JP4861018B2 - 一酸化窒素酸化用触媒及び一酸化窒素の酸化方法 - Google Patents
一酸化窒素酸化用触媒及び一酸化窒素の酸化方法 Download PDFInfo
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- JP4861018B2 JP4861018B2 JP2006021739A JP2006021739A JP4861018B2 JP 4861018 B2 JP4861018 B2 JP 4861018B2 JP 2006021739 A JP2006021739 A JP 2006021739A JP 2006021739 A JP2006021739 A JP 2006021739A JP 4861018 B2 JP4861018 B2 JP 4861018B2
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- nitric oxide
- oxide
- catalyst
- oxidation
- oxidizing
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 248
- 239000003054 catalyst Substances 0.000 title claims description 73
- 238000007254 oxidation reaction Methods 0.000 title claims description 67
- 230000003647 oxidation Effects 0.000 title claims description 66
- 238000000034 method Methods 0.000 title claims description 31
- 239000002131 composite material Substances 0.000 claims description 38
- 230000001590 oxidative effect Effects 0.000 claims description 27
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 23
- 230000003197 catalytic effect Effects 0.000 claims description 19
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 17
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 17
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 150000003112 potassium compounds Chemical class 0.000 claims description 6
- 239000011572 manganese Substances 0.000 description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 26
- 239000010949 copper Substances 0.000 description 24
- 239000007789 gas Substances 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 14
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 13
- 239000011591 potassium Substances 0.000 description 13
- 229910052700 potassium Inorganic materials 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 10
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- 229940099596 manganese sulfate Drugs 0.000 description 4
- 239000011702 manganese sulphate Substances 0.000 description 4
- 235000007079 manganese sulphate Nutrition 0.000 description 4
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 1
- 239000005750 Copper hydroxide Substances 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910018380 Mn(NO3)2.6H2 O Inorganic materials 0.000 description 1
- XZLRIVRQGXOBEO-UHFFFAOYSA-N O=[N].[O-][N+]=O Chemical compound O=[N].[O-][N+]=O XZLRIVRQGXOBEO-UHFFFAOYSA-N 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229910001956 copper hydroxide Inorganic materials 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- PMQJYWORJJEMQC-UHFFFAOYSA-N manganese;dihydrate Chemical compound O.O.[Mn] PMQJYWORJJEMQC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003304 ruthenium compounds Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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Description
2…一酸化窒素酸化用触媒充填塔
3…湿式吸収塔
4…吸収液用ポンプ
Claims (5)
- 接触により一酸化窒素を二酸化窒素に酸化させる一酸化窒素酸化用触媒において、触媒作用物質として、Mn酸化物、Mn−Cu複合酸化物及びMn−Fe複合酸化物よりなる群から選択される少なくとも一種と、カリウム化合物のみを含有することを特徴とする一酸化窒素酸化用触媒。
- 接触により一酸化窒素を二酸化窒素に酸化させる一酸化窒素酸化用触媒において、触媒作用物質として、Mn酸化物、Mn−Cu複合酸化物及びMn−Fe複合酸化物よりなる群から選択される少なくとも一種と、炭酸塩のみを含有することを特徴とする一酸化窒素酸化用触媒。
- 接触により一酸化窒素を二酸化窒素に酸化させる一酸化窒素酸化用触媒において、触媒作用物質として、Mn酸化物、Mn−Cu複合酸化物及びMn−Fe複合酸化物よりなる群から選択される少なくとも一種と、炭酸カリウムのみを含有することを特徴とする一酸化窒素酸化用触媒。
- 前記Mn−Cu複合酸化物における[Mn/(Mn+Cu)]の質量比が0.15以上、前記Mn−Fe複合酸化物における[Mn/(Mn+Fe)]の質量比が0.10以上であることを特徴とする請求項1〜3のいずれか1項に記載の一酸化窒素酸化用触媒。
- 一酸化窒素を触媒の存在下で二酸化窒素に酸化する方法において、80℃以上の温度で、前記触媒として請求項1〜4のいずれか1項に記載の一酸化窒素酸化用触媒を用いることを特徴とする一酸化窒素の酸化方法。
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| JP2006021739A JP4861018B2 (ja) | 2006-01-31 | 2006-01-31 | 一酸化窒素酸化用触媒及び一酸化窒素の酸化方法 |
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| JP2006021739A JP4861018B2 (ja) | 2006-01-31 | 2006-01-31 | 一酸化窒素酸化用触媒及び一酸化窒素の酸化方法 |
Publications (2)
| Publication Number | Publication Date |
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| JP2007203131A JP2007203131A (ja) | 2007-08-16 |
| JP4861018B2 true JP4861018B2 (ja) | 2012-01-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100974730B1 (ko) | 2008-11-27 | 2010-08-06 | 현대자동차주식회사 | 자동차 배기가스 정화 촉매 |
| US9308496B2 (en) * | 2010-04-23 | 2016-04-12 | General Electric Company | System and method for controlling and reducing NOx emissions |
| JP2014005964A (ja) * | 2012-06-22 | 2014-01-16 | Miura Co Ltd | ボイラのNOx処理システム |
| CN110743495B (zh) * | 2019-09-30 | 2021-02-23 | 北京航空航天大学 | 纳米锰氧化物改性生物质炭及制备方法和去除柠檬酸铜的方法 |
| CN111318157B (zh) * | 2020-03-13 | 2023-02-10 | 云南民族大学 | 一种改性电石渣脱硫脱硝剂的制备方法、产品及应用 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS516031B2 (ja) * | 1972-09-07 | 1976-02-24 | ||
| JPS5062859A (ja) * | 1973-10-09 | 1975-05-29 | ||
| JPH05154339A (ja) * | 1991-12-03 | 1993-06-22 | Kobe Steel Ltd | 窒素酸化物の除去方法 |
| JPH0788335A (ja) * | 1993-09-22 | 1995-04-04 | Nippon Steel Corp | 低温排ガス脱硝方法 |
| JPH07308573A (ja) * | 1994-05-17 | 1995-11-28 | Kobe Steel Ltd | 大気汚染物質処理剤 |
| JPH0986928A (ja) * | 1994-10-04 | 1997-03-31 | Nissan Motor Co Ltd | Aサイト欠損型ペロブスカイト複合酸化物及びそれを用いた触媒 |
| US6066590A (en) * | 1995-09-26 | 2000-05-23 | Sued-Chemie Nissan Catalysts Inc. | Harmful gas removing agent |
| JPH09141088A (ja) * | 1995-11-20 | 1997-06-03 | Sakai Chem Ind Co Ltd | 窒素酸化物吸着剤 |
| JP2000167406A (ja) * | 1998-01-30 | 2000-06-20 | Kobe Steel Ltd | 有機ハロゲン化合物除去剤および該除去剤を用いた排ガスの処理方法 |
| JP2001263051A (ja) * | 2000-03-17 | 2001-09-26 | Nissan Diesel Motor Co Ltd | ディーゼルエンジンの排気浄化装置 |
| JP2003062432A (ja) * | 2001-08-27 | 2003-03-04 | Tosoh Corp | 排ガス浄化方法 |
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