KR970001303A - 기상 수소첨가반응에 의한 방향족 아민의 제조 방법 및 그에 유용한 촉매 - Google Patents

기상 수소첨가반응에 의한 방향족 아민의 제조 방법 및 그에 유용한 촉매 Download PDF

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KR970001303A
KR970001303A KR1019960021210A KR19960021210A KR970001303A KR 970001303 A KR970001303 A KR 970001303A KR 1019960021210 A KR1019960021210 A KR 1019960021210A KR 19960021210 A KR19960021210 A KR 19960021210A KR 970001303 A KR970001303 A KR 970001303A
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catalyst
hydrogen
palladium
weight
graphite
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KR1019960021210A
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KR100413574B1 (ko
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랑거 라인하르트
부이쉬 한스-조제프
펜틀링 우르줄라
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크누트 샤우에르테·귄터 슈마허
바이엘 악티엔게젤샤프트
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a 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
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
    • B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
    • B01J23/628—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with lead

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

본 발명은 니트로방향족 화합물을 기상 촉매 수소첨가반응시켜 방향족 아민을 제조하는 방법에 관한 것이다. 촉매는 그라파이트 도는 그라파이트 함유 코우크스 담체 상의 팔라듐 및 납이다. 이 방법 동안에 니트로기 1당량 당 30 내지 6000당량의 수소를 촉매와 접촉시킨다.

Description

기상 수소첨가반응에 의한 방향족 아민의 제조 방법 및 그에 유용한 촉매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 하기 일반식(Ⅱ)의 니트로방향족 화합물을 고정된 촉매 상에서, 니트로기 1당량 당 약 30 내지 6000당량의 수소가 촉매와 접촉되는 양으로 수소로 기상 수소 첨가반응시키는 것을 포함하고, 이 때 상기 고정된 촉매가 0.2 내지 10m/g의 DET 비표면적을 갖는 그라파이트 또는 그라파이트 함유 코우크스 담체 상에 상기 촉매의 총량을 기준으로 하여 0.001 내지 7중량%의 팔라듐 및 상기 팔라듐의 중량을 기준으로 하여 0.1 내지 50중량%의 납으로 구성되는 하기 일반식(Ⅰ)의 방향족 아민의 제조 방법.
    (Ⅱ)
    (상기 식 중, R2및 R3은 독립적으로 각각 수소, 메틸기 또는 에틸기를 나타내고, R3는 또한 니트로기를 나타낼 수도 있다)
    (I)
    (상기 식 중, R1및 R2는 독립적으로 각각 수소, 메틸기 또는 에틸기를 나타내고 R1은 또한 아미노기를 나타낼 수도 있다.)
  2. 재1항에 있어서, 상기 수소첨가반응을 약 1 내지 약 30바아의 운전 압력에서 수행하는 방법.
  3. 제1항에 있어서, 상기 니트로방향족 화합물 및 수소를 함유하는 출발 물질 가스 혼합물이 촉매와 접촉하기 전에 200 내지 400℃의 온도를 갖고, 최대 촉매 온도가 600℃인 방법.
  4. 제1항에 있어서, 촉매 부하량을 1시간 촉매 1리터 당 0.05 내지 20kg의 니트로방향족 화합물로 설정한 방법.
  5. 제1항에 있어서, 반응열의 제거를 위한 시스템이 없는 반응기를 사용하는 방법.
  6. 제1항에 있어서, 상기 니트로방향족 화합물이 니트로벤젠 또는 니트로톨루엔인 방법.
  7. 촉매의 총량을 기준으로 하여 0.001 내지 7중량%의 팔라듐 및 상기 팔라듐의 중량을 기준으로 하여 0.1 내지 50중량%의 납으로 합침시킨, 0.2 내지 10m2/g의 BET 비표면적을 갖는 그라파이트 또는 그라파이트 함유 코우크스 상에서 니트로방향족 화합물을 수소첨가반응시키기에 적합한 촉매.
  8. 제7항에 있어서, 팔라듐 함유 용액이 1 내지 50회의 함침 단계로 단계상에 침착되고, 각 침착 단계 사이에 촉매 담체를 고온 기류로 건조시킴으로써 담체가 팔라듐으로 함침되는 촉매.
  9. 제7항에 있어서, 촉매를 250 내지 450℃의 온도 및 1 내지 10바아의 수소 스트림 중에서 활성화시킨 촉매.
KR1019960021210A 1995-06-14 1996-06-13 기상수소첨가반응에의한방향족아민의제조방법및그에유용한촉매 KR100413574B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19521587.7 1995-06-14
DE19521587A DE19521587A1 (de) 1995-06-14 1995-06-14 Verfahren und Katalysator zur Herstellung von aromatischen Aminen durch Gasphasenhydrierung

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KR970001303A true KR970001303A (ko) 1997-01-24
KR100413574B1 KR100413574B1 (ko) 2004-04-01

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US (2) US5679858A (ko)
EP (1) EP0748790B1 (ko)
JP (1) JPH093012A (ko)
KR (1) KR100413574B1 (ko)
CN (1) CN1119318C (ko)
BR (1) BR9602789A (ko)
CA (1) CA2178701A1 (ko)
CZ (1) CZ287873B6 (ko)
DE (2) DE19521587A1 (ko)
ES (1) ES2139277T3 (ko)
PL (1) PL183111B1 (ko)
SI (1) SI0748790T1 (ko)
TW (1) TW418182B (ko)

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US20240317673A1 (en) 2021-06-30 2024-09-26 Basf Se Process for producing aniline

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CZ287873B6 (en) 2001-02-14
JPH093012A (ja) 1997-01-07
US5962365A (en) 1999-10-05
BR9602789A (pt) 1998-09-08
ES2139277T3 (es) 2000-02-01
CN1143073A (zh) 1997-02-19
PL314749A1 (en) 1996-12-23
EP0748790B1 (de) 1999-10-20
US5679858A (en) 1997-10-21
KR100413574B1 (ko) 2004-04-01
EP0748790A2 (de) 1996-12-18
CZ174096A3 (en) 1997-01-15
EP0748790A3 (de) 1998-04-08
DE19521587A1 (de) 1996-12-19
CN1119318C (zh) 2003-08-27
CA2178701A1 (en) 1996-12-15
SI0748790T1 (en) 1999-12-31
TW418182B (en) 2001-01-11
PL183111B1 (pl) 2002-05-31
DE59603397D1 (de) 1999-11-25

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