WO1999059963A1 - Recovery of organics from process flare header - Google Patents

Recovery of organics from process flare header Download PDF

Info

Publication number
WO1999059963A1
WO1999059963A1 PCT/US1999/011030 US9911030W WO9959963A1 WO 1999059963 A1 WO1999059963 A1 WO 1999059963A1 US 9911030 W US9911030 W US 9911030W WO 9959963 A1 WO9959963 A1 WO 9959963A1
Authority
WO
WIPO (PCT)
Prior art keywords
hcn
recovery
flare header
organic
acrylonitrile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1999/011030
Other languages
English (en)
French (fr)
Inventor
Kenneth P. Keckler
Sanjay P. Godbole
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Corp North America Inc
Original Assignee
BP Corp North America Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BP Corp North America Inc filed Critical BP Corp North America Inc
Priority to ROA200001128A priority Critical patent/RO121966B1/ro
Priority to EP99924343A priority patent/EP1087936A1/en
Priority to CA002332502A priority patent/CA2332502A1/en
Priority to AU40866/99A priority patent/AU4086699A/en
Priority to JP2000549582A priority patent/JP2002515479A/ja
Priority to BRPI9910601-9A priority patent/BR9910601B1/pt
Publication of WO1999059963A1 publication Critical patent/WO1999059963A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification

Definitions

  • the present invention is directed to an improved process for the manufacture
  • the present invention is directed to
  • acrylonitrile/methacrylonitrile is manufactured by the ammoxidation of propylene or
  • An additional object of the present invention is the use of aqueous phase
  • Another object of the current invention is to provide a process for the
  • manufacture of acrylonitrile or methacrylonitrile comprising transporting a portion of
  • header contents are absorbed in the aqueous stream
  • An additional object of the present invention is the use of one or more
  • the process of the present invention comprises transporting the
  • process units are vented to a process flare header, which directs these materials to a
  • the current invention improves the past operation by adding an additional HCN
  • the recovery process is
  • the present invention allows for the more effective recovery of HCN.
  • absorber through a pipe located at the top of the absorber and may be directed to the
  • aqueous stream containing the desired product is then passed via a bottoms line from the bottom of
  • the product is recovered as a liquid from the top portion of
  • Non-condensable gases present at the top of the recovery column may also be
  • Vapor phase material is also
  • condensable material is removed from the HCN knock-out pot, and may be sent via
  • polymeric HCN forms on the trays and internals in the heads column above the column feed location.
  • the solid, polymeric HCN fouls distillation trays, over flow
  • polymeric HCN is well known, but not well understood or
  • gases such as nitrogen and light hydrocarbons, are vented to the process flare
  • one process unit affects the operation of ail process units that receive heat or material
  • Such processes include, but are not limited to, aqueous and
  • the ammoxidation reaction is performed in a fluid bed reactor
  • ammoxidation process is performed by contacting propylene or isobutylene in the presence of ammonia and
  • feed should range from 0.5:1 to 4:1 , preferably from 1:1 to 3:1.
  • ammonia to olefin in the feed in the reaction may vary from between 0.5:1 to 5:1.
  • the reaction is carried out at a temperature of between the ranges of about
  • the contact time is generally

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
PCT/US1999/011030 1998-05-20 1999-05-18 Recovery of organics from process flare header Ceased WO1999059963A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ROA200001128A RO121966B1 (ro) 1998-05-20 1999-05-18 Procedeu de recuperare a acidului cianhidric
EP99924343A EP1087936A1 (en) 1998-05-20 1999-05-18 Recovery of organics from process flare header
CA002332502A CA2332502A1 (en) 1998-05-20 1999-05-18 Recovery of hydrogen cyanide during the manufacture of acrylonitrile or methacrylonitrile
AU40866/99A AU4086699A (en) 1998-05-20 1999-05-18 Recovery of organics from process flare header
JP2000549582A JP2002515479A (ja) 1998-05-20 1999-05-18 プロセスフレアヘッダーからの有機物の回収
BRPI9910601-9A BR9910601B1 (pt) 1998-05-20 1999-05-18 processo de recuperação de cianeto de hidrogênio contido no material em vapor direcionado a um tubo de comunicação do queimador de gases para a produção de acrilonitrila ou metacrilonitrila.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/082,403 US5959134A (en) 1998-05-20 1998-05-20 Recovery of organics from process flare header
US09/082,403 1998-05-20

Publications (1)

Publication Number Publication Date
WO1999059963A1 true WO1999059963A1 (en) 1999-11-25

Family

ID=22170985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/011030 Ceased WO1999059963A1 (en) 1998-05-20 1999-05-18 Recovery of organics from process flare header

Country Status (15)

Country Link
US (1) US5959134A (https=)
EP (2) EP1961736A1 (https=)
JP (2) JP2002515479A (https=)
KR (1) KR100630642B1 (https=)
CN (1) CN100439327C (https=)
AU (1) AU4086699A (https=)
BG (1) BG65192B1 (https=)
BR (1) BR9910601B1 (https=)
CA (1) CA2332502A1 (https=)
MY (1) MY123322A (https=)
RO (1) RO121966B1 (https=)
RU (1) RU2258695C2 (https=)
TR (1) TR200003412T2 (https=)
TW (1) TW584575B (https=)
WO (1) WO1999059963A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6296739B1 (en) * 1999-01-08 2001-10-02 The Standard Oil Company Operation of heads column
CN103551009B (zh) * 2013-11-20 2015-10-28 天津渤海化工有限责任公司天津碱厂 一种火炬管线中有机物回收装置
CN106474877B (zh) * 2015-08-26 2024-06-11 中国石油化工股份有限公司 回收尾气并消除火炬气排放的系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1920761A1 (de) * 1969-04-24 1970-11-12 Bayer Ag Verfahren zur Trennung von Acrylnitril und Acetonitril
US3885928A (en) * 1973-06-18 1975-05-27 Standard Oil Co Ohio Acrylonitrile and methacrylonitrile recovery and purification system
EP0372972A1 (en) * 1988-12-08 1990-06-13 The Boc Group, Inc. Process for the production of nitriles and oxides
US5703268A (en) * 1996-04-08 1997-12-30 The Standard Oil Company Acrylonitrile recovery process

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT708871A (https=) 1962-11-28
US3642930A (en) 1968-12-30 1972-02-15 Standard Oil Co Ohio Process for the manufacture of isoprene from isoamylenes and methyl butanols and catalyst therefor
US4503001A (en) 1970-10-30 1985-03-05 Standard Oil Company (Indiana) Process for the manufacture of acrylonitrile and methacrylonitrile
US4863891A (en) 1971-02-04 1989-09-05 The Standard Oil Company Catalyst for the manufacture of acrylonitrile and methacrylonitrile
US4767878A (en) 1971-02-04 1988-08-30 The Standard Oil Company Process for the manufacture of acrylonitrile and methacrylonitrile
US4234510A (en) 1973-06-07 1980-11-18 Standard Oil Company Recovery of acrylonitrile or methacrylonitrile by condensation
US4148865A (en) * 1978-01-06 1979-04-10 The Lummus Company Treatment of cyanide byproduct in nitrile production
JPS57129822A (en) * 1981-02-05 1982-08-12 Asahi Chem Ind Co Ltd Recovering and purifying method for hydrocyanic acid
JPS5980650A (ja) * 1982-10-29 1984-05-10 Asahi Chem Ind Co Ltd メタクリロニトリルの精製方法
JPS60147288A (ja) * 1984-01-05 1985-08-03 Mitsubishi Chem Ind Ltd アンモオキシデ−シヨン工程廃水の処理方法
JPS60188357A (ja) * 1984-03-05 1985-09-25 モンサント　コンパニ− オレフイン系不飽和ニトリル類製造のためのアンモキシデ−シヨン法
US4870201A (en) * 1988-12-08 1989-09-26 The Boc Group, Inc. Process for the production of nitriles
US5093299A (en) 1990-01-09 1992-03-03 The Standard Oil Company Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile
US5840955A (en) * 1997-11-25 1998-11-24 Sockell; Edward J. Waste minimization and product recovery process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1920761A1 (de) * 1969-04-24 1970-11-12 Bayer Ag Verfahren zur Trennung von Acrylnitril und Acetonitril
US3885928A (en) * 1973-06-18 1975-05-27 Standard Oil Co Ohio Acrylonitrile and methacrylonitrile recovery and purification system
EP0372972A1 (en) * 1988-12-08 1990-06-13 The Boc Group, Inc. Process for the production of nitriles and oxides
US5703268A (en) * 1996-04-08 1997-12-30 The Standard Oil Company Acrylonitrile recovery process

Also Published As

Publication number Publication date
EP1087936A1 (en) 2001-04-04
US5959134A (en) 1999-09-28
RO121966B1 (ro) 2008-09-30
BR9910601A (pt) 2001-01-16
BR9910601B1 (pt) 2011-11-29
BG65192B1 (bg) 2007-06-29
JP2002515479A (ja) 2002-05-28
KR100630642B1 (ko) 2006-10-02
CA2332502A1 (en) 1999-11-25
AU4086699A (en) 1999-12-06
TW584575B (en) 2004-04-21
KR20010025068A (ko) 2001-03-26
BG104923A (en) 2001-05-31
CN1301251A (zh) 2001-06-27
JP2011102236A (ja) 2011-05-26
EP1961736A1 (en) 2008-08-27
TR200003412T2 (tr) 2001-03-21
CN100439327C (zh) 2008-12-03
RU2258695C2 (ru) 2005-08-20
MY123322A (en) 2006-05-31

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