JP4381071B2 - 排ガス処理用触媒の製造方法 - Google Patents
排ガス処理用触媒の製造方法 Download PDFInfo
- Publication number
- JP4381071B2 JP4381071B2 JP2003313346A JP2003313346A JP4381071B2 JP 4381071 B2 JP4381071 B2 JP 4381071B2 JP 2003313346 A JP2003313346 A JP 2003313346A JP 2003313346 A JP2003313346 A JP 2003313346A JP 4381071 B2 JP4381071 B2 JP 4381071B2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- noble metal
- gas treatment
- solution
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003054 catalyst Substances 0.000 title claims description 40
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 51
- 239000002184 metal Substances 0.000 claims description 51
- 229910000510 noble metal Inorganic materials 0.000 claims description 36
- 150000003839 salts Chemical class 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 27
- 239000000084 colloidal system Substances 0.000 claims description 22
- 239000007864 aqueous solution Substances 0.000 claims description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 239000007853 buffer solution Substances 0.000 claims description 18
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 239000010953 base metal Substances 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000012266 salt solution Substances 0.000 claims description 5
- 239000012855 volatile organic compound Substances 0.000 claims description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 239000006174 pH buffer Substances 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 claims description 3
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 20
- 238000012360 testing method Methods 0.000 description 13
- 238000006722 reduction reaction Methods 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 230000009467 reduction Effects 0.000 description 8
- 238000011068 loading method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 150000003841 chloride salts Chemical class 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000008351 acetate buffer Substances 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 150000003058 platinum compounds Chemical class 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003313346A JP4381071B2 (ja) | 2003-09-05 | 2003-09-05 | 排ガス処理用触媒の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003313346A JP4381071B2 (ja) | 2003-09-05 | 2003-09-05 | 排ガス処理用触媒の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005081183A JP2005081183A (ja) | 2005-03-31 |
| JP2005081183A5 JP2005081183A5 (https=) | 2006-10-19 |
| JP4381071B2 true JP4381071B2 (ja) | 2009-12-09 |
Family
ID=34414293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003313346A Expired - Fee Related JP4381071B2 (ja) | 2003-09-05 | 2003-09-05 | 排ガス処理用触媒の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4381071B2 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3912377B2 (ja) | 2003-12-25 | 2007-05-09 | 日産自動車株式会社 | 排ガス浄化用触媒粉末の製造方法 |
| JP4547930B2 (ja) | 2004-02-17 | 2010-09-22 | 日産自動車株式会社 | 触媒、触媒の調製方法及び排ガス浄化用触媒 |
| JP4547935B2 (ja) | 2004-02-24 | 2010-09-22 | 日産自動車株式会社 | 排ガス浄化用触媒、排ガス浄化触媒、及び触媒の製造方法 |
| JP4513372B2 (ja) | 2004-03-23 | 2010-07-28 | 日産自動車株式会社 | 排ガス浄化用触媒及び排ガス浄化触媒 |
| JP4513384B2 (ja) | 2004-03-31 | 2010-07-28 | 日産自動車株式会社 | 高耐熱性排ガス浄化用触媒及びその製造方法 |
| US20080176742A1 (en) * | 2005-03-04 | 2008-07-24 | Mitsubishi Heavy Industries, Ltd. | Method For Producing Catalyst For Treating Exhaust Gas |
| JP5116969B2 (ja) * | 2005-12-27 | 2013-01-09 | 一般財団法人電力中央研究所 | 分解除去装置及びそれを用いた分解除去方法 |
| JP4801461B2 (ja) * | 2006-02-16 | 2011-10-26 | 三菱重工業株式会社 | 排ガス処理用触媒の製造方法 |
| JP4939082B2 (ja) | 2006-03-01 | 2012-05-23 | 三菱重工業株式会社 | 排ガス処理システム |
| JP4700648B2 (ja) * | 2007-03-28 | 2011-06-15 | 株式会社日本触媒 | 有機酸含有排ガス処理用触媒および該排ガス処理方法 |
| US8795619B2 (en) | 2007-05-08 | 2014-08-05 | Toyota Jidosha Kabushiki Kaisha | Catalyst for purification of exhaust gas, and apparatus and method for purification of exhaust gas using the catalyst |
| JP5144402B2 (ja) * | 2008-07-03 | 2013-02-13 | 日本碍子株式会社 | ハニカム構造体 |
| JP5298105B2 (ja) | 2010-12-06 | 2013-09-25 | ヤマハ発動機株式会社 | 排気ガス浄化用触媒の製造方法および自動車両 |
| JP5543565B2 (ja) * | 2012-10-17 | 2014-07-09 | 日本碍子株式会社 | ハニカム構造体 |
| JP5971136B2 (ja) * | 2013-01-28 | 2016-08-17 | 新日鐵住金株式会社 | 一酸化炭素酸化触媒及びその製造方法並びにガス中の一酸化炭素の除去方法 |
| CN111185167B (zh) * | 2020-03-19 | 2021-06-08 | 中国科学院过程工程研究所 | 一种用于CO净化的Pt基催化剂及其制备方法和用途 |
-
2003
- 2003-09-05 JP JP2003313346A patent/JP4381071B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005081183A (ja) | 2005-03-31 |
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