотокатализатора на основе нанотубулярного диоксида титана |
KR20210144458A (ko) * | 2020-05-22 | 2021-11-30 | 경북대학교 산학협력단 | 이산화티탄 나노튜브 전극 기반의 현장용 폭발물 감지센서 및 전극의 제조방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11100695A (ja) | 1997-09-26 | 1999-04-13 | Nippon Alum Co Ltd | 光触媒活性を有するチタン材の製造方法 |
JP2005263580A (ja) | 2004-03-19 | 2005-09-29 | Nippon Oil Corp | ナノチューブ形状を有するチタニア及びその製造方法 |
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2008
- 2008-05-15 KR KR1020080045101A patent/KR100926126B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11100695A (ja) | 1997-09-26 | 1999-04-13 | Nippon Alum Co Ltd | 光触媒活性を有するチタン材の製造方法 |
JP2005263580A (ja) | 2004-03-19 | 2005-09-29 | Nippon Oil Corp | ナノチューブ形状を有するチタニア及びその製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101127874B1 (ko) * | 2010-04-02 | 2012-03-21 | 한국에너지기술연구원 | 해수 전해액을 이용한 광감응 소재의 제조방법 및 그 광감응 소재와 이를 활용한 광전기화학적 수소제조장치 및 6가 크롬 환원장치 |
KR101401655B1 (ko) | 2013-03-04 | 2014-06-02 | 국립대학법인 울산과학기술대학교 산학협력단 | 음극 처리된 가시광 감응형 티타늄 산화물 나노 구조체, 그 제조 방법, 및 그를 포함하는 가시광 감응형 광촉매 |
RU2732130C1 (ru) * | 2019-06-18 | 2020-09-11 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Способ получения фотокатализатора на основе нанотубулярного диоксида титана |
KR20210144458A (ko) * | 2020-05-22 | 2021-11-30 | 경북대학교 산학협력단 | 이산화티탄 나노튜브 전극 기반의 현장용 폭발물 감지센서 및 전극의 제조방법 |
KR102374320B1 (ko) | 2020-05-22 | 2022-03-14 | 경북대학교 산학협력단 | 이산화티탄 나노튜브 전극 기반의 현장용 폭발물 감지센서 및 전극의 제조방법 |
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