KR920000374A - 내열성 전이 알루미나 및 이의 생산방법 - Google Patents

내열성 전이 알루미나 및 이의 생산방법 Download PDF

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KR920000374A
KR920000374A KR1019910011004A KR910011004A KR920000374A KR 920000374 A KR920000374 A KR 920000374A KR 1019910011004 A KR1019910011004 A KR 1019910011004A KR 910011004 A KR910011004 A KR 910011004A KR 920000374 A KR920000374 A KR 920000374A
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alumina
lanthanum
mixture
aluminum sulfate
heat resistant
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세이이찌 하마노
오사무 야마니시
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모리 히데오
스미또모가가꾸고오교
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    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
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    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
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    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
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    • C01F17/32—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO
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    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
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    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
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    • C—CHEMISTRY; METALLURGY
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Abstract

내용 없음

Description

내열성 전이 알루미나 및 이의 생산방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (19)

  1. 황산알루미늄과 란타늄 화합물을 혼합하고, 그 혼합물을 가열한 다음 열분해시켜 생산된 내열성 전이 알루미나.
  2. 제1항에 있어서, 공극률이 약0.6cc/g 내지 약 2.0cc/g인 내열성 전이 알루미나.
  3. 제1항에 있어서, 열분해 후 전이 알루미나가 란타늄 성분(란타늄 원소로 측정)을 알루미나 100중량부 당 1 내지 12중량부 함유하고, 1200℃에서 3시간 동안 열처리 후 BET 비표면적으로써 측정된 내열성이 약 50㎡/g이상인 내열성 전이 알루미나.
  4. 제1항에 있어서, 열분해 후 전이 알루미나가 란타늄 성분(란타늄 원소로 측정)을 알루미나 100중량부 당 10내지 30중량부 함유하고, 1300℃에서 3시간 동안 열처리 후 BET 비표면적으로써 측정된 내열성이 약20㎡/g이상인 내열성 전이 알루미나.
  5. 제3항에 있어서, 1200℃에서 3시간 동안 열처리 후 BET 비표면적으로써 측정된 내열성이 약60㎡/g이상인 내열성 전이 알루미나.
  6. 제3항에 있어서, 1200℃에서 3시간 동안 열처리 후 BET 비표면적으로써 측정된 내열성이 약 80㎡/g이상인 내열성 전이 알루미나.
  7. 황산알루미늄과 란타늄 화합물을 혼합하고, 그 혼합물을 가열한 다음 열분해시킴을 특징으로 하는 내열성 전이 알루미나의 생산 방법.
  8. 제7항에 있어서, 가열시에 황산알루미늄과 란타늄 화합물의 혼합물이 황산알루미늄의 수화시 물로써 측정된 6수화염 보다 높은 수화도에 상응하는 양의 물을 함유하는 것을 특징으로 하는 내열성 전이 알루미나의 생산방법.
  9. 제7항에 있어서, 황산알루미늄과 알루미나 100중량부 당 란타늄 1내지 12중량부를 포함하는 란타늄 화합물의 혼합물을 가열하고 열분해시켜 1200℃에서 3시간 동안 열처리 후 BET 표면적이 약 50㎡/g이상인 전이 알루미나를 생산하는 방법.
  10. 제7항 또는 제9항에 있어서, 가열시에 혼합물이 황산알루미늄의 수화시 물로써 측정된 6이상, 20미만의 수호염에 상응하는 양의 물을 함유하는 내열성 전이 알루미나를 생산하는 방법.
  11. 제7항 또는 제9항에 있어서, 황산알루미늄의 수화시 물로써 측정된 20이상의 수화염에 상응하는 양으로 물을 함유하고, 알루미나 100 중량부 당1 내지 12중량부의 란타늄을 포함하는 란타늄 화합물과 황산알루미늄의 혼합 용액, 또는 황산알루미늄과 란타늄 화합물의 혼합물을 가열하고 열분해시켜 1200℃에서 3시간 동안 열처리후 BET 비표면적이 약 60㎡/g이상인 내열성 전이 알루미나를 생산하는 방법.
  12. 제7항에 있어서, 황산알루미늄의 수화시 물로써 측정된 20 이상의 수화염에 상응하는 양으로 물을 함유하고, 알루미나 100 중량부 당 10 내지 30중량부의 란타늄을 포함하는 란타늄 화합물과 황산알루미늄의 혼합 용액, 또는 황산알루미늄과 란타늄 화합물을 가열하고 열분해시켜 1300℃에서 3시간 동안 열처리 후 BET 비표면적이 약 20㎡/g이상인 내열성 전이 알루미나를 생산하는 방법.
  13. 제7항에 있어서, 황산알루미늄의 수화시 물로써 측정된 20 이상의 수화염에 상응하는 양으로 물을 함유하고, 알루미나 100줄량부 당 1내지 10중량부의 란타늄을 포함하는 란타늄 화합물과 황산알루미늄의 혼합 용액, 또는 황산알루미늄과 란타늄 화합물의 혼합물을 가열하고 열분해시켜 1200℃에서 3시간 동안 열처리후 BET 비표면적이 약 80㎡/g이상인 내열성 전이 알루미나를 생산하는 방법.
  14. 제7항 또는 제9항에 있어서, 열분해 하기전에 가열한 혼합물을 분쇄하여 내열성 전이 알루미나를 생산하는 방법.
  15. 제7항 또는 제9항에 있어서, 가열 후 열분해 시킨 혼합물이 황산 알루미늄의 수화시 물로써 측정된 6이하의 수화염에 상응하는 양의 물을 함유하는 혼합물인 내열성 전이 알루미나를 생산하는 방법.
  16. 제7항 또는 제9항에 있어서, 약 800℃ 내지 약 1500℃하에서 0.1초 내지 100시간 동안 수행하여 내열성 전이 알루미나를 생산하는 방법.
  17. 제7항 또는 제9항에 있어서, 열분해를 약 900℃ 내지 약 1500℃하에서 0.5초 내지 50시간 동안 수행하여 내열성 전이 알루미나를 생산하는 방법.
  18. 제7항 또는 제9항에 있어서, 열분해를 약 900℃ 내지 약 1500℃하에서 10분 내지 50시간 동안 수행하여 내열성 전이 알루미나를 생산하는 방법.
  19. 제7항 또는 제9항에 있어서, 란타늄 화합물이 산화란타늄, 아세트산란타늄, 질산란타늄 및 황산란타늄 중의 적어도 하나인 내열성 전이 알루미나를 생산하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910011004A 1990-06-29 1991-06-29 내열성 전이 알루미나 및 이의 생산 방법 KR0180233B1 (ko)

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JP90-173131 1990-06-29
JP17313190 1990-06-29
JP26266790 1990-09-28
JP90-262667 1990-09-28

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KR920000374A true KR920000374A (ko) 1992-01-29
KR0180233B1 KR0180233B1 (ko) 1999-03-20

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US (1) US5155085A (ko)
EP (1) EP0464627B2 (ko)
KR (1) KR0180233B1 (ko)
CA (1) CA2046007A1 (ko)
DE (1) DE69112514T3 (ko)

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JPS62180751A (ja) * 1986-02-03 1987-08-08 Toyota Central Res & Dev Lab Inc 耐熱性アルミナ担体
FR2596379B1 (fr) * 1986-03-25 1988-07-08 Louyot Comptoir Lyon Alemand Procede de stabilisation d'alumine a grande surface specifique a haute temperature et produits nouveaux obtenus
US4868150A (en) * 1987-12-22 1989-09-19 Rhone-Poulenc Inc. Catalyst support material containing lanthanides

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EP0464627B1 (en) 1995-08-30
DE69112514T2 (de) 1996-02-29
EP0464627B2 (en) 1999-03-24
DE69112514T3 (de) 1999-10-21
CA2046007A1 (en) 1991-12-30
US5155085A (en) 1992-10-13
EP0464627A1 (en) 1992-01-08
DE69112514D1 (de) 1995-10-05
KR0180233B1 (ko) 1999-03-20

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