KR101394287B1 - 촉매에 망상형 매크로 기공을 만들어 촉매성능을 증진시키는 방법 - Google Patents
촉매에 망상형 매크로 기공을 만들어 촉매성능을 증진시키는 방법 Download PDFInfo
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- KR101394287B1 KR101394287B1 KR1020110133688A KR20110133688A KR101394287B1 KR 101394287 B1 KR101394287 B1 KR 101394287B1 KR 1020110133688 A KR1020110133688 A KR 1020110133688A KR 20110133688 A KR20110133688 A KR 20110133688A KR 101394287 B1 KR101394287 B1 KR 101394287B1
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- 239000011148 porous material Substances 0.000 title claims description 58
- 230000003197 catalytic effect Effects 0.000 title abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 38
- 239000011230 binding agent Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000010304 firing Methods 0.000 claims abstract description 11
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- 238000000465 moulding Methods 0.000 claims description 7
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- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
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- 235000011684 Sorghum saccharatum Nutrition 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
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- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
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- 229920001223 polyethylene glycol Polymers 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
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Abstract
본 발명에 따른 제조 방법에 의해 제조된 촉매는 마이크로 기공은 유지하면서, 촉매 내부에 매크로 기공이 적절히 생성되어 있다. 이로 인해, 촉매의 고유 활성을 높게 유지함과 동시에, 반응물이 촉매 내부로 이동하는데 충분한 통로를 확보할 수 있으므로 촉매 활성을 극대화시킬 수 있다.
Description
전분 종류 | 입자크기(㎛) | 호화온도(℃) | |
범위 | 평균 | ||
옥수수 | 5-25 | 15 | 62-72 |
밀 | 2-35 | 20 | 52-63 |
쌀 | 3-8 | 5 | 61-78 |
수수 | 6-30 | 26 | 69-75 |
고구마 | 2-40 | 18 | 69-75 |
감자 | 15-100 | 33 | 59-68 |
도 2는 본 발명의 일례에 따른 촉매 제조 공정도이다.
도 3은 본 발명의 실시예 및 비교예에 의해 제조된 촉매의 SEM 사진이다.
도 4는 본 발명의 실시예 및 비교예에 의해 제조된 촉매의 기공 분포도를 분석한 결과를 나타낸 그래프이다.
도 5는 본 발명의 실시예 및 비교예에 의해 제조된 메탄 수증기 개질반응 성능 실험 결과를 나타낸 그래프이다.
Claims (11)
- 촉매 분말, 바인더 및 촉매 분말 100 중량부 대비 40 내지 50 중량부의 기공조절 물질의 혼합물을 성형 및 소성하는 단계를 포함하는
50 nm 이하의 마이크로 또는 메조 기공 및 1 내지 100 ㎛의 매크로 기공을 가지고, 상기 매크로 기공은 서로 관통해서 연결되는 망상형 기공 구조를 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 1 항에 있어서
촉매 분말은 침전법에 의해 제조된 것인 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 1 항에 있어서
촉매 분말의 평균입경은 1 내지 10 ㎛인 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 1 항에 있어서
바인더는 결합제, 가소제 및 용매를 포함하는 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 4 항에 있어서
결합제는 셀룰로오즈계 또는 폴리비닐알코올이며, 촉매 분말 100 중량부 대비 1 내지 10 중량부로 포함하는 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 4 항에 있어서,
가소제는 글리세린이며, 촉매 분말 100 중량부 대비 1 내지 10 중량부로 포함하는 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 1 항에 있어서
기공조절 물질은 전분인 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 7 항에 있어서
전분은 평균입경이 1 내지 100 ㎛인 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 제 1 항에 있어서,
소성은 500 내지 650℃에서 이루어지는 마이크로 및 매크로 기공을 가지는 메탄 수증기 개질용 촉매의 제조 방법.
- 50 nm 이하의 마이크로 또는 메조 기공 및 1 내지 100 ㎛의 매크로 기공을 가지고, 상기 매크로 기공은 서로 관통해서 연결되는 망상형 기공 구조를 가지는 메탄 수증기 개질용 촉매.
- 제 10 항에 있어서,
촉매의 총 기공체적은 0.5 내지 3.0 cm3/g인 메탄 수증기 개질용 촉매.
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WO2024096507A1 (ko) * | 2022-11-01 | 2024-05-10 | 한화솔루션 주식회사 | 메탄 개질용 촉매 및 이의 제조방법 |
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WO2023219408A1 (ko) * | 2022-05-12 | 2023-11-16 | 한화솔루션 주식회사 | 오르토-알킬화 반응 촉매, 오르토-알킬화 반응 압출 성형 촉매, 이를 사용한 오르토-알킬화 반응 생성물 제조 방법 |
KR20240158570A (ko) * | 2023-04-27 | 2024-11-05 | 한화솔루션 주식회사 | 오르토-알킬화 반응 압출 성형 촉매 및 이의 제조 방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5592686A (en) * | 1995-07-25 | 1997-01-07 | Third; Christine E. | Porous metal structures and processes for their production |
JP2006527065A (ja) * | 2003-06-13 | 2006-11-30 | ヤラ・インターナショナル・アーエスアー | 支持型酸化物触媒の製造方法 |
KR20070099771A (ko) * | 2006-04-05 | 2007-10-10 | 희성촉매 주식회사 | 촉매 매트릭스에서의 물질전달 개선방법 |
KR20110032624A (ko) * | 2009-09-23 | 2011-03-30 | 두산중공업 주식회사 | 용융탄산염 연료전지(mcfc)의 내부개질용 촉매의 압출 성형 방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US5592686A (en) * | 1995-07-25 | 1997-01-07 | Third; Christine E. | Porous metal structures and processes for their production |
JP2006527065A (ja) * | 2003-06-13 | 2006-11-30 | ヤラ・インターナショナル・アーエスアー | 支持型酸化物触媒の製造方法 |
KR20070099771A (ko) * | 2006-04-05 | 2007-10-10 | 희성촉매 주식회사 | 촉매 매트릭스에서의 물질전달 개선방법 |
KR20110032624A (ko) * | 2009-09-23 | 2011-03-30 | 두산중공업 주식회사 | 용융탄산염 연료전지(mcfc)의 내부개질용 촉매의 압출 성형 방법 |
Cited By (1)
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WO2024096507A1 (ko) * | 2022-11-01 | 2024-05-10 | 한화솔루션 주식회사 | 메탄 개질용 촉매 및 이의 제조방법 |
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