KR880013870A - 아크릴산의 제조방법 - Google Patents

아크릴산의 제조방법 Download PDF

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KR880013870A
KR880013870A KR1019880006275A KR880006275A KR880013870A KR 880013870 A KR880013870 A KR 880013870A KR 1019880006275 A KR1019880006275 A KR 1019880006275A KR 880006275 A KR880006275 A KR 880006275A KR 880013870 A KR880013870 A KR 880013870A
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acrylic acid
propylene
reaction
stage
producing acrylic
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KR1019880006275A
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KR920010470B1 (ko
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마사히로 다까다
마모루 다까무라
신이찌 우찌다
마사미쓰 사사끼
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나까지마 미쓰루
닛뽕쇼꾸바이가가꾸고오교 가부시끼가이샤
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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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
    • C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
    • C07C45/35—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds in propene or isobutene
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • 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
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음

Description

아크릴산의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

1∼5탄소원자를 함유하는 포화 지방족 탄화수소 5∼70부피%, 이산화탄소 3∼50부피% 및 전술한 지방속 탄화수소 및 이산화탄소를 총량 20∼80부피%로 함유하며, 또한 프로필렌 1몰당 0.5∼8몰의 증기를 함유하는 원료 기체를 제1단계 반응에 공급하며, 제1단계에서는 프로필렌을 산화하여 주로 아크롤레인을 제조하고 제2단계에서는 아크롤레인을 산화하여 주로 아크릴산을 제조함을 특징으로 하는 분자산소를 사용한 프로필렌의 2단계 촉매적 증기상 산화에 의한 아크릴산의 제조방법.
제1항에 있어서, 제1단계 반응에 공급된 전술한 기체중의 프로필렌 농도가 5∼20부피 %이고, 분자산의 농도는 프로필렌 1몰당 1.4∼4.0몰임을 특징으로 하는 아크릴산의 제조방법.
제1항에 있어서, 제1단계 반응에서 프로필렌의 전환율이 적어도 70%임을 특징으로 하는 아크릴산의 제조방법.
제1항에 있어서, 전술한 분자산소는 순도가 적어도 90% 부피%인 분자산소-함유 기체로서 공급됨을 특징으로 하는 아크릴산의 제조방법.
제1항에 있어서, 전술한 포화 지방족 탄화수소는 메탄, 에탄 및 프로판으로 구성된 군에서 선택되는 적어도 1종임을 특징하는 아크릴산의 제조방법.
제1항에 있어서, 제2단계 반응에 의해 산출된 혼합반응 기체로부터 아크릴산을 분리하여 수득된 배출 기체가 제1단계 반응을 원료 가스로 재생됨을 특징으로 하는 아크릴산의 제조방법.
제6항에 있어서, 제1단계 반응에 공급되는 증기는 제2단계 반응에 의해 산출되는 혼합반응 가스에서 아크릴산을 분리하여 수득된 배출 가스에 함유된 증기임을 특징으로 하는 아크릴산의 제조방법.
제1항에 있어서, 프로필렌에 대한 산소의 몰비가 1.4∼4.0임을 특징으로 하는 아크릴산의 제조방법.
제8항에 있어서, 증기의 양이 프로필렌의 1몰당 0,6∼5몰임을 특징으로 하는 아크릴산의 제조방법.
제8항에 있어서, 제1단계의 반응 온도가 250∼450℃이고 제2단계 반응 온도가 180℃350℃임을 특징으로 하는 아크릴산의 제조방법.
제1항에 있어서, 제1단게에서 반응은 몰리브덴, 비스무트 및 철을 함유하는 산화물 촉매의 존재하에 수행되고, 제2단계에서 반응은 몰리브덴 및 바나듐을 함유하는 산화물 촉매의 존재하에 수행됨을 특징으로 하는 아크릴산의 제조방법.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880006275A 1987-05-27 1988-05-27 아크릴산의 제조방법 KR920010470B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12795887 1987-05-27
JP127958/87 1987-05-27
JP62-127958 1987-05-27

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KR880013870A true KR880013870A (ko) 1988-12-22
KR920010470B1 KR920010470B1 (ko) 1992-11-28

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EP (1) EP0293224B1 (ko)
KR (1) KR920010470B1 (ko)
CN (1) CN1029843C (ko)
AU (1) AU606160B2 (ko)
DE (1) DE3874209T2 (ko)
ES (1) ES2034225T3 (ko)

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Publication number Publication date
DE3874209T2 (de) 1993-04-15
KR920010470B1 (ko) 1992-11-28
DE3874209D1 (de) 1992-10-08
AU606160B2 (en) 1991-01-31
EP0293224A1 (en) 1988-11-30
CN1029843C (zh) 1995-09-27
CN1030228A (zh) 1989-01-11
EP0293224B1 (en) 1992-09-02
AU1678388A (en) 1988-12-01
ES2034225T3 (es) 1993-04-01

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