KR20190092939A - 플라즈마-광촉매 암모니아 제거 장치, 이에 사용되는 광촉매가 코팅된 충전물 및 이의 제조방법 - Google Patents
플라즈마-광촉매 암모니아 제거 장치, 이에 사용되는 광촉매가 코팅된 충전물 및 이의 제조방법 Download PDFInfo
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- KR20190092939A KR20190092939A KR1020180012263A KR20180012263A KR20190092939A KR 20190092939 A KR20190092939 A KR 20190092939A KR 1020180012263 A KR1020180012263 A KR 1020180012263A KR 20180012263 A KR20180012263 A KR 20180012263A KR 20190092939 A KR20190092939 A KR 20190092939A
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- ammonia
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 46
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 title description 3
- 238000012856 packing Methods 0.000 title 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000000919 ceramic Substances 0.000 claims abstract description 41
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 36
- 239000000945 filler Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 239000002243 precursor Substances 0.000 claims abstract description 6
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000011049 filling Methods 0.000 claims abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 21
- 230000001699 photocatalysis Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- -1 Perovskite Substances 0.000 abstract description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000011858 nanopowder Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000013032 photocatalytic reaction Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000003980 solgel method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 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
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 229960002415 trichloroethylene Drugs 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
- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
-
- 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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8634—Ammonia
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
-
- 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
-
- B01J35/004—
-
- 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
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/40—Mixed oxides
- B01D2255/402—Perovskites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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Abstract
실린더형 금속제 하우징을 하나의 전극으로, 실린더 중앙에 위치하는 금속제 와이어 또는 금속제 로드를 또 하나의 전극으로 사용하는 플라즈마 반응기에 이산화티탄이 코팅된 페로브스카이트 세라믹을 충전한 암모니아 제거용 플라즈마-광촉매 반응기.
여기에서, 이산화티탄이 코팅된 페로브스카이트 세라믹 충전물은,
a) 이산화티탄을 코팅하고자 하는 페로브스카이트 세라믹을 플라즈마 반응기에 채우는 단계,
b) 이산화티탄의 전구체로 티타늄 에톡사이드(titanium ethoxide)와, 산소 또는 공기를 플라즈마 반응기에 유입시키면서 플라즈마를 발생시켜 페로브스카이트 세라믹에 이산화티탄을 코팅하는 단계 및
c) 이산화티탄이 코팅된 페로브스카이트 세라믹을 300~500℃에서 1~5시간 열처리하는 단계를 포함한다.
[색인어]
암모니아, 플라즈마, 광촉매, 페로브스카이트, 이산화티탄, 전구체, 티타늄 에톡사이드
Description
도 2는 TiO2 광촉매가 코팅된 경우와 코팅되지 않은 경우에 있어서 처리 가스의 유량에 대한 암모니아 제거율이다.
도 3은 페로브스카이트 세라믹 볼의 크기를 달리한 경우에 있어서 처리 가스의 유량 별 암모니아 제거율이다.
도 4는 직경 8cm의 구리 반응기에서의 유량별 암모니아 제거율이다.
도 5는 직경 9cm의 알루미늄 반응기에서의 유량별 암모니아 제거율이다.
원소 |
Ba |
Ti |
O |
N |
원자분율(%) |
22 |
22 |
50 |
6 |
11: 구리 하우징(튜브) 12: 구리 전극
13: 알루미나 튜브 14: 파워서플라이
15: TiO2가 코팅된 페로브스카이트 세라믹 볼
20: 암모니아 농도 측정기 31: 공기
32: 유량계 40: 버블러
Claims (5)
- 처리 가스의 유입구와 유출구가 구비된 실린더형 금속제 하우징과 두 개의 전극과 파워 서플라이로 구성되는 플라즈마 반응기의 내부에 이산화티탄이 코팅된 페로브스카이트 세라믹 충전물이 충전된 암모니아 제거용 플라즈마-광촉매 반응기.
- 제1항에 있어서, 두 개의 전극이 하나는 실린더형 금속제 하우징이고, 다른 하나는 실린더 중앙에 위치하는 금속제 와이어, 금속제 로드, 또는 세라믹 튜브 안에 위치한 금속제 와이어 또는 로드인 것을 특징으로 하는 암모니아 제거용 플라즈마-광촉매 반응기.
- 제1항 또는 제2항의 암모니아 제거용 플라즈마-광촉매 반응기에 사용되는 이산화티탄이 코팅된 페로브스카이트 세라믹 충전물.
- a) 이산화티탄을 코팅하고자 하는 페로브스카이트 세라믹을 플라즈마 반응기에 채우는 단계,
b) 이산화티탄의 전구체로 티타늄 에톡사이드(titanium ethoxide)와, 산소 또는 공기를 플라즈마 반응기에 유입시키면서 플라즈마를 발생시켜 페로브스카이트 세라믹에 이산화티탄을 코팅하는 단계 및
c) 이산화티탄이 코팅된 페로브스카이트 세라믹을 300~500℃에서 1~5시간 열처리하는 단계를 포함하는 제3항의 이산화티탄이 코팅된 페로브스카이트 세라믹 충전물의 제조방법. - 제4항에 있어서, b) 단계에서 반응기를 회전시키면서 플라즈마를 발생시켜 페로브스카이트 세라믹에 이산화티탄을 코팅하는 것을 특징으로 하는 이산화티탄이 코팅된 페로브스카이트 세라믹 충전물의 제조방법.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021190734A1 (en) | 2020-03-24 | 2021-09-30 | Efenco Oü | Nanosized ceramic plasma catalyst for stabiliting and assisting plasma combustion |
KR102712412B1 (ko) * | 2024-02-05 | 2024-10-02 | (주)원익머트리얼즈 | 암모니아 기반 수소 생산시스템 |
Citations (6)
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