KR101017490B1 - 8-고리 기공 입구 구조를 갖는 분자체 또는 제올라이트를 포함하는 신규한 미세다공성 결정상 물질, 이를 제조하는 방법, 및 이를 이용하는 방법 - Google Patents
8-고리 기공 입구 구조를 갖는 분자체 또는 제올라이트를 포함하는 신규한 미세다공성 결정상 물질, 이를 제조하는 방법, 및 이를 이용하는 방법 Download PDFInfo
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- KR101017490B1 KR101017490B1 KR1020097022216A KR20097022216A KR101017490B1 KR 101017490 B1 KR101017490 B1 KR 101017490B1 KR 1020097022216 A KR1020097022216 A KR 1020097022216A KR 20097022216 A KR20097022216 A KR 20097022216A KR 101017490 B1 KR101017490 B1 KR 101017490B1
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- 239000002178 crystalline material Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 31
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 22
- 239000010457 zeolite Substances 0.000 title abstract description 45
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title abstract description 35
- 239000011148 porous material Substances 0.000 title abstract description 23
- 229910021536 Zeolite Inorganic materials 0.000 title description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 50
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 38
- 239000010949 copper Substances 0.000 claims description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 25
- 229910021529 ammonia Inorganic materials 0.000 claims description 19
- 239000013078 crystal Substances 0.000 claims description 14
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 230000032683 aging Effects 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 238000005341 cation exchange Methods 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 8
- 239000004202 carbamide Substances 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 150000001768 cations Chemical class 0.000 claims description 6
- 238000005342 ion exchange Methods 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 claims description 5
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 description 34
- 239000007789 gas Substances 0.000 description 28
- 239000003054 catalyst Substances 0.000 description 21
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 10
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- 238000006722 reduction reaction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012229 microporous material Substances 0.000 description 5
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
- 239000005751 Copper oxide Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910000431 copper oxide Inorganic materials 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- GHOKWGTUZJEAQD-ZETCQYMHSA-N (D)-(+)-Pantothenic acid Chemical compound OCC(C)(C)[C@@H](O)C(=O)NCCC(O)=O GHOKWGTUZJEAQD-ZETCQYMHSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 229910052676 chabazite Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000010757 Reduction Activity Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003623 enhancer Substances 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910017090 AlO 2 Inorganic materials 0.000 description 1
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000012297 crystallization seed Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 description 1
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/54—Phosphates, e.g. APO or SAPO compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/82—Phosphates
- B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
- B01J29/85—Silicoaluminophosphates [SAPO compounds]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
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- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Description
Claims (30)
- 0.3 마이크론 보다 큰 결정 크기를 갖는 SAPO-34를 포함하는 수열적으로 안정한 미세다공성 결정상 물질로서, 상기 결정상 물질은 10 부피% 이하의 수증기 존재하, 700℃ 내지 900℃의 온도에서 16 시간 동안 노출된 후에 이의 표면적 및 미세기공 부피의 80% 이상을 유지하고 0.35 mmol/g 이상의 산도를 갖는 미세다공성 결정상 물질.
- 제 1항에 있어서, 상기 결정상 물질이 철 또는 구리를 포함하는 미세다공성 결정상 물질.
- 제 2항에 있어서, 상기 철 또는 구리가 상기 고체(solid)에 액체상 또는 고체 이온-교환에 의해 도입되거나 직접-합성에 의해 도입되는 미세다공성 결정상 물질.
- 제 1항에 있어서, 상기 SAPO-34가 SiO2를 1% 내지 20%의 양으로 함유하는 미세다공성 결정상 물질.
- 제 1항에 있어서, 상기 SAPO-34가 0.3 마이크론 내지 5.0 마이크론 범위의 결정 크기를 갖는 미세다공성 결정상 물질.
- 제 1항에 있어서, 650 ㎡/g 이상의 초기 표면적을 갖는 미세다공성 결정상 물질.
- 제 1항에 있어서, 0.25 cc/g 이상의 초기 미세기공 부피를 갖는 미세다공성 결정상 물질.
- 우레아 또는 암모니아로 NOx를 SCR(selective catalytic reduction)하기 위한 수열적으로 안정한 미세다공성 결정상 물질로서, 상기 결정상 물질은 10 부피% 이하의 수증기 존재하, 900℃ 이하의 온도에서 1 시간 이하 동안 노출된 후에 이의 표면적 및 미세기공 부피의 80% 이상을 유지하는 0.3 마이크론 보다 큰 결정 크기를 갖는 철 또는 구리 함유 SAPO-34를 포함하는 미세다공성 결정상 물질.
- 제 8항에 있어서, 철 또는 구리가 상기 물질에 액체상 또는 고체 이온-교환에 의해 도입되거나 직접-합성에 의해 도입되는 미세다공성 결정상 물질.
- 제 8항에 있어서, 상기 철이 상기 물질 전체 중량의 0.20 중량% 이상으로 포함되는 미세다공성 결정상 물질.
- 제 8항에 있어서, 상기 구리가 상기 물질 전체 중량의 1.0 중량% 이상으로 포함되는 미세다공성 결정상 물질.
- 제 8항에 있어서, 상기 SAPO-34가 1% 내지 20%의 SiO2를 함유하는 미세다공성 결정상 물질.
- 알루미나, 실리카 및 포스페이트의 공급원을 TEAOH 용액 및 물과 혼합하여 겔을 형성시키고;상기 겔을 오토클래이브(autoclave)에서 150 내지 180℃의 온도로 가열하여 생성물을 형성시키고;수중에서 상기 생성물을 냉각시키고 임의적으로 세척하고;상기 생성물을 하소(calcining)시켜 0.3 마이크론 보다 큰 결정 크기를 가지고 1% 내지 20% SiO2를 함유하는 SAPO-34를 포함하는 분자체를 형성시키는 것을 포함하여, SAPO-34를 포함하는 실리코알루미노포스페이트 분자체를 제조하는 방법으로서,상기 분자체는 10 부피% 이하의 수증기 존재하, 700℃ 내지 900℃의 온도에서 16 시간 동안 노출된 후에, 이의 표면적 및 미세기공 부피의 80% 이상을 유지하고 0.35 mmol/g 이상의 산도를 갖는, SAPO-34를 포함하는 실리코알루미노포스페이트 분자체를 제조하는 방법.
- 제 13항에 있어서, 상기 알루미나의 공급원이 슈도보에마이트 알루미나인 방법.
- 제 13항에 있어서, 상기 실리카의 공급원이 실리카졸인 방법.
- 제 13항에 있어서, 상기 포스페이트의 공급원이 인산인 방법.
- 재 13항에 있어서, 양이온교환 단계를 추가로 포함하는 방법.
- 제 17항에 있어서, 상기 양이온이 철 및 구리로부터 선택되는 방법.
- 제 13항에 있어서, 상기 겔이 오토클래이브에서 180℃의 온도로 가열되는 방법.
- 제 1항에 있어서, 상기 노출이 900℃의 온도를 포함하는 미세다공성 결정상 물질.
- 제 1항에 있어서, 상기 결정상 물질이 노출 후에 0.4 mmol/g 이상의 산도 수치를 갖는 미세다공성 결정상 물질.
- 제 21항에 있어서, 상기 결정상 물질이 노출 후에 0.4 내지 1.00 mmol/g 범위의 산도 수치를 갖는 미세다공성 결정상 물질.
- 제 1항에 있어서, 상기 SAPO-34가 0.3 마이크론 내지 5.0 마이크론 범위의 결정 크기를 갖는 미세다공성 결정상 물질.
- 0.3 마이크론 보다 큰 결정 크기 및 0.35 mmol/g 이상의 산도를 가지고, 10 부피% 이하의 수증기 존재하, 700℃ 내지 900℃의 온도에서 1 시간 내지 16 시간 동안의 노출을 포함한 수열 에이징(hydrothermal aging) 후에 이의 표면적 및 미세기공 부피의 80% 이상을 유지하는 SAPO-34를 포함하는 수열적으로 안정한 미세다공성 결정상 물질.
- 제 24항에 있어서, 상기 SAPO-34가 SiO2를 1% 내지 20% 범위의 양으로 함유하는 미세다공성 결정상 물질.
- 제 24항에 있어서, 650 ㎡/g 이상의 초기 표면적을 갖는 미세다공성 결정상 물질.
- 제 24항에 있어서, 0.25 cc/g 이상의 초기 미세기공 부피를 갖는 미세다공성 결정상 물질.
- 제 8항에 있어서, 상기 SAPO-34가 0.3 마이크론 내지 5.0 마이크론 범위의 결정 크기를 갖는 수열적으로 안정한 미세다공성 결정상 물질.
- 제 2항에 있어서, 상기 구리가 상기 물질 전체 중량의 2.0 중량%로 포함되는 미세다공성 결정상 물질.
- 제 8항에 있어서, 상기 구리가 상기 물질 전체 중량의 2.0 중량%로 포함되는 미세다공성 결정상 물질.
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RU2009139228A (ru) | 2011-05-10 |
CN101674885A (zh) | 2010-03-17 |
CN102319584A (zh) | 2012-01-18 |
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JP2010522688A (ja) | 2010-07-08 |
MX2009010369A (es) | 2010-02-17 |
US20080241060A1 (en) | 2008-10-02 |
EP2246111A3 (en) | 2011-09-07 |
JP5762816B2 (ja) | 2015-08-12 |
EP2517790A3 (en) | 2013-08-21 |
US7883678B2 (en) | 2011-02-08 |
US7645718B2 (en) | 2010-01-12 |
CA2681135C (en) | 2012-05-22 |
US20100092361A1 (en) | 2010-04-15 |
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