KR100523511B1 - 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형촉매 및 그의 제조방법 - Google Patents
질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형촉매 및 그의 제조방법 Download PDFInfo
- Publication number
- KR100523511B1 KR100523511B1 KR10-2003-0055690A KR20030055690A KR100523511B1 KR 100523511 B1 KR100523511 B1 KR 100523511B1 KR 20030055690 A KR20030055690 A KR 20030055690A KR 100523511 B1 KR100523511 B1 KR 100523511B1
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- fly ash
- vanadium pentoxide
- nitrogen oxide
- honeycomb
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 77
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 title claims abstract description 8
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims abstract description 36
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 8
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 7
- 239000010881 fly ash Substances 0.000 abstract description 24
- 239000000428 dust Substances 0.000 abstract description 15
- 239000007789 gas Substances 0.000 abstract description 14
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010531 catalytic reduction reaction Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 11
- 239000003245 coal Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000010883 coal ash Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- AQLMHYSWFMLWBS-UHFFFAOYSA-N arsenite(1-) Chemical group O[As](O)[O-] AQLMHYSWFMLWBS-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- FGHSTPNOXKDLKU-UHFFFAOYSA-N nitric acid;hydrate Chemical compound O.O[N+]([O-])=O FGHSTPNOXKDLKU-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- B01J35/56—
Abstract
Description
실시예 | 촉매 | 이산화티타늄 | 오산화이바나듐 | 비산석탄회 | 카오린 | 전분 | 메틸셀룰로스 | 실리카졸 | 질산 | 물 |
1 | FA07 | 50.6 | 1.0 | 0.7 | 6.9 | 2.2 | 2.2 | 6.0 | 0.5 | 29.9 |
2 | FA22 | 50.6 | 1.0 | 2.2 | 5.4 | 2.2 | 2.2 | 6.0 | 0.5 | 29.9 |
3 | FA36 | 50.6 | 1.0 | 3.6 | 4.0 | 2.2 | 2.2 | 6.0 | 0.5 | 29.9 |
4 | FA51 | 50.6 | 1.0 | 5.1 | 2.5 | 2.2 | 2.2 | 6.0 | 0.5 | 29.9 |
5 | FA66 | 50.6 | 1.0 | 6.6 | 1.0 | 2.2 | 2.2 | 6.0 | 0.5 | 29.9 |
6 | 상용 A | - |
SiO2 | Al2O3 | Fe2O3 | CaO | MgO | TiO2 | P2O5 | Na2O | K2O | 미연탄소 |
58.70 | 29.60 | 1.30 | 0.50 | 3.90 | 1.20 | 0.50 | 0.84 | 0.52 | 2.90 |
시험예 | 촉매 | 질소산화물 제거율(%) | |||||
200oC | 250oC | 300oC | 350oC | 400oC | 450oC | ||
1 | FA07 | 63.0 | 82.2 | 91.9 | 93.8 | 95.0 | 95.1 |
2 | FA22 | 63.1 | 82.1 | 91.2 | 92.9 | 94.3 | 94.1 |
3 | FA36 | 62.2 | 81.3 | 90.2 | 93.1 | 94.1 | 94.0 |
4 | FA51 | 61.1 | 81.0 | 89.7 | 91.9 | 93.5 | 94.0 |
5 | FA66 | 58.0 | 78.1 | 87.3 | 89.2 | 91.0 | 90.1 |
6 | 상용 A | 60.1 | 79.2 | 89.0 | 91.0 | 92.6 | 92.5 |
시험예 | 촉매 | 축강도 (kg/cm2) | 측면강도(kg/cm2) |
7 | FA07 | 15 | 6 |
8 | FA22 | 23 | 8 |
9 | FA36 | 27 | 9 |
10 | FA51 | 30 | 11 |
11 | FA66 | 32 | 12 |
12 | 상용 A | 20 | 8 |
시험예 | 촉매 | 마모율(%) |
13 | FA07 | 13.6 |
14 | FA22 | 10.5 |
15 | FA36 | 8.5 |
16 | FA51 | 7.2 |
17 | FA66 | 6.9 |
18 | 상용 A | 12.5 |
Claims (3)
- 암모니아를 환원제로 이용하여 질소산화물을 제거하기 위한 촉매로서 이산화티타늄을 담지체로하고 오산화이바나듐을 담지하여 압출성형하여 하니컴형 촉매를 제조하는 방법에 있어서, 석탄화력발전소의 연소과정에서 발생하는 비산석탄회를 촉매 첨가제로 함유시키되 촉매 원료의 총합산 중량을 기준으로 0.7 내지 6.6중량% 함유시켜서 제조함을 특징으로 하는 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형 촉매의 제조방법.
- 제 1항에 있어서, 상기 촉매 첨가제는 촉매 원료의 총합산 중량을 기준으로 2.2 내지 5.1중량% 함유시켜서 됨을 특징으로 하는 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형 촉매의 제조방법.
- 제 1항 또는 제 2항에 따른 방법에 의해서 제조된 것을 특징으로 하는 질소산화물 제거용 압출성형 오산화바이나듐계 하니컴형 촉매.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0055690A KR100523511B1 (ko) | 2003-08-12 | 2003-08-12 | 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형촉매 및 그의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0055690A KR100523511B1 (ko) | 2003-08-12 | 2003-08-12 | 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형촉매 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050017999A KR20050017999A (ko) | 2005-02-23 |
KR100523511B1 true KR100523511B1 (ko) | 2005-10-24 |
Family
ID=37227602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0055690A KR100523511B1 (ko) | 2003-08-12 | 2003-08-12 | 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형촉매 및 그의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100523511B1 (ko) |
-
2003
- 2003-08-12 KR KR10-2003-0055690A patent/KR100523511B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20050017999A (ko) | 2005-02-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7393511B2 (en) | Ammonia oxidation catalyst for the coal fired utilities | |
KR930000642B1 (ko) | 폐가스로부터의 산화질소를 환원시키는 방법 | |
EP0234441B1 (en) | Catalyst for reduction of oxides of nitrogen | |
US4282115A (en) | Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases | |
KR20090092296A (ko) | 배기 가스 정화용 촉매 | |
KR101824233B1 (ko) | NOx의 선택적인 촉매환원을 위한 불활성화-저항성 촉매 | |
CN102671691A (zh) | 一种低温scr脱硝催化剂、其制备方法及其应用 | |
KR930002242B1 (ko) | 질소 산화물의 질소로의 선택적 환원을 위한 촉매 | |
KR20190135024A (ko) | 배기 가스 처리를 위한 촉매, 배기 시스템 및 방법 | |
US5215953A (en) | Catalyst for the oxidation of sulfur dioxide and method for the production of the catalyst | |
KR102625031B1 (ko) | 배기 가스 처리를 위한 촉매, 배기 시스템 및 방법 | |
KR20120125625A (ko) | 바이오매스 연소 배기 가스용 탈질 촉매 및 탈질 방법 | |
KR20120028049A (ko) | 배연탈질 촉매 및 그 재생방법 | |
CA2044067C (en) | A catalyst for the oxidation of sulfur dioxide | |
KR100523511B1 (ko) | 질소산화물 제거용 압출성형 오산화이바나듐계 하니컴형촉매 및 그의 제조방법 | |
KR100970337B1 (ko) | 배연 탈질용 선택적 환원 촉매 및 이의 제조방법 | |
KR101083307B1 (ko) | 오산화이바나듐계 촉매 | |
CN112169831A (zh) | 钬和铜的复合氧化物改性Ce-SAPO-34分子筛脱硝催化剂及其制备方法 | |
KR830002424B1 (ko) | 배기 가스의 처리방법 | |
JPS6336835A (ja) | 排ガス中のヒ素吸着剤 | |
JPS63147547A (ja) | 耐ヒ素毒性及び耐カルシウム性を有する脱硝触媒 | |
JPH09150061A (ja) | アンモニア分解触媒 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121017 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20131016 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20141015 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20151015 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20161018 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20171017 Year of fee payment: 13 |