KR920701113A - 테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법 - Google Patents

테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법

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Publication number
KR920701113A
KR920701113A KR1019910701771A KR910701771A KR920701113A KR 920701113 A KR920701113 A KR 920701113A KR 1019910701771 A KR1019910701771 A KR 1019910701771A KR 910701771 A KR910701771 A KR 910701771A KR 920701113 A KR920701113 A KR 920701113A
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KR
South Korea
Prior art keywords
water
mother liquor
temperature
aqueous mixture
organic solvent
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Application number
KR1019910701771A
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English (en)
Other versions
KR0152534B1 (ko
Inventor
레리 웨인 브로더
제임스 커티스 메드린
아트 텔러 쥬니어 스파우지
Original Assignee
존 디. 휴써
이스트만 코닥 컴퍼니
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Publication of KR920701113A publication Critical patent/KR920701113A/ko
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Publication of KR0152534B1 publication Critical patent/KR0152534B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/128—Halogens; Compounds thereof with iron group metals or platinum group metals
    • 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
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/28—Regeneration or reactivation
    • B01J27/32—Regeneration or reactivation of catalysts comprising compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

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

Abstract

내용 없음

Description

테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 테레프탈산 합성에서 생성된 모액으로부터 중금속 촉매를 회수하고 불순물을 제거하는데 이용하기 위한 장치 및 공정의 흐름도이다.

Claims (16)

  1. (a) 모액안에 들어있는 물과 아세트산의 50-95%를 증발시켜 모액을 농축시키고, (b) 금속 촉매를 용해시키기에 충분한 량 만큼의 물을 농축된 모액에 부가하여 수성 혼합물을 만들고, (c) 물에 거의 녹지않는 유기 용매를 사용하여 향류식 추출법으로 수성 혼합물을 추출하여 유기 용매, 소량의 물, 아세트산 및 유기 불순물이 함유된 가벼운 상과 대부분의 물, 부식금속 및 금속촉매가 함유된 무거운 상으로 만든 뒤, (d) 무거운 상을 가열 및 여과하여 부식 금속을 제거하고 (e) 가벼운 상을 중류시켜 유기 불순물을 제거하는; 단계로 구성된, 아세트산, 물, 금속촉매 및 유기 불순물이 들어있는 테레프탈산 산화합성 모액으로부터 불순물들을 제거하기 위한 방법.
  2. 제1항에 있어서, 아세트산과 물의 80-90%가 단계(a)에서 제거되는 방법.
  3. 제1항에 있어서, 단계(b)에서 농축된 모액 1부당 0.5-1.0부의 물이 부가되는 방법.
  4. 제3항에 있어서, 단계(b)에서 농축된 모액 1부당 1부의 물이 부가되는 방법.
  5. 제1항에 있어서, 단계(a) 이전에 모액을 여과하여 이소프탈산을 제거하는 것을 더 구성되는 방법.
  6. 제5항에 있어서, 20-70℃의 온도에서 여과하는 방법.
  7. 제1항에 있어서, 유기용매가 C1-6알킬 아세테이트류로 구성된 그룹으로부터 선택되는 방법.
  8. 제1항에 있어서, 추출 단계 이전에 수성 혼합물을 0.5-4시간동안 60-95℃ 온도로 가열하여 존재하던 유기 브롬화물을 무기 브롬화물로 전환시키는 것으로 더 구성되는 방법.
  9. 제8항에 있어서, 수성 혼합물을 1-2시간동안 80-90℃온도로 가열하는 것으로 더 구성되는 방법.
  10. 제1항에 있어서, 단계(c)가 30-70℃의 온도에서 실행되는 방법.
  11. 제10항에 있어서, 단계(e)가 40-60℃의 온도에서 실행되는 방법.
  12. 제1항에 있어서, 단게(d)에서 15분-1시간 동안 70-100℃온도 범위에서 가열 및 여과하는 방법.
  13. 제12항에 있어서, 단계(d)에서 30분간 95-100℃온도에서 가열 및 여과하는 방법.
  14. 제1항에 있어서, 단계(c)에서 수성 혼합물 1부당 1-4부의 유기 용매를 사용하는 방법.
  15. 제7항에 있어서, 유기 용매가 이소프로필 아세테이트 또는 n-프로필 아세테이트인 방법.
  16. 제1항에 있어서, 금속 촉매가 코발트 촉매인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910701771A 1989-06-05 1990-05-30 테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법 KR0152534B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89-361,176 1989-06-05
US89-361176 1989-06-05
US07/361,176 US4939297A (en) 1989-06-05 1989-06-05 Extraction process for removal of impurities from terephthalic acid filtrate

Publications (2)

Publication Number Publication Date
KR920701113A true KR920701113A (ko) 1992-08-11
KR0152534B1 KR0152534B1 (ko) 1998-10-15

Family

ID=23420963

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701771A KR0152534B1 (ko) 1989-06-05 1990-05-30 테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법

Country Status (9)

Country Link
US (1) US4939297A (ko)
EP (1) EP0476009B1 (ko)
JP (1) JP2886685B2 (ko)
KR (1) KR0152534B1 (ko)
CA (1) CA2042409C (ko)
DE (1) DE69010904T2 (ko)
DK (1) DK0476009T3 (ko)
ES (1) ES2056469T3 (ko)
WO (1) WO1990015046A1 (ko)

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JP2886685B2 (ja) 1999-04-26
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KR0152534B1 (ko) 1998-10-15
DE69010904T2 (de) 1995-03-16
EP0476009A1 (en) 1992-03-25
WO1990015046A1 (en) 1990-12-13
CA2042409A1 (en) 1990-12-06
CA2042409C (en) 1996-10-08
ES2056469T3 (es) 1994-10-01
US4939297A (en) 1990-07-03
EP0476009B1 (en) 1994-07-20

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