KR20090121447A - 메쉬형 티타니움에 광활성 나노튜브 광촉매가고정화되어 이를 회전체로 이용한 6가 크롬 환원장치 - Google Patents
메쉬형 티타니움에 광활성 나노튜브 광촉매가고정화되어 이를 회전체로 이용한 6가 크롬 환원장치 Download PDFInfo
- Publication number
- KR20090121447A KR20090121447A KR1020080047357A KR20080047357A KR20090121447A KR 20090121447 A KR20090121447 A KR 20090121447A KR 1020080047357 A KR1020080047357 A KR 1020080047357A KR 20080047357 A KR20080047357 A KR 20080047357A KR 20090121447 A KR20090121447 A KR 20090121447A
- Authority
- KR
- South Korea
- Prior art keywords
- photocatalyst
- reactor
- hexavalent chromium
- mesh
- titanium
- Prior art date
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- 230000009467 reduction Effects 0.000 title claims abstract description 32
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000010936 titanium Substances 0.000 title claims abstract description 22
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 21
- 239000011941 photocatalyst Substances 0.000 claims abstract description 72
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 51
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000002071 nanotube Substances 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000007864 aqueous solution Substances 0.000 claims abstract description 15
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 6
- 239000010453 quartz Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000007743 anodising Methods 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 description 27
- 238000010438 heat treatment Methods 0.000 description 17
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000002048 anodisation reaction Methods 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000013032 photocatalytic reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by metals
-
- 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
-
- B01J35/39—
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/30—Obtaining chromium, molybdenum or tungsten
- C22B34/32—Obtaining chromium
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (3)
- 금속 티타늄 지지체 표면을 양극 산화하여 일체형 티타니아 나노튜브가 형성된 메쉬형 광촉매(7)와;6가 크롬 및 수소이온농도가 조절된 수용액(8)을 저장하고, 광원(1)의 빛을 투과시킬 수 있는 석영재질로 이루어진 반응기(5)와;상기 반응기(5)의 반응 온도를 조절할 수 있는 냉각수 순환부(3)(4)와;상기 메쉬형 광촉매를 회전시킴으로써 상기 반응기(5)내에 저장된 상기 6가 크롬 및 수소이온농도가 조절된 수용액(8)과 상기 메쉬형 광촉매(7)의 반응을 촉진시키기 위한 교반기축(6)을 포함하여 구성되는 것을 특징으로 하는 6가 크롬 환원처리장치.
- 제 1항에 있어서, 상기 메쉬형 광촉매의 갯수는 2~4개인 것을 특징으로 하는 6가 크롬 환원처리장치.
- 제 1항에 있어서, 상기 교반기축(6)의 회전속도는 20~70 rpm인 것을 특징으로 하는 6가 크롬 환원처리장치.
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KR1020080047357A KR100968481B1 (ko) | 2008-05-22 | 2008-05-22 | 메쉬형 티타니움에 광활성 나노튜브 광촉매가고정화되어 이를 회전체로 이용한 6가 크롬 환원장치 |
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KR1020080047357A KR100968481B1 (ko) | 2008-05-22 | 2008-05-22 | 메쉬형 티타니움에 광활성 나노튜브 광촉매가고정화되어 이를 회전체로 이용한 6가 크롬 환원장치 |
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KR20090121447A true KR20090121447A (ko) | 2009-11-26 |
KR100968481B1 KR100968481B1 (ko) | 2010-07-07 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101430926B1 (ko) * | 2012-10-11 | 2014-08-19 | 한국에너지기술연구원 | 티타늄 지지체에 고정화된 나노튜브형 광촉매가 자체 회전하는 수처리장치 |
KR20150050615A (ko) * | 2013-10-29 | 2015-05-11 | 한국에너지기술연구원 | 태양광이 조사된 티타늄 지지체에 고정화된 나노튜브형 광촉매가 자체 회전하는 수처리장치를 이용한 육가크롬의 처리효율 향상 및 육가크롬과 환경호르몬 물질의 동시 제거 방법 |
KR20190084671A (ko) * | 2018-01-09 | 2019-07-17 | 삼성전자주식회사 | 공기 청정용 광촉매 필터의 제조 방법 |
CN112547611A (zh) * | 2020-11-28 | 2021-03-26 | 温州企案信息科技有限公司 | 具有可循环型光触媒补充结构的农产品保鲜装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101386152B1 (ko) * | 2011-11-07 | 2014-04-21 | 한국전기연구원 | 나노튜브가 구비된 이산화티탄 광촉매 및 그 제조방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0372998A (ja) * | 1989-08-11 | 1991-03-28 | Tetsuo Nishida | 液体処理装置 |
JPH04354531A (ja) * | 1991-05-29 | 1992-12-08 | Nippon Shokubai Co Ltd | 気液接触化学反応装置 |
KR200207935Y1 (ko) * | 1996-12-24 | 2001-01-15 | 이구택 | 산화철을 이용한 크롬 환원처리장치 |
JP4339661B2 (ja) | 2003-10-23 | 2009-10-07 | Nde株式会社 | 光触媒部材、この光触媒部材を用いた光触媒処理装置及び光触媒処理方法並びに同方法で処理された水 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101430926B1 (ko) * | 2012-10-11 | 2014-08-19 | 한국에너지기술연구원 | 티타늄 지지체에 고정화된 나노튜브형 광촉매가 자체 회전하는 수처리장치 |
KR20150050615A (ko) * | 2013-10-29 | 2015-05-11 | 한국에너지기술연구원 | 태양광이 조사된 티타늄 지지체에 고정화된 나노튜브형 광촉매가 자체 회전하는 수처리장치를 이용한 육가크롬의 처리효율 향상 및 육가크롬과 환경호르몬 물질의 동시 제거 방법 |
KR20190084671A (ko) * | 2018-01-09 | 2019-07-17 | 삼성전자주식회사 | 공기 청정용 광촉매 필터의 제조 방법 |
WO2019139209A1 (ko) * | 2018-01-09 | 2019-07-18 | 삼성전자주식회사 | 공기 청정용 광촉매 필터의 제조 방법 |
US11576995B2 (en) | 2018-01-09 | 2023-02-14 | Samsung Electronics Co., Ltd | Method for manufacturing photocatalytic filter for air purification |
CN112547611A (zh) * | 2020-11-28 | 2021-03-26 | 温州企案信息科技有限公司 | 具有可循环型光触媒补充结构的农产品保鲜装置 |
CN112547611B (zh) * | 2020-11-28 | 2022-01-11 | 广东省佳洁农业集团有限公司 | 具有可循环型光触媒补充结构的农产品保鲜装置 |
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