JP2018118248A - 押出しscrフィルタ - Google Patents
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- JP2018118248A JP2018118248A JP2018038330A JP2018038330A JP2018118248A JP 2018118248 A JP2018118248 A JP 2018118248A JP 2018038330 A JP2018038330 A JP 2018038330A JP 2018038330 A JP2018038330 A JP 2018038330A JP 2018118248 A JP2018118248 A JP 2018118248A
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- molecular sieve
- metal
- zeolite molecular
- flow filter
- wall flow
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Abstract
Description
混練可能なペーストを製造するために、表1に記載された成分A、B、FとSを水と混合することで、参照押出しV2O5/WOx-TiO2ソリッド本体が実施形態1及び5と類似に用意された。添加剤H(孔隙変更剤)が追加され、前記物質は孔隙変更剤を分散させるために、10分間混練された。結果組成物は、実施形態1及び5で説明されたように押し出され、乾燥し、焼成された。最終的に焼成された製品に存在する無機ソリッド量の百分率は100%である。焼成過程で燃焼により除去される添加剤(HとS)の量は、100%無機ソリッド成分に対して重量%で提供される。
A2=V2O5 from AMV(78%V2O5、GFE)
B1=ベントナイト(90%、ACE/Mizuka)
B2=カオリン(97、9%、TK0177/Thiele)
B3=SiO2(100%、Tixosil/Novus)
F1=ガラス繊維(Vetrotex 4、5mm/Saint Cobain)
H1=セルロース(QP10000H/Nordmann)
H2=PEO(Alkox/Alroko)
H3=Zusoplast(Zschimmer & Schwarz)
S1=MEA(Imhoff & Stahl)
S2=NH3
S3=C3H6O3(fauth)
押出しゼオライトモノリス基材がUS7,507,684に開示されたものと類似の方法で製造された。水素形態の商業的に利用可能な粉末βゼオライトがガラス繊維、カオリンフィラー及び粉末合成ベーマイト(Pural SB)と混合され、5-6のpH値を有する水溶液で処理され、好ましい孔隙率を有するように実施形態1で選択された量でセルロース(CMC-QP10000H)、可塑剤Zusoplast(Zschimmer&Schwarz GmbH&Co KGのブランド名)と有機補助剤PEOアルコックス(ポリエチレン酸化物)の混合物により成形可能であり、流動可能なスリップに製造される。前記出発物質の量的比率は最終ソリッド触媒本体の活性物質が69重量%のゼオライト、23重量%のγ-Al2O3及び5重量%のガラス繊維及び3重量%のカオリンを含むように選択される。前記成形可能な混合物は、300cpsiのセル密度を有する流れ貫通ハニカム触媒本体(即ち、連続したチャネルと円形の断面を有する)内に押し出される。次に、前記触媒本体は、WO2009/080155(全体内容が参照としてここに含まれる)に説明された方法により1時間2mbarで冷却乾燥し、ソリッド触媒本体を形成するために、580℃の温度で焼成される。
水素形態の商業的に利用可能な粉末βゼオライトが鉄水酸化物(iron hydroxide)、ガラス繊維、低アルカリクレーフィラー(low alkaline clay filler)及び粉末合成ベーマイト(Pural SB)と混合され、5-6のpH値を有する水溶液で処理されて成形可能であり、流動可能なスリップに製造された。前記混合物が適宜焼成されたとき、セルロースが全体無機ソリッド成分100%に対して8重量%で添加された。前記出発物質の量的比率は、最終ソリッド触媒本体の活性物質が好ましい水準の孔隙率を提供するように案内されたものであって、実施形態1を用いて選択された量で55重量%のゼオライト、25重量%のクレー、7重量%のγ-Al2O3、8重量%のガラス繊維及び5重量%の鉄及び鉄化合物を含むように選択される。前記成形可能な混合物は、400cpsiのセル密度を有する流れ貫通ハニカム触媒本体(即ち、連続したチャネルと円形の断面を有する)内に押し出される。次に、前記触媒本体は、WO2009/080155(全体内容が参照としてここに含まれる)に説明された方法により1時間2mbarで冷却乾燥し、ソリッド触媒本体を形成するために、580℃の温度で2010年8月21日に出願されたPCT特許出願番号PCT/EP2010/005140(全体内容が参照としてここに含まれる)に記載された方法により還元的に焼成される。説明された方法を利用することで、前記混合物内に注入された鉄の少なくとも一部がゼオライトとイオン交換されることが確認される。
これは例示的な実施形態である。WO2009/093071と類似するウォールフローフィルタモノリス基材が、以下のように製造され得る。非ゼオライトモレキュラーシーブを含む押出しモノリス基材がUS7,507,684に記載されたものと類似する方法と実施形態1により製造され得る。3重量%の銅を含有する活性物質であるイオン交換されたSAPO-34がガラス繊維及び粉末合成ベーマイト(Pural SB)と混合され、3.5のpH値を有する水溶液で処理され、3.5重量%のセルロース(CMC-QP1000H)、1.8重量%の可塑剤Zusoplast(Zschimmer&Schwarz GmbH&Co KGのブランド名)と、3.5重量%の有機補助剤PEOアルコックス(ポリエチレン酸化物)と、13重量%の孔隙変更剤Rettenmaier BC200、天然セルロース物質及びポリアクリロニトリル(PAN)繊維を含む成形可能であり、流動可能なスリップに製造される。前記出発物質の量的比率は、最終ソリッド触媒本体の活性物質が60重量%の銅-交換SAPO-34、35重量%のγ-Al2O3、5重量%のガラス繊維を含むように選択される。前記成形可能な混合物は、300cpsiのセル密度を備え、連続したチャネルと円形の断面を有する流れ貫通ハニカム触媒本体内に押し出される。次に、前記触媒本体は、WO2009/080155(全体内容が参照としてここに含まれる)に説明された方法により1時間2mbarで冷却乾燥し、ソリッド触媒本体を形成するために、580℃の温度で焼成される。前記押出しゼオライトモノリス基材は、約14cmの直径を有する流入領域と約19cmを有する流れ-貫通長さを有するものと予測される。結果製品は、一般に約10μmの平均孔隙大きさを有するようになる。
Claims (43)
- 還元剤の存在下で窒素酸化物を転換するための触媒を備えてなるウォールフローフィルタであって、
前記ウォールフローフィルタが、押出しソリッド本体を備えてなり、
前記押出しソリッド本体が、
10-100重量%の少なくとも1つのバインダ/マトリックス成分、
5-90重量%のゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物、及び
0-80重量%の選択的に安定化したセリアを含んでなり、
前記触媒が少なくとも1つの金属を含んでなり、
(i)前記少なくとも1つの金属が、前記押出しソリッド本体の全体に渡って存在してなり、
(ii)前記少なくとも1つの金属が、前記押出しソリッド本体の全体に渡って存在し、前記押出しソリッド本体の表面に更に高い濃度で存在してなり、
(iii)前記少なくとも1つの金属が、前記押出しソリッド本体の全体に渡って存在し、前記押出しソリッド本体の表面上の1つ以上のコーティング層に収容されてなり、又は
(iv)前記少なくとも1つの金属が、前記押出しソリッド本体の全体に渡って存在し、前記押出しソリッド本体の表面に更に高い濃度で存在し、前記押出しソリッド本体の表面上の1つ以上のコーティング層に収容されてなるものである、ウォールフローフィルタ。 - 前記押出しソリッド本体が、
10-100重量%のコーディエライト、窒化物、炭化物、ホウ化物、合金、リチウムアルミノ珪酸塩、選択的にドーピングされたアルミナ、シリカソース、チタニア、ジルコニア、チタニア-ジルコニア、ジルコン及びこれらのうち2つ以上の混合物、
0-80重量%のスピネル、
それぞれが少なくとも1つの金属を含む、5-90重量%のゼオライト、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物、
0-80重量%の選択的に安定化したセリア、及び
0-25重量%の無機繊維を含む、請求項1に記載のウォールフローフィルタ。 - 前記押出しソリッド本体が、基本的に、
10-100重量%のコーディエライト、窒化物、炭化物、ホウ化物、合金、リチウムアルミノ珪酸塩、スピネル、選択的にドーピングされたアルミナ、シリカソース、チタニア、ジルコニア、チタニア-ジルコニア、ジルコン及びこれらのうち2つ以上の混合物、
それぞれが少なくとも1つの金属を含む、50-90重量%のゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物、及び
0-25重量%の無機繊維を含む、請求項2に記載のウォールフローフィルタ。 - 前記押出しソリッド本体が、基本的に、
10-100重量%のコーディエライト、窒化物、炭化物、ホウ化物、合金、リチウムアルミノ珪酸塩、選択的にドーピングされたアルミナ、スピネル、シリカソース、チタニア、ジルコニア、チタニア-ジルコニア、ジルコン及びこれらのうち2つ以上の混合物、
それぞれが少なくとも1つの金属を含む、5-50重量%のゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物、
20-80重量%の選択的に安定化したセリア、及び
0-25重量%の無機繊維を含む、請求項2に記載のウォールフローフィルタ。 - 前記ウォールフローフィルタの孔隙率が、30-80%である、請求項1〜4の何れか一項に記載のウォールフローフィルタ。
- ゼオライトモレキュラーシーブ又は非ゼオライトモレキュラーシーブを含んでなり、
前記ゼオライトモレキュラーシーブ又は非ゼオライトモレキュラーシーブが、次のフレームワーク形態のコード:
国際ゼオライト協会の構造委員会により定義されたABW、ACO、AEI、AEN、AET、AFG、AFI、AFN、AFO、AFR、AFS、AFT、AFX、AFY、AHT、ANA、APC、APD、AST、ASV、ATN、ATO、ATS、ATT、ATV、AWO、AWW、BCT、BEA、BEC、BIK、BOF、BOG、BPH、BRE、BSV、CAN、CAS、CDO、CFI、CGF、CGS、CHA、-CHI、-CLO、CON、CZP、DAC、DDR、DFO、DFT、DOH、DON、EAB、EDI、EMT、EON、EPI、ERI、ESV、ETR、EUO、EZT、FAR、FAU、FER、FRA、GIS、GIU、GME、GON、GOO、HEU、IFR、IHW、IMF、ISV、ITE、ITH、ITR、ITW、IWR、IWS、IWV、IWW、JBW、JRY、KFI、LAU、LEV、LIO、-LIT、LOS、LOV、LTA、LTF、LTL、LTN、MAR、MAZ、MEI、MEL、MEP、MER、MFI、MFS、MON、MOR、MOZ、MRE、MSE、MOS、MTF、MTN、MTT、MTW、MWW、NAB、NAT、NES、NON、NPO、NSI、OBW、OFF、OSI、OSO、OWE、-PAR、PAU、PHI、PON、RHO、-RON、RRO、RSN、RTE、RTH、RUT、RWR、RWY、SAO、SAS、SAT、SAV、SBE、SBN、SBS、SBT、SFE、SFF、SFG、SFH、SFN、SFO、SFS、SGT、SIV、SOD、SOF、SOS、SSF、SSY、STF、STI、STO、STT、STW、-SVR、SZR、TER、THO、TOL、TON、TSC、TUN、UEI、UOS、UOZ、USI、UTL、VET、VFI、VNI、VSV、WEI、-WEN、YUG、ZON及びこれらのうち2つ以上の混合物、を有する、請求項1〜5の何れか一項に記載のウォールフローフィルタ。 - 前記ゼオライトモレキュラーシーブ又は非ゼオライトモレキュラーシーブが、前記国際ゼオライト協会の構造委員会で定義された最大8-リング孔隙開放の構造を有する、請求項6に記載のウォールフローフィルタ。
- 前記ゼオライト又は非ゼオライトモレキュラーシーブが、AEI、AFT、AFX、BEA、CHA、DDR、ERI、FAU、FER、ITE、ITW、KFI、LEV、LTA、MER、MFI、MOR、MTS、NSI、PAU、PHI、RHO、RTH、STI、SZR、UFI及びこれらのうち2つ以上の混合物からなる群より選択される、請求項6又は7に記載のウォールフローフィルタ。
- 前記ゼオライト又は非ゼオライトモレキュラーシーブが、AEI、BEA、CHA、ERI、FER、MFI、NSI、STI及びこれらのうち2つ以上の混合物からなる群より選択される、請求項6〜8の何れか一項に記載のウォールフローフィルタ。
- 前記ゼオライトモレキュラーシーブが、ZSM-5、ベータ、フェリエライト、SSZ-13及びこれらのうち2つ以上の混合物からなる群より選択される、請求項1〜9の何れか一項に記載のウォールフローフィルタ。
- 前記ゼオライトモレキュラーシーブが、10以上のシリカ-アルミナ比を有するアルミノ珪酸塩である、請求項1〜10の何れか一項に記載のウォールフローフィルタ。
- 前記ゼオライトモレキュラーシーブ又は非ゼオライトモレキュラーシーブが、1つ以上の置換フレームワーク金属を含む同形体である、請求項6〜11の何れか一項に記載のウォールフローフィルタ。
- 前記同形体が、>25のシリカ-アルミナ比を有する、請求項12に記載のウォールフローフィルタ。
- 前記同形体が、>20のシリカ-フレームワーク金属比を有する、請求項12又は13に記載のウォールフローフィルタ。
- 前記非ゼオライトモレキュラーシーブが、リン酸アルミニウムである、請求項6〜9の何れか一項に記載のウォールフローフィルタ。
- 前記リン酸アルミニウムが、AlPO、金属置換されたAlPO(MeAlPO)、SAPO(silicoaluminophosphate)又は金属置換されたSAPO(MeAPSO)である、請求項15に記載のウォールフローフィルタ。
- 前記非ゼオライトモレキュラーシーブが、SAPO-18、SAPO-34、SPO-44及びSAPO-47からなる群より選択される、請求項16に記載のウォールフローフィルタ。
- 前記リン酸アルミニウムのシリカ-アルミノ比が、<1.0である、請求項16又は17に記載のウォールフローフィルタ。
- 前記少なくとも1つの金属が、それぞれ、
(a)前記押出しソリッド本体の全体に渡って存在し、
(b)前記押出しソリッド本体の表面で更に高い濃度で存在し、
(c)前記押出しソリッド本体の表面上の1つ以上のコーティング層に収容されてなり、
前記(ii)、前記(iii)及び前記(iv)での金属が、他の位置に存在する前記少なくとも1つの金属と異なる、請求項1〜18の何れか一項に記載のウォールフローフィルタ。 - ゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物を含んでなり、
前記少なくとも1つの金属が、前記ゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又は前記ゼオライトモレキュラーシーブ成分と非ゼオライトモレキュラーシーブ成分の少なくとも1つと混合物として結合される、請求項1〜19の何れか一項に記載のウォールフローフィルタ。 - 前記押出しソリッド本体が、前記ゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又は前記ゼオライトモレキュラーシーブ成分と非ゼオライトモレキュラーシーブ成分の少なくとも1つと混合物として結合される少なくとも1つの第1金属と、
前記ゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又は前記ゼオライトモレキュラーシーブ成分と非ゼオライトモレキュラーシーブ成分の少なくとも1つと混合物として結合されない少なくとも1つの第2金属とを含んでなる、請求項20に記載のウォールフローフィルタ。 - 前記ゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又は前記ゼオライトモレキュラーシーブ成分と非ゼオライトモレキュラーシーブ成分の少なくとも1つと混合物として結合される少なくとも1つの金属が、遷移金属、ランタン又はこれらのうち2つ以上の混合物からなる群より選択される1つ以上の金属を含む、請求項20又は21に記載のウォールフローフィルタ。
- 前記遷移金属が、IB族金属、IVB族金属、VB族金属、VIIB族金属及びVIII族金属からなる群より選択される、請求項22に記載のウォールフローフィルタ。
- 前記遷移金属が、Fe、Cu、Ce、Hf、La、Mn、Pt、Au、Ag、In、Rh、V、Ir、Ru及びOsからなる群より選択される、請求項22又は23に記載のウォールフローフィルタ。
- 前記ランタナイド金属が、La、Pr及びCeから選択される、請求項23に記載のウォールフローフィルタ。
- 前記ゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又は前記ゼオライトモレキュラーシーブ成分と非ゼオライトモレキュラーシーブ成分の少なくとも1つと混合物として結合される前記少なくとも1つの金属で前記全体金属成分が、0.1〜20重量%である、請求項19〜25の何れか一項に記載のウォールフローフィルタ。
- 前記少なくとも1つの金属が、前記ゼオライトモレキュラーシーブ成分、前記非ゼオライトモレキュラーシーブ成分又は前記ゼオライトモレキュラーシーブ成分と前記非ゼオライトモレキュラーシーブ成分のうちの少なくとも1つ及び混合物としての前記非ゼオライトモレキュラーシーブ成分と結合されない前記押出しソリッド本体の全体に渡って、前記押出しソリッド本体の表面に位置する少なくとも1つの金属の大部分に、前記押出しソリッド本体の表面上の1つ以上のコーティング層に、又はアルカリ金属、アルカリ土金属、遷移金属、ランタナイド又はこれらのうち2つ以上の混合物からなる群より選択された少なくとも1つの金属を含む前記押出しソリッド本体の表面で更に高い濃度で備えられる、請求項1〜26の何れか一項に記載のウォールフローフィルタ。
- 前記少なくとも1つの金属が、前記ゼオライトモレキュラーシーブ成分、前記非ゼオライトモレキュラーシーブ成分又は前記ゼオライトモレキュラーシーブ成分と前記非ゼオライトモレキュラーシーブ成分のうちの少なくとも1つ及び混合物としての前記非ゼオライトモレキュラーシーブ成分と結合されない前記押出しソリッド本体の全体に渡って、前記押出しソリッド本体の表面に位置する少なくとも1つの金属の大部分に、前記押出しソリッド本体の表面上の1つ以上のコーティング層に、又は遷移金属、ランタナイド又はこれらのうち2つ以上の混合物からなる群より選択された少なくとも1つの金属を含む前記押出しソリッド本体の表面で更に高い濃度で備えられる全体金属成分は、0.1〜20重量%である、請求項27に記載のウォールフローフィルタ。
- 前記フィルタは押出しソリッド本体を含んでなり、
前記押出しソリッド本体が、基本的に、
10-100重量%のコーディエライト、窒化物、炭化物、ホウ化物、合金、リチウムアルミノ珪酸塩、スピネル、選択的にドーピングされたアルミナ、チタニア、ジルコニア、チタニア-ジルコニア、ジルコン及びこれらのうち2つ以上の混合物、
0-30重量%のシリカソース、
Cu、Fe及びCeからなる群より選択される1-20重量%の1つ以上の金属を含む50-90重量%の非ゼオライトモレキュラーシーブ、及び
0-20重量%の無機繊維を含む、請求項1〜28の何れか一項に記載のウォールフローフィルタ。 - 前記押出しソリッド本体の表面上の1つ以上のコーティング層が、少なくとも1つの金属を含んでなり、
前記触媒の全体金属含有量が、0.1〜30重量%である、請求項1〜29の何れか一項に記載のウォールフローフィルタ。 - 固定型又は移動型発生源からの排気ガスを処理するために用いられるとき、前記押出しソリッド本体で半径方向の亀裂及びリング亀裂を防止するのに十分な軸方向熱衝撃パラメータ(TSP)と半径方向TSPを有する、請求項1〜30の何れか一項に記載のウォールフローフィルタ。
- 前記半径方向TSPが、750℃で>0.4である、請求項31に記載のウォールフローフィルタ。
- 前記少なくとも1つのバインダ/マトリックス成分が、コーディエライト、窒化物、炭化物、ホウ化物、合金、リチウムアルミノ珪酸塩、スピネル、選択的にドーピングされたアルミナ、シリカソース、チタニア、ジルコニア、チタニア-ジルコニア、ジルコン及びこれらのうち2つ以上の混合物からなる群より選択される、請求項1〜32の何れか一項に記載のウォールフローフィルタ。
- 前記スピネルが、MgAl2O4であるか、
前記MgがCo、Zr、Zn又はMnからなる群よりの金属で部分的に置換されてなる、請求項1〜33の何れか一項に記載のウォールフローフィルタ。 - 前記アルミナが、αアルミナ、βアルミナ、γアルミナ、χアルミナ、ηアルミナ、ρアルミナ、κアルミナ、θアルミナ、δアルミナ、ランタンβアルミナ及びこれらのうち2つ以上の混合物からなる群より選択される、請求項33又は34に記載のウォールフローフィルタ。
- 前記シリカソースが、シリカ、シリカゾル、石英、溶融又は無定形シリカ、珪酸ナトリウム、無定形アルミノ珪酸塩、アルコキシシラン、シリコン樹脂バインダ、クレー、タルク又はこれらのうち2つ以上の混合物からなる群より選択される、請求項33〜35の何れか一項に記載のウォールフローフィルタ。
- 前記クレーが、フラー土、セピオライト、スメクタイト、カオリン及びこれらのうち2つ以上の混合物からなる群より選択される、請求項36に記載のウォールフローフィルタ。
- 前記無機繊維が、炭素繊維、ガラス繊維、金属繊維、ホウ素繊維、アルミナ繊維、シリカ繊維、シリカ-アルミナ繊維、炭化珪素繊維、チタン酸カリウム繊維、ホウ酸アルミニウム繊維及びセラミック繊維からなる群より選択される、請求項33〜37の何れか一項に記載のウォールフローフィルタ。
- 前記セリアが、前記セリアの熱安定性を向上させるために、少なくとも1つの非セリウム成分で安定化される、請求項1〜38の何れか一項に記載のウォールフローフィルタ。
- 請求項1〜49の何れか一項によるウォールフローフィルタを製造する方法であって、
粉末の出発物質を混合してソリッド押出し本体を形成し、
前記粉末の出発物質が、少なくとも1つのバインダ/マトリックス成分又はこれの1つ以上の前駆体、少なくとも1つの金属に結合されるゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物、選択的に安定化したセリア、及び少なくとも1つの金属化合物、選択的無機繊維、選択的に添加された有機補助剤であり、
少なくとも1つの金属の金属塩を選択的に含有する酸又はアルカリ水溶液でプラスチック化合物内に混合物を形成し、混合及び/又は混練を通じて処理し、
前記混合物は触媒本体に押し出し、前記触媒本体を乾燥させ、ソリッド押出し本体を形成するために焼成し、
前記ソリッド押出し本体が10-100重量%の少なくとも1つのバインダ/マトリックス成分、及び5-90重量%のゼオライトモレキュラーシーブ、非ゼオライトモレキュラーシーブ又はこれらのうち2つ以上の混合物、及び0-80重量%の選択的に安定化したセリア及び少なくとも1つの金属又は金属化合物を含有するように前記出発物質の比率を選択し、
前記ソリッド押出し本体の表面を少なくとも1つの金属で含浸及び/又は少なくとも1つの金属を含む少なくとも1つのコーティング層で前記ソリッド押出し本体の表面を選択的にコーティング処理することを含んでなる、製造方法。 - 固定型発生源又は車両の内燃機関から発生した排気ガスを処理する方法であって、窒素性還元剤と混合された前記排気ガスを請求項1〜39の何れか一項によるウォールフローフィルタと接触させることを含んでなる、方法。
- 請求項1〜39の何れか一項によるウォールフローフィルタ、窒素性還元剤ソース及び前記ウォールフローフィルタの上流側に流動する排気ガスに窒素性還元剤を注入するための手段を備えてなる、排気システム。
- 内燃機関及び請求項42による排気システムを備えてなる、車両。
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| JP2012550521A Active JP5784042B2 (ja) | 2010-02-01 | 2011-02-01 | 押出しscrフィルタ |
| JP2014225243A Pending JP2015077597A (ja) | 2010-02-01 | 2014-11-05 | 酸化触媒 |
| JP2014225245A Pending JP2015077598A (ja) | 2010-02-01 | 2014-11-05 | 押出しソリッド体を含む三元触媒 |
| JP2015039918A Expired - Fee Related JP6383683B2 (ja) | 2010-02-01 | 2015-03-02 | 押出しscrフィルタ |
| JP2015186579A Expired - Fee Related JP6123095B2 (ja) | 2010-02-01 | 2015-09-24 | 結合された煤煙酸化及びnh3−scr触媒を含むフィルタ |
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| JP (10) | JP6312361B2 (ja) |
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| RU (5) | RU2570934C2 (ja) |
| WO (5) | WO2011092517A1 (ja) |
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