GB1396249A - Process for recovery of hydrogen cyanide - Google Patents

Process for recovery of hydrogen cyanide

Info

Publication number
GB1396249A
GB1396249A GB4200373A GB4200373A GB1396249A GB 1396249 A GB1396249 A GB 1396249A GB 4200373 A GB4200373 A GB 4200373A GB 4200373 A GB4200373 A GB 4200373A GB 1396249 A GB1396249 A GB 1396249A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
hydrogen cyanide
cyanide
ketone
product solution
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.)
Expired
Application number
GB4200373A
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1396249A publication Critical patent/GB1396249A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/04—Separation from gases
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
GB4200373A 1972-09-07 1973-09-06 Process for recovery of hydrogen cyanide Expired GB1396249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28703872A 1972-09-07 1972-09-07

Publications (1)

Publication Number Publication Date
GB1396249A true GB1396249A (en) 1975-06-04

Family

ID=23101212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4200373A Expired GB1396249A (en) 1972-09-07 1973-09-06 Process for recovery of hydrogen cyanide

Country Status (8)

Country Link
JP (1) JPS5052000A (ja)
BE (1) BE804526A (ja)
CA (1) CA1001826A (ja)
DE (1) DE2344918A1 (ja)
FR (1) FR2198895B1 (ja)
GB (1) GB1396249A (ja)
IT (1) IT995298B (ja)
NL (1) NL7312387A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1371632A1 (en) * 2002-06-14 2003-12-17 Rohm And Haas Company Process for producing acetone cyanohydrin
WO2004092068A1 (de) * 2003-04-17 2004-10-28 Basf Aktiengesellschaft Verfahren zur aufreinigung von blausäure

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5828675B2 (ja) * 2011-05-17 2015-12-09 日鉄住金環境株式会社 シアン含有廃液の処理方法およびこれに使用する薬剤
CN107789981A (zh) * 2017-12-06 2018-03-13 西安科技大学 一种建筑火灾用烟气吸收器及烟气吸收方法
EP3604222A1 (en) * 2018-07-30 2020-02-05 Evonik Operations GmbH Process for the purification of hydrogen cyanide
EP4182268A4 (en) * 2020-07-14 2024-08-07 Cyanco Corp IMPROVED ALKALI METAL CYANIDE PRODUCTION

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1371632A1 (en) * 2002-06-14 2003-12-17 Rohm And Haas Company Process for producing acetone cyanohydrin
WO2004092068A1 (de) * 2003-04-17 2004-10-28 Basf Aktiengesellschaft Verfahren zur aufreinigung von blausäure
CN100340487C (zh) * 2003-04-17 2007-10-03 巴斯福股份公司 提纯氢氰酸的方法
US7462263B2 (en) 2003-04-17 2008-12-09 Michael Bartsch Method for purifying hydrocyanic acid

Also Published As

Publication number Publication date
CA1001826A (en) 1976-12-21
IT995298B (it) 1975-11-10
FR2198895A1 (ja) 1974-04-05
FR2198895B1 (ja) 1977-02-25
JPS5052000A (ja) 1975-05-09
NL7312387A (ja) 1974-03-11
DE2344918A1 (de) 1974-03-14
BE804526A (fr) 1974-03-06

Similar Documents

Publication Publication Date Title
ES266395A1 (es) Un procedimiento para la preparaciën de urea
GB1365707A (en) Process for preparing urea
BG29133A3 (en) Integrated method for synthesis of carbamide and ammonia
GB1396249A (en) Process for recovery of hydrogen cyanide
GB1388669A (en) Process for reducing the concentration of nitrogen oxides in gases
ES422910A1 (es) Procedimiento para recuperar carbonato amonico sin reaccio-nar en la sintesis de urea.
ES426480A1 (es) Un procedimiento para preparar urea.
ES402472A1 (es) Procedimiento para la preparacion de lactamas.
GB1341497A (en) Process for the production of urea
ES443998A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
ES485136A1 (es) Un procedimiento para la preparacion de acido nitrico
ES344834A1 (es) Mejoras en los medios de obtencion de urea sintetica.
GB1296745A (ja)
ES460035A1 (es) Procedimiento para recuperar epsilon-caprolactama a partir de una mezcla de reaccion de epsilon-caprolactama/acido sul-furico.
GB925923A (en) Improvements in or relating to deuterium isotope catalytic exchange reactions
GB1268266A (en) Process for the production of malonic acid dinitrile
ES309851A1 (es) Metodo de sintesis de urea.
ES469080A1 (es) Un procedimiento para la recuperacion de nh3 y so2 a partir de una sal amonica de acido sulfurico.
GB1502190A (en) Methanol synthesis gas production
GB1287548A (en) A process for purifying waste gases from the production of ammonium nitrite and re-using them for the production of ammonium carbonate
GB1124547A (en) Production of urea
GB959358A (en) Production of urea prills of low biuret content
GB1315592A (en) Process for conversion of hydrogen sulphide into free sulphur
GB1098508A (en) Improvements in or relating to a process for synthesizing urea
ES427408A1 (es) Un metodo de sintesis de 5-(beta-metilmercaptoetil)-hidan- toina.

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee