JP6571788B2 - 触媒化セラミックキャンドルフィルタ及び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オフガスまたは排ガスの清浄方法 Download PDFInfo
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- JP6571788B2 JP6571788B2 JP2017546964A JP2017546964A JP6571788B2 JP 6571788 B2 JP6571788 B2 JP 6571788B2 JP 2017546964 A JP2017546964 A JP 2017546964A JP 2017546964 A JP2017546964 A JP 2017546964A JP 6571788 B2 JP6571788 B2 JP 6571788B2
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- nitrogen
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- 238000000034 method Methods 0.000 title claims description 27
- 239000000919 ceramic Substances 0.000 title claims description 23
- 238000004140 cleaning Methods 0.000 title description 3
- 230000003197 catalytic effect Effects 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 48
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 44
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 36
- 239000003054 catalyst Substances 0.000 claims description 34
- 238000007254 oxidation reaction Methods 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 19
- 229910052763 palladium Inorganic materials 0.000 claims description 19
- 229930195733 hydrocarbon Natural products 0.000 claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims description 14
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 12
- 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 11
- 239000000835 fiber Substances 0.000 claims description 11
- 239000004071 soot Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 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
- 229910010293 ceramic material Inorganic materials 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 7
- 239000002956 ash Substances 0.000 claims description 6
- 239000013618 particulate matter Substances 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 150000002736 metal compounds Chemical class 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 2
- -1 vanadium oxide compound Chemical class 0.000 claims 1
- 239000012855 volatile organic compound Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 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
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 239000000378 calcium silicate Substances 0.000 description 3
- 229960003340 calcium silicate Drugs 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 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
- 230000010718 Oxidation Activity Effects 0.000 description 2
- 229910021541 Vanadium(III) oxide Inorganic materials 0.000 description 2
- 229910021542 Vanadium(IV) oxide Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 150000002240 furans Chemical class 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- IBYSTTGVDIFUAY-UHFFFAOYSA-N vanadium monoxide Chemical compound [V]=O IBYSTTGVDIFUAY-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 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
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 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
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 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
- 150000002940 palladium Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 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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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;及び
フィルタの分散側上及び/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炭化水素の酸化によって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、少なくとも一つの微粒子フィルタ上に捕集された粒状物中の煤の量を減らし及びオフガスもしくは排ガス中の窒素酸化物及び炭化水素の量を減らし、ここで前記複合SCR及び酸化触媒はパラジウム、酸化バナジウム類及びチタニアを含む、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。
更に、本発明は以下の実施の態様も包含する:
1)
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、金属及び金属酸化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及び酸化触媒を含み、この複合SCR及び酸化触媒がパラジウム、酸化バナジウム類及びチタニアを含む、セラミックキャンドルフィルタ。
2)
触媒が、フィルタの20ppm/重量と1000ppm/重量との間の量、好ましくは20ppmと200ppmとの間の量でパラジウムを含む、前記1)に記載のセラミックキャンドルフィルタ。
3)
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、前記1)または2)に記載のセラミックキャンドルフィルタ。
4)
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、前記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。
5)
煤、灰、金属及び金属化合物の形の粒状物を、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;及び
フィルタの分散側上及び/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炭化水素の酸化によって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、少なくとも一つの微粒子フィルタ上に捕集された粒状物中の煤の量を減らし及びオフガスもしくは排ガス中の窒素酸化物及び炭化水素の量を減らし、ここで前記複合SCR及び酸化触媒はパラジウム、酸化バナジウム類及びチタニアを含む、ステップ;
を含む方法。
6)
複合酸化及びSCR触媒が、フィルタの20ppm/重量と1000ppm/重量との間の量、好ましくは20ppmと200ppmとの間の量でパラジウムを含む、請求項5に記載の方法。
7)
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、前記5)または6)に記載の方法。
8)
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、前記5)または6)に記載の方法。
Claims (4)
- 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、金属及び金属酸化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及び酸化触媒を含み、この複合SCR及び酸化触媒がパラジウム、酸化バナジウム類及びチタニアを含み、
触媒が、フィルタの重量に基づいて20ppmと1000ppmとの間の量でパラジウムを含み、そして
フィルタのセラミック材料が、カルシウム−マグネシウム−シリケートからなる生体内溶解性繊維からなる、
上記セラミックキャンドルフィルタ。 - 触媒が、フィルタの重量に基づいて20ppmと200ppmとの間の量でパラジウムを含む、請求項1に記載のセラミックキャンドルフィルタ。
- 煤、灰、金属及び金属化合物の形の粒状物を、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;及び
フィルタの分散側上及び/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炭化水素の酸化によって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、少なくとも一つの微粒子フィルタ上に捕集された粒状物中の煤の量を減らし及びオフガスもしくは排ガス中の窒素酸化物及び炭化水素の量を減らし、ここで前記複合SCR及び酸化触媒はパラジウム、酸化バナジウム類及びチタニアを含む、ステップ;
を含み、
触媒が、フィルタの重量に基づいて20ppmと1000ppmとの間の量でパラジウムを含み、そして
フィルタのセラミック材料が、カルシウム−マグネシウム−シリケートからなる生体内溶解性繊維からなる、
上記方法。 - 複合酸化及びSCR触媒が、フィルタの重量に基づいて20ppmと200ppmとの間の量でパラジウムを含む、請求項3に記載の方法。
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JP6215361B2 (ja) * | 2013-02-14 | 2017-10-18 | ハルドール・トプサー・アクチエゼルスカベット | 煙道ガス又は排気ガスから一酸化炭素及び窒素酸化物を同時に除去するための方法及び触媒 |
GB2514177A (en) * | 2013-05-17 | 2014-11-19 | Johnson Matthey Plc | Oxidation catalyst for a compression ignition engine |
JP6576461B2 (ja) | 2015-03-20 | 2019-09-18 | ハルドール・トプサー・アクチエゼルスカベット | 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 |
KR102479638B1 (ko) | 2015-03-20 | 2022-12-21 | 토프쉐 에이/에스 | 촉매화된 세라믹 캔들 필터 및 공정 오프가스 또는 배기가스의 정화 방법 |
WO2016150465A1 (en) * | 2015-03-20 | 2016-09-29 | Haldor Topsøe A/S | Catalyzed ceramic candle filter and method for cleaning of off- or exhaust gases |
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CA2976131A1 (en) | 2016-09-29 |
KR20170128220A (ko) | 2017-11-22 |
US10105682B2 (en) | 2018-10-23 |
EP3271050A1 (en) | 2018-01-24 |
WO2016150465A1 (en) | 2016-09-29 |
AR103898A1 (es) | 2017-06-14 |
KR102424112B1 (ko) | 2022-07-25 |
CN107427771A (zh) | 2017-12-01 |
CA2976131C (en) | 2021-07-06 |
US20180008964A1 (en) | 2018-01-11 |
JP2018514367A (ja) | 2018-06-07 |
CN107427771B (zh) | 2021-07-02 |
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