ZA9810259B - Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams - Google Patents

Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams

Info

Publication number
ZA9810259B
ZA9810259B ZA9810259A ZA9810259A ZA9810259B ZA 9810259 B ZA9810259 B ZA 9810259B ZA 9810259 A ZA9810259 A ZA 9810259A ZA 9810259 A ZA9810259 A ZA 9810259A ZA 9810259 B ZA9810259 B ZA 9810259B
Authority
ZA
South Africa
Prior art keywords
unsaturated mononitrile
stream
reactor effluent
aqueous
effluent containing
Prior art date
Application number
ZA9810259A
Other languages
English (en)
Inventor
Anne M Graham
Sanjay P Godbole
Daniel G Lee
Original Assignee
Standard Oil Co Ohio
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 Standard Oil Co Ohio filed Critical Standard Oil Co Ohio
Publication of ZA9810259B publication Critical patent/ZA9810259B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
    • C07C253/26—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
ZA9810259A 1998-05-13 1998-11-10 Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams ZA9810259B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/078,384 US5869730A (en) 1998-05-13 1998-05-13 Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams

Publications (1)

Publication Number Publication Date
ZA9810259B true ZA9810259B (en) 1999-05-18

Family

ID=22143710

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9810259A ZA9810259B (en) 1998-05-13 1998-11-10 Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams

Country Status (15)

Country Link
US (1) US5869730A (tr)
EP (1) EP0957084B1 (tr)
JP (2) JP4272283B2 (tr)
KR (1) KR100587188B1 (tr)
CN (1) CN1145607C (tr)
AT (1) ATE287872T1 (tr)
BG (1) BG64505B1 (tr)
BR (1) BR9805434B1 (tr)
DE (1) DE69828776T2 (tr)
ES (1) ES2236874T3 (tr)
RO (1) RO120405B1 (tr)
RU (1) RU2242459C2 (tr)
TR (1) TR199802494A3 (tr)
TW (1) TW534899B (tr)
ZA (1) ZA9810259B (tr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5869730A (en) * 1998-05-13 1999-02-09 The Standard Oil Company Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams
US6002040A (en) * 1998-05-14 1999-12-14 The Standard Oil Company Reduced pressure drop in acrylonitrile absorber via direct contact spray heat exchange
US6860971B2 (en) * 1998-06-15 2005-03-01 Gregory J. Ward Process for recovery of olefinically unsaturated nitriles
US6107509A (en) * 1999-03-31 2000-08-22 The Standard Oil Company Process for the recovery of acrylonitrile and methacrylontrile
US6873087B1 (en) * 1999-10-29 2005-03-29 Board Of Regents, The University Of Texas System High precision orientation alignment and gap control stages for imprint lithography processes
AU2001267012A1 (en) * 2000-07-18 2002-01-30 The Standard Oil Company Improved process for the purification and recovery of acetonitrile
KR100676808B1 (ko) 2001-01-10 2007-02-05 이 아이 듀폰 디 네모아 앤드 캄파니 산화 반응기 생산 용량의 증가 방법
US6984749B2 (en) * 2002-12-04 2006-01-10 Bp Corporation North America Inc. Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles
JP2004217656A (ja) * 2003-01-14 2004-08-05 Solutia Inc アクリロニトリル精製プロセスにおける凝縮させた冷却オーバーヘッドの再循環
US8585870B2 (en) * 2008-03-05 2013-11-19 E I Du Pont De Nemours And Company Process to C-manufacture acrylonitrile and hydrogen cyanide
JP6525666B2 (ja) * 2015-03-27 2019-06-05 キヤノン株式会社 トナー及びトナーの製造方法
CN106892842A (zh) * 2015-12-17 2017-06-27 英尼奥斯欧洲股份公司 回收塔

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481826A (en) * 1947-02-28 1949-09-13 Allied Chem & Dye Corp Process for making aliphatic nitriles
MX67287A (tr) * 1959-02-24
US3044966A (en) * 1959-08-05 1962-07-17 Standard Oil Co Attrition resistant oxidation catalysts
US3198750A (en) * 1962-12-26 1965-08-03 Standard Oil Co Mixed antimony oxide-uranium oxide oxidation catalyst
NL293857A (tr) * 1962-06-11
US3200084A (en) * 1962-10-15 1965-08-10 Standard Oil Co Mixed antimony oxide-cerium oxide oxidation catalysts
NL300817A (tr) * 1962-11-28
US3352764A (en) * 1966-05-02 1967-11-14 Standard Oil Co Absorption and distillation process for separating crude unsaturated nitriles from acetonitrile with selective solvent recycle
GB1199697A (en) * 1967-11-13 1970-07-22 Nitto Chemical Industry Co Ltd Process for the Removal of Unreacted Ammonia in the Production of Acrylonitrile
US3936360A (en) * 1971-04-07 1976-02-03 The Standard Oil Company Process for distillation and recovery of olefinic nitriles
US4166008A (en) * 1977-07-29 1979-08-28 The Standard Oil Company Process for recovery of olefinic nitriles
KR850001603B1 (ko) * 1980-12-03 1985-10-24 아사히 가세이 고오교오 가부시기가이샤 불포화 니트릴의 제조법
US4334965A (en) * 1980-12-31 1982-06-15 Standard Oil Company Process for recovery of olefinic nitriles
JPH08231487A (ja) * 1995-02-28 1996-09-10 Asahi Chem Ind Co Ltd アクリロニトリルの製造方法
KR100186952B1 (ko) * 1996-06-18 1999-04-01 문성수 동합금 및 철-니켈 합금 소재에 팔라듐 또는 팔라듐 합금을 무전해 도금하는 방법
AU734725B2 (en) * 1996-10-23 2001-06-21 Ascend Performance Materials Llc Process for purifying acrylonitrile
US5869730A (en) * 1998-05-13 1999-02-09 The Standard Oil Company Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams

Also Published As

Publication number Publication date
JP4272283B2 (ja) 2009-06-03
ES2236874T3 (es) 2005-07-16
TR199802494A2 (tr) 1999-12-21
BG102955A (en) 2000-04-28
EP0957084A2 (en) 1999-11-17
JPH11322696A (ja) 1999-11-24
DE69828776D1 (de) 2005-03-03
KR19990087002A (ko) 1999-12-15
TW534899B (en) 2003-06-01
RU2242459C2 (ru) 2004-12-20
JP2009102391A (ja) 2009-05-14
DE69828776T2 (de) 2006-04-06
EP0957084B1 (en) 2005-01-26
KR100587188B1 (ko) 2006-08-30
BG64505B1 (bg) 2005-05-31
CN1145607C (zh) 2004-04-14
BR9805434A (pt) 1999-12-14
BR9805434B1 (pt) 2009-01-13
RO120405B1 (ro) 2006-01-30
US5869730A (en) 1999-02-09
ATE287872T1 (de) 2005-02-15
TR199802494A3 (tr) 1999-12-21
EP0957084A3 (en) 2000-07-12
CN1235154A (zh) 1999-11-17

Similar Documents

Publication Publication Date Title
ZA9810259B (en) Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams
BG65205B1 (bg) Процес за производство на акрилонитрил и метакрилонитрил
US5895635A (en) Process for recovery and recycle of ammonia from an acrylonitrile reactor effluent stream using an ammonium phosphate quench system
KR100558128B1 (ko) 폐기물의최소화및생성물회수방법
RU98121500A (ru) Способ получения ненасыщенного мононитрила
MXPA01005155A (es) Proceso para la recuperacion y el reciclaje de amoniaco proveniente de una corriente efluente de reactor.
EP1093389B1 (en) Process for recovery of acrylonitirle
RU2178410C2 (ru) Способ выделения акрилонитрила или метакрилонитрила
KR960007550A (ko) 아크릴로니트릴 제조 동안의 폐기물의 감소방법
RU95113153A (ru) Способ уменьшения количества непрореагировавшего аммиака, выходящего из реактора в процессе получения акрилонитрила, способ получения акрилонитрила
US6860971B2 (en) Process for recovery of olefinically unsaturated nitriles
BR0309879A (pt) Processos de amoxidação de ácidos carboxìlicos em mistura de nitrilas e para aumentar o rendimento do co-produto da acetonitrila
BR9917516A (pt) Processo para manufatura de acrilonitrila
EP0885843B1 (en) Process for recovery and recycle of ammonia from an acrylonitrile reactor effluent stream using an ammonium phosphate quench system
KR100644119B1 (ko) 암모늄포스페이트켄치시스템에의한아크릴로니트릴반응기유출액흐름으로부터암모니아의회수및재순환방법
BR0115459A (pt) Processo para a recuperação de nitrila
KR100587744B1 (ko) 개선된아크릴로니트릴회수방법
KR810001374B1 (ko) 올레핀 니트릴의 회수방법
RU2237016C2 (ru) Способ извлечения непрореагировавшего аммиака из вытекающего из реактора потока
JPH1129542A (ja) リン酸アンモニウムクエンチ系を用いてアクリロニトリル反応器流出液流からアンモニアを回収し再循環させるプロセス
IT1037238B (it) Sistema di ricupero e purificazione di acrilonitrile e metacrilonitrile
NL7504184A (en) Recovery and purificn of (meth)acrylonitrile - with recycle of aq. quench stream in ammoxidn process
FR2307798A1 (fr) Perfectionnements apportes a un procede de recuperation et de purification d'acrylonitrile et de methacrylonitrile
JP2008260762A (ja) リン酸アンモニウムクエンチ系を用いてアクリロニトリル反応器流出液流からアンモニアを回収し再循環させるプロセス
MXPA97004617A (en) Process to recover and recycle ammonia from an effluent current of the acrylonitril reactor using an amo phosphate cooling system