HUE026104T2 - Extrudált SCR szûrõ - Google Patents

Extrudált SCR szûrõ Download PDF

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Publication number
HUE026104T2
HUE026104T2 HUE11703251A HUE11703251A HUE026104T2 HU E026104 T2 HUE026104 T2 HU E026104T2 HU E11703251 A HUE11703251 A HU E11703251A HU E11703251 A HUE11703251 A HU E11703251A HU E026104 T2 HUE026104 T2 HU E026104T2
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HU
Hungary
Prior art keywords
metal
weight
zeolite
extruded
molecular sieve
Prior art date
Application number
HUE11703251A
Other languages
English (en)
Inventor
Ralf Dotzel
Rainer Leppelt
Joerg Werner Muench
Hubert Schedel
Original Assignee
Johnson Matthey Plc
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Publication date
Application filed by Johnson Matthey Plc filed Critical Johnson Matthey Plc
Publication of HUE026104T2 publication Critical patent/HUE026104T2/hu

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    • B01J23/74—Iron group metals
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Claims (5)

  1. Extrudált SCR szűrő Szabadalmi Igénypörstak il* iRmgéböxIdökíMk redukalőszer je Is η I été ben történő átalakítására szolgálö katalizátort tartalmaié faléramú szűré, mely faláramú szíré agy extrudált szilárd testet tartalmaz, mely; lö~9S tömeg % legalább agy köiőaoyag/máblx komponenst ; S-90 tömag% zeolites molekulaszitát, tem-zeolitos molekuiaszltát vagy ezek közit bármely kettő vagy több keverékét; és Ü~8ö töm eg % adott esetben stabilizált eérfumoxidoi: tartalmaz, ahol a katalizátor legalább egy fémet tartalmaz, atel: (I) a legalább egy fém a teljes extradait szilárd testben jelen van, ás ugyancsak jelen van magasabb koncentrációban az extrudált szilárd test felületénél,: CM) a legalább egy fém a teljes extrudált szilárd testben jelen mnt és ugyancsak jelén van az extrádéit szilárd test felületén jelenlévő egy vagy több bevonati rétegben; vagy (ifij a legalább egy fém a leps extradait szilárd testben pen van, ugyancsak jeian vén magasabb koncentrációban az extrudált szilárd test felületénél és ugyancsak jelen van az extrudált szilárd test felületén jelenlévő egy vagy több bevonati rétegben,
  2. 3, Az il, igénypont szerinti faláramú szűrő,, ahoi tbe extrudált szilárd test tartalmaz: 1-0-95 tömeg% kordiedtet,. nítrideket, karbldokat, boridokat,. intermetallikus fázisokat,, lltium-aiuminium-sziiikátot,. egy adott, esetben adalékéit, eluminíum-oxldot, sxtllclumdloxld forrást, títándioxlöot, cirkóniumdioxidöt, titándioxid-cirkóniumdloxidot,. clrkont, titán-cirkon!, és ezek közül bármely keltő vagy több keverékét; ö-Sö tőmeg% splnalit; 5-90 tömeg% zeoiítos moíekulaszitát, nenvzooiitos molekulaszltát vagy ezek közül bármely kettő vagy több keverékét, melyek bármelyike adott esetben égy vagy több fémet tartalmaz; 0-80 tőmeg% adott esetben stabilizált cérlumoxldot; és ÖK£5 tömeg % szervetlen szálát
    3. Az 1. vagy 2. Igénypont szerinti fatáramü szűrő, aboi a feláramé szűrő parazitása 30-80%, 4, A,?, előző igénypontok bármelyike szerinti falé rarnú szűrő, mely egy zeoíitos molekula-szitát vagy agy nem-zeolitos mofekylaszltát, ahoi a zeoíitos motekulaszita vagy a nem-zeoíitos molekulaszlfa szerkezeti ködje a Structure Commission of Äs International léolife Association meghatározása szerint A&amp;W, ACO, ΑΕΙ, AEt, AEN, AST, AEC, AH, ÂFN.. AFÖ, AFR, AFS,, APT, AFX, AFY, ÄHT, ANA, APC, ARO, AST, ASV, ATM, ATO, ATS, ATT, AÎV, AWQ, AWW, BCT, BEA, BEC, SIX, SOP, BOG, BPH, ERE, BSV, CAN, CAS, CDD, CFI, CGF, CCS, CNA, -CHI, -CIO, CON, C2P, DAC, DDR, ÖFÖ, DFT, OOH, DON, EAB, EDI, BIT, EON, ERI, ERI, E:SV, BTR, EUO, EZT, FAR, FAU, PER, FRA, GIS, GIU, GM£, CON, GOO, HEU, 1ER, 1HW, IMF, ISV, FFE, ITH, ITA, ITW, ÍWR, IWS, IWV, IWW, JEW, JRY, KFI, LAM, LEV, UO, -UT, LOS.. LOV, LTA, LIT, LTL, LTN, MAR, MA Z, MSI, MEL, MER, MER, MFÎ, H FS, MON, MOR, MOZ, H RE, MSE, MSO, MTFt MTN, MTÎ, MTVV, MWW, NAB, NAT, NES, NON, NRO, NSI, OBW, OFF, OSI, OSO, OWE, -PAR, RAU, PHI, RON, RHO, -RON, RRO, RSN, RTE, RTH, RUT, RWR, RWY, SAO, SAS, SAT, SAV, S8E, SBN, SSS, SBT, SFE, SFF, SPG, SPH, SFN, SPO, SPS, SGT, SIV, SOD, SOF, SOS, SSP, SSY, STF, STI, $TO, STT, STW, -SVR, SZR, TER, THO, TOL, TON, TSC, TUN, UEI, UFi, UOS, UOZ> USI, UTL, VPT, VF!, VNI, VSV, WEI, -WEN, YUG, ZON Is ezek közül bármely kettő vagy több keverékét tartalmazza. 5, A 4< igénypont szerinti faiáramú szőre, ahol a zeoíitos moiekuíaszíta vagy a nemzőül itos molekuíaszlta a Structure Commission of the International Zeolite Association szerinti legfeljebb 8 gyurutsgá pórusnyíiássai rendelkezik,
  3. 6, Az előző igénypontok bármelyike szerinti talárom ú szűrő, ahol az (1), (II) és (ül) jellemzők szerinti, (a) ab extradé It szilárd test egészében; (b) magasabb koneentráciöban az extrudált szilárd test felületénél; és (c) az extrádéit szilárd fest felületén elhelyezkedő egy vagy több bevonati rétégben jelenlévő legalább egy fém eltérő a más helyzetiek)ben 7< Az előző igénypontok bármelyike szerinti feláramé szúrd, mely egy zeoíitos molekula-szltáf, nam-zaolítos molekulaszltát vagy ezek közül bármely kettő vagy több keverékét tartalmaz, ahol a keverékben a legalább egy fém a zeoíitos molekuíaszlta komponenssel, a nem-zeoíitos molekuíaszlta komponenssel vagy a zeoíitos molekuíaszlta komponens és a nem-zeoiítos molekuíaszlta komponensek közül egyikkel vagy mindkettővel képcsőié-dík. 8» A 7, Igénypont szerinti faláramö szűrő, ahol a keverékben jelenlévő, a zeoíitos moie~ kulaszitával, nem-zeolltcss molekulaszltávai vagy mindkét moíekuíaszitévaí kapcsolódó fésw vagy legalább agy fém mindegyike egy vagy több, átmenti fém,. íantanlda vagy azok közül bármely kettő vagy főbb keveréke kőzCIl választott fémet tartalmas:» t» A 6< Igénypont szerinti Mámmá szűrő, ahol az átmeneti fém egy ÎB csoportba tartósé fém, agy B/B csoportba tartósé fém, egy VB csoportba tortotó fim, egy V1IB csoportba tartósé fém és agy VII!8 csoportba tartotó fém késéi választott» 1Ö* A 0» vagy S\. Igénypont szerinti faláramú szűrő, ahol as átmeneti fém Fa,, Cu, Ce, Hf, ka, No, Ft, Au, Ag, In, Rh, V, ír, Ru, és Os közti választott, Π , Az előző Igénypontok bármelyike szerinti faláramú szűré, mely szűrő lényegében 10-ÖS tömeg% kordieritet, nltrltíeket, karbidokat, boddokat, infcermetallíkus fázisokat, llflom-alumlnium-szilikátot, egy spinelít, agy adott esetben adalékolt alpmlnlom-oxldos, titándioxldot, eirköniumdioxidot, títándioxíd-cirkóniumdioxldot, clrkont, Is ezek közéi bármely ketté vagy több keverékét; Ő-3Ő témegAI sxliídumőiöxld forrást; 50-90 tömegét, i- 20 tomeg%, Cu, Fe és Ce közül választott agy vágy tébb fémet tar' telmazo nem-zeolltos »molekulaszitát; ás 0-20 tomeg% szervetlen szálakból éllé extrádéit szilárd tastet tartalmaz» 12» Az előző igénypontok bármelyike szerinti feláramé szűrő, ahol a legalább egy kötő' anyag/roátnx komponens kordinét, nltridek, karbidok, boridok, iniermefafiíkus fázisok, litlum-alumlnlum-szílikét, agy Spinell, agy adott esetben adalékolt aiumínkim-oxid, egy SZlIlolpmdioxId forrás, tifándioxid, clrkóniumdioxid, lltándioxid-cirkőniumdioxid, cirkon, és ezek kézéi bármely kettő vagy több keverék® kézül választott. 13» Eljárás az előző igénypontok bármelyike szerinti faiáramú szűrő előállítására, melynek során: legalább egy mátrix komponens vagy egy vagy több prekurxorfa; zeolites molekuiaszita, nem-zeolltos molakuiaszlta vagy zeolltos és nem~zeolítos moiekuiasxiták keveréke,· mely zeolites molákulaszita, nem-zeolltös molekulaszltá vagy a zeolltos és hem-zeolifos mole-kulaszlták keveréke »adott esetben legalább egy fémmel kapcsolódik; adott esetben egy adott esetben stabilizált cériumoxki; és legalább egy fémvegyület poralakú kiindulási anyagok összekeverésével, adott esetben szervetlen szálakkal; és adott esetben egy szerves segédanyag hozzáadásával szilárd extradait testet alakítunk ki; adott esetben legalább egy fém fámsőját tartalmazó savas vagy bázlkus vizes oldatban keveréssel és/vagy eldőrzsöléssej képlékeny összetétellé féldolgozva kesmrékei hozunk létre; a keveréket katalizátor testté axtmdáijuk, a katalizátor testet száriipk és kalcmátjuk egy szilárd extmdélt test előállítására; a kiindulási anyagok mennyiségét égy választjuk meg, hogy a szilárd extrásáéit test !0-9S tőmeg% legalább egy mátrix komponenst, S-9Ö tőmeg% zsoíitos molekulaszitat, nam~zeolitos rboiekufaszifát vagy etek közül bármely kettő vagy több keverékét; és ó-óé tÖmeg% adott esetben stabilizált cériumoxidot, és legalább egy fémet vagy famvagyüle* tét tartalmazzon, és a szilárd extrádéit test felületet legelőbb egy fémmel imptegoátjúk, és/Vagy a szilárd extrudált test felületét legalább egy, legalább egy fémet fartálmazé réteggel vonjuk be.
  4. 14. Eljárás rögzített helyzetű vagy járművekben levő belső égésű motorok kipufogógáz klbocsájfásának kezelésére, melynek során a nitrogéntartalmú reduká lőszerrel kevert kipufogógázt az :1-12. igénypontök bármelyike szerinti faláramú szűrövei érfntkeztetJOk.
  5. 15, Kipufogórendszer belső égésű motorhoz, mely kipufogd rendszer egy 1-12. Igénypontok bármelyike szerinti faláramú szűrőt, egy nitrogéntartalmú redukál őszért, és a nitrogéntartalmú redukálászed a kipufogógáz áramba a faiáramú szűrőhöz képest áramlás» irányban felfelé betápláló eszközt tartalmaz. 1$, Jármű, mely egy belsőégésű motort és egy iS. igénypont szerinti kipufogó rendszert tartalmaz.
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