BE774395A - Procede de recuperation d'ammoniac des gaz en contenant en melange avecde l'acide cyanhydrique - Google Patents

Procede de recuperation d'ammoniac des gaz en contenant en melange avecde l'acide cyanhydrique

Info

Publication number
BE774395A
BE774395A BE774395A BE774395A BE774395A BE 774395 A BE774395 A BE 774395A BE 774395 A BE774395 A BE 774395A BE 774395 A BE774395 A BE 774395A BE 774395 A BE774395 A BE 774395A
Authority
BE
Belgium
Prior art keywords
gases
containing mixed
recovering ammonia
cyanhydric acid
cyanhydric
Prior art date
Application number
BE774395A
Other languages
English (en)
Inventor
H C Carlson
W T Hess
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of BE774395A publication Critical patent/BE774395A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/12—Separation of ammonia from gases and vapours

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
BE774395A 1970-10-26 1971-10-25 Procede de recuperation d'ammoniac des gaz en contenant en melange avecde l'acide cyanhydrique BE774395A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8372770A 1970-10-26 1970-10-26

Publications (1)

Publication Number Publication Date
BE774395A true BE774395A (fr) 1972-04-25

Family

ID=22180292

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774395A BE774395A (fr) 1970-10-26 1971-10-25 Procede de recuperation d'ammoniac des gaz en contenant en melange avecde l'acide cyanhydrique

Country Status (7)

Country Link
US (1) US3718731A (fr)
JP (1) JPS5315037B1 (fr)
BE (1) BE774395A (fr)
CA (1) CA947472A (fr)
DE (1) DE2153296C3 (fr)
FR (1) FR2113218A5 (fr)
GB (1) GB1350490A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1017536A (en) * 1973-07-02 1977-09-20 Robert D. Rice Process for the separation and recovery of ammonia and acid gases
US3985863A (en) * 1973-07-02 1976-10-12 United States Steel Corporation Process for the separation and recovery of ammonia and acid gases
US3914386A (en) * 1974-07-30 1975-10-21 Du Pont Reduction of foaming in ammonia recovery system of a HCN manufacturing process
US4183902A (en) * 1978-06-13 1980-01-15 Jgc Corporation Wet process for removing specific component from gas
DE3065726D1 (en) * 1979-12-03 1983-12-29 Du Pont Hydrogen cyanide manufacturing process
US4594131A (en) * 1984-08-13 1986-06-10 United States Steel Corporation Process for removing ammonia and acid gases from process streams
TW382005B (en) * 1996-04-30 2000-02-11 Standard Oil Co Ohio Process for recovery and recycle of ammonia from an acrylonitrile reactor refluent stream using an ammonium phosphate quench system
DE69728866T2 (de) * 1997-06-17 2005-04-21 Standard Oil The Company Chica Verfahren zur Wiedergewinnung von Ammonia aus einem Abfallstrom eines Acrylonitrilreaktors mittels eines Ammoniumphosphatabkühlsystems
KR100644119B1 (ko) * 1997-06-20 2007-05-14 더 스탠다드 오일 캄파니 암모늄포스페이트켄치시스템에의한아크릴로니트릴반응기유출액흐름으로부터암모니아의회수및재순환방법
MXPA01005155A (es) * 2000-05-23 2003-08-20 Rohm & Haas Proceso para la recuperacion y el reciclaje de amoniaco proveniente de una corriente efluente de reactor.
ZA200202509B (en) * 2001-04-06 2002-10-24 Rohm & Haas Improved process for ammonia recovery.
US8685236B2 (en) * 2009-08-20 2014-04-01 General Electric Company Methods and systems for treating sour water
CN103420396A (zh) * 2012-05-16 2013-12-04 中国石油化工股份有限公司 丙烯腈无硫铵工艺铵盐解析的新方法
CN103524380A (zh) * 2012-07-03 2014-01-22 中国石油化工股份有限公司 丙烯腈无硫铵工艺中降低吸收液中有机物含量的方法
EP2874945A1 (fr) * 2012-07-19 2015-05-27 Invista Technologies S.A R.L. Récupération d'ammoniac comprenant une purge pour la lutte contre la corrosion
TWI505992B (zh) * 2012-12-18 2015-11-01 Invista Tech Sarl 從安德盧梭（ａｎｄｒｕｓｓｏｗ）法中之氨排氣器回收熱之方法
CN106565538B (zh) * 2016-11-07 2019-03-15 上海东化环境工程有限公司 一种丙烯腈反应气的净化工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797148A (en) * 1951-03-13 1957-06-25 Du Pont Recovery of nh3 from a gaseous mixture containing nh3 and hcn
US2912301A (en) * 1956-10-18 1959-11-10 Kellogg M W Co Method of removing acidic components from gaseous mixtures

Also Published As

Publication number Publication date
JPS5315037B1 (fr) 1978-05-22
CA947472A (en) 1974-05-21
FR2113218A5 (fr) 1972-06-23
DE2153296A1 (de) 1972-04-27
US3718731A (en) 1973-02-27
DE2153296B2 (de) 1979-11-29
GB1350490A (en) 1974-04-18
DE2153296C3 (de) 1980-08-14

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19911025