JP2018510769A - 触媒化セラミックキャンドルフィルタ及びプロセスオフガスまたは排ガスの清浄方法 - Google Patents
触媒化セラミックキャンドルフィルタ及びプロセスオフガスまたは排ガスの清浄方法 Download PDFInfo
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- JP2018510769A JP2018510769A JP2017546963A JP2017546963A JP2018510769A JP 2018510769 A JP2018510769 A JP 2018510769A JP 2017546963 A JP2017546963 A JP 2017546963A JP 2017546963 A JP2017546963 A JP 2017546963A JP 2018510769 A JP2018510769 A JP 2018510769A
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- palladium
- exhaust gas
- ceramic
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- 239000000919 ceramic Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 17
- 238000004140 cleaning Methods 0.000 title description 3
- 230000003197 catalytic effect Effects 0.000 title 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003054 catalyst Substances 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims abstract description 43
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 22
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- 230000003647 oxidation Effects 0.000 claims abstract description 16
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000004071 soot Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000002956 ash Substances 0.000 claims abstract description 5
- 150000002736 metal compounds Chemical class 0.000 claims abstract description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 25
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 18
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 16
- 239000012466 permeate Substances 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 10
- FGZBFIYFJUAETR-UHFFFAOYSA-N calcium;magnesium;silicate Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])([O-])[O-] FGZBFIYFJUAETR-UHFFFAOYSA-N 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 5
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229960003340 calcium silicate Drugs 0.000 claims description 3
- 235000012241 calcium silicate Nutrition 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000012855 volatile organic compound Substances 0.000 description 9
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910021541 Vanadium(III) oxide Inorganic materials 0.000 description 2
- 229910021542 Vanadium(IV) oxide Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 150000002240 furans Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000002940 palladium Chemical class 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- IBYSTTGVDIFUAY-UHFFFAOYSA-N vanadium monoxide Chemical compound [V]=O IBYSTTGVDIFUAY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 239000011865 Pt-based catalyst Substances 0.000 description 1
- QUEDYRXQWSDKKG-UHFFFAOYSA-M [O-2].[O-2].[V+5].[OH-] Chemical compound [O-2].[O-2].[V+5].[OH-] QUEDYRXQWSDKKG-UHFFFAOYSA-M 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 229910052915 alkaline earth metal silicate Inorganic materials 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 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
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- KFAFTZQGYMGWLU-UHFFFAOYSA-N oxo(oxovanadiooxy)vanadium Chemical compound O=[V]O[V]=O KFAFTZQGYMGWLU-UHFFFAOYSA-N 0.000 description 1
- DUSYNUCUMASASA-UHFFFAOYSA-N oxygen(2-);vanadium(4+) Chemical compound [O-2].[O-2].[V+4] DUSYNUCUMASASA-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- GRUMUEUJTSXQOI-UHFFFAOYSA-N vanadium dioxide Chemical compound O=[V]=O GRUMUEUJTSXQOI-UHFFFAOYSA-N 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
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- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
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Abstract
Description
含窒素還元剤を含むプロセスオフガスもしくはエンジン排ガスを提供するかまたは含窒素還元剤をオフガスもしくは排ガスに添加するステップ;
このオフガスまたは排ガスをセラミックキャンドルフィルタに通し及び粒状物を捕集するステップ;
フィルタの分散側及び/または壁内に配置された複合SCR及び酸化触媒と接触させて、フィルタの分散側に捕集された粒状物中の煤の量を減少させ、オフガスもしくは排ガス中の炭化水素の量を酸化によって減少させ、及び窒素酸化物の量を、含窒素還元剤での窒素酸化物の選択的触媒還元(SCR)によって減少させるステップ;及び
ガスをフィルタの壁中を通過させ、そしてフィルタの透過側上に及び/または透過側に面するフィルタの壁内に配置されたパラジウム含有触媒と接触させて、フィルタ壁を通過するガス中の一酸化炭素及びアンモニアの量を減少させるステップ;
を含む方法を提供する。
酸化バナジウム(II)(一酸化バナジウム)、VO;または
酸化バナジウム(III)(三二酸化バナジウムまたは三酸化バナジウム)、V2O3; または
酸化バナジウム(IV)(二酸化バナジウム)、VO2;または
酸化バナジウム(V)(五酸化バナジウム)、V2O5;
のことを指す。
以下の例は、カルシウム−マグネシウム−シリケート繊維から製造された、長さ3m及び壁厚20mmのセラミックキャンドルフィルタを用いて得ることができる性能を例証するものである。該フィルタは、フィルタの全重量に基づいて計算して1.26重量%のV及び2.36重量%のTiを含むV/Ti触媒で壁内でコーティングされる。コーティングされたフィルタの多孔度は83%であった。このフィルタを、40ppmの無水トルエン、19体積%のO2、8体積%のH2Oを含む入口ガス中でのトルエンの酸化について試験した。
以下の例は、追加的に36ppmのPdでコーティングされた、例1のセラミックキャンドルフィルタのCO酸化性能を例証するものである。これらの試験は、約150ppmの湿性CO、19%のO2及び8%のH2Oを含むガスを用いて行った。
Claims (12)
- プロセスオフガスまたはエンジン排ガス中に存在する炭化水素及び窒素酸化物と一緒に、煤、灰、金属及び金属化合物の形の粒状物を除去するのに適したセラミックキャンドルフィルタであって、フィルタの少なくとも分散側上に及び/または壁内に配置された複合SCR及び酸化触媒;及び
フィルターの透過側上に及び透過側に面するフィルターの壁内に配置されたパラジウム含有触媒を含む、セラミックキャンドルフィルタ。 - 複合SCR及び酸化触媒が酸化バナジウム類及びチタニアを含む、請求項1に記載のセラミックキャンドルフィルタ。
- パラジウム含有触媒が酸化バナジウム類及びチタニアを更に含む、請求項1または2に記載のセラミックキャンドルフィルタ。
- パラジウム含有触媒が、フィルタの20ppm/重量と1000ppm/重量との間の量でパラジウムを含む、請求項1〜3のいずれか一つに記載のセラミックキャンドルフィルタ。
- フィルタのセラミック材料が、シリカ−アルミネート、カルシウム−マグネシウム−シリケート、カルシウム−シリケート繊維またはこれらの混合物の群から選択される、請求項1〜4のいずれか一つに記載のセラミックキャンドルフィルタ。
- フィルタのセラミック材料が、カルシウム−マグネシウム−シリケートの群から選択される生体内溶解性繊維からなる、請求項5に記載のセラミックキャンドルフィルタ。
- プロセスオフガスまたはエンジン排ガス中に存在する炭化水素及び窒素酸化物と一緒に、煤、灰、金属及び金属化合物の形の粒状物を除去するための方法であって、次のステップ:
含窒素還元剤を含むプロセスオフガスもしくはエンジン排ガスを提供するかまたは含窒素還元剤をプロセスオフガスもしくは排ガスに添加するステップ;
このオフガスまたは排ガスをセラミックキャンドルフィルタに通し及び粒状物をフィルタの分散側に捕集するステップ;
フィルタの分散側上に及び/または壁内に配置された複合SCR及び酸化触媒と接触させて、フィルタの分散側に捕集された粒状物中の煤の量を減少させ、及びオフガスもしくは排ガス中の炭化水素の量を酸化によって減少させ、及び含窒素還元剤での窒素酸化物の選択的触媒還元(SCR)によって窒素酸化物の量を減少させるステップ;及び
ガスをフィルタの壁中を通過させ、そしてフィルタの透過側上に及び/または透過側に面するフィルタの壁内に配置されたパラジウム含有触媒と接触させて、フィルタ壁を通過するガス中の一酸化炭素及びアンモニアの量を減少させるステップ;
を含む方法。 - 複合SCR及び酸化触媒が酸化バナジウム類及びチタニアを含む、請求項7に記載の方法。
- パラジウム含有触媒が酸化バナジウム類及びチタニアを更に含む、請求項6〜8のいずれか一つに記載の方法。
- パラジウム含有触媒が、フィルタの20ppm/重量と1000ppm/重量との間の量でパラジウムを含む、請求項6〜9のいずれか一つに記載の方法。
- フィルタのセラミック材料が、シリカ−アルミネート、カルシウム−マグネシウム−シリケート、カルシウム−シリケート繊維またはこれらの混合物から選択される、請求項6〜10のいずれか一つに記載の方法。
- フィルタのセラミック材料が、カルシウム−マグネシウム−シリケートの群から選択される生体内溶解性繊維を含む、請求項6〜10のいずれか一つに記載の方法。
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JP2022530128A (ja) * | 2019-04-26 | 2022-06-27 | ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフト | 複合粒子状物質除去及び窒素酸化物の選択的触媒還元(scr)のための触媒セラミックキャンドルフィルタ |
JP7421571B2 (ja) | 2019-04-26 | 2024-01-24 | トプソー・アクチエゼルスカベット | 複合粒子状物質除去及び窒素酸化物の選択的触媒還元(scr)のための触媒セラミックキャンドルフィルタ |
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CN107427770B (zh) | 2021-03-02 |
WO2016150464A1 (en) | 2016-09-29 |
US20180008963A1 (en) | 2018-01-11 |
KR102479638B1 (ko) | 2022-12-21 |
DK3271049T3 (da) | 2020-04-27 |
CN107427770A (zh) | 2017-12-01 |
EP3271049B1 (en) | 2020-03-04 |
AR103897A1 (es) | 2017-06-14 |
KR20170128219A (ko) | 2017-11-22 |
JP6626118B2 (ja) | 2019-12-25 |
CA2976140A1 (en) | 2016-09-29 |
US10076743B2 (en) | 2018-09-18 |
ES2792679T3 (es) | 2020-11-11 |
EP3271049A1 (en) | 2018-01-24 |
CA2976140C (en) | 2020-12-08 |
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