BE804526A - Procede ameliore pour la recuperation de l'acide cyanhydrique - Google Patents

Procede ameliore pour la recuperation de l'acide cyanhydrique

Info

Publication number
BE804526A
BE804526A BE135370A BE135370A BE804526A BE 804526 A BE804526 A BE 804526A BE 135370 A BE135370 A BE 135370A BE 135370 A BE135370 A BE 135370A BE 804526 A BE804526 A BE 804526A
Authority
BE
Belgium
Prior art keywords
recovery
improved process
cyanhydric acid
cyanhydric
acid
Prior art date
Application number
BE135370A
Other languages
English (en)
French (fr)
Inventor
E G Mahler
P R Mcallister
E D Wilhoit
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 BE804526A publication Critical patent/BE804526A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00Carboxylic acid nitriles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00Cyanogen; Compounds thereof
    • C01C3/02Preparation, separation or purification of hydrogen cyanide
    • C01C3/04Separation from gases
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/20Capture 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)
BE135370A 1972-09-07 1973-09-06 Procede ameliore pour la recuperation de l'acide cyanhydrique BE804526A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE804526A true BE804526A (fr) 1974-03-06

Family

ID=23101212

Family Applications (1)

Application Number Title Priority Date Filing Date
BE135370A BE804526A (fr) 1972-09-07 1973-09-06 Procede ameliore pour la recuperation de l'acide cyanhydrique

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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003204521A1 (en) * 2002-06-14 2004-01-15 Rohm And Haas Company Improved process for producing acetone cyanohydrin
DE10317929A1 (de) * 2003-04-17 2004-11-11 Basf Ag Verfahren zur Aufreinigung von Blausäure
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

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
GB1396249A (en) 1975-06-04
NL7312387A (ja) 1974-03-11
DE2344918A1 (de) 1974-03-14

Similar Documents

Publication Publication Date Title
BE791653A (fr) Procede electrolytique de preparation de l'acide
RO63489A (fr) Procede pour la separation d'acide fluorhydrique
RO73345A (ro) Procedeu pentru prepararea unor derivati /-substituiti ai acidului 7 beta-amino-3-cefem-3-ol-4-carboxilic
BE802541A (fr) Procede de preparation de l'acide phosphorique
RO63738A (fr) Procede pour la preparation des eters d'acide cephalosporanique
BE821374A (fr) Procede de recuperation d'acide nitrique
BE804526A (fr) Procede ameliore pour la recuperation de l'acide cyanhydrique
BE805535A (fr) Procede de deshydratation d'acide bis-maleamiques
RO68379A (ro) Procedeu pentru prepararea unor n-benzhidril-n'-p-hidroxibenzil-piperazine
RO63792A (fr) Procede pour la preparation d'ergolines-0-6-methyle-2-8-substituees
RO67820A (ro) Procedeu pentru purificarea acidului fosforic
BE807260A (fr) Procede de preparation d'acide trans- chrysanthemique
RO66639A (ro) Procedeu pentru prepararea acidului n5-metiltetrahœdrohomofolic
BE798598A (fr) Procede de purification de l'acide phosphorique
BE762365A (fr) Procede pour la preparation d'acide amidoalcanes-sulfoniques
RO63501A (fr) Procede pour la preparation d'acide 3-cetoglutarique
BE819763R (fr) Procede de separation d'acide fluorhydrique
RO62391A (fr) Procede pour la preparation des amidoesters d'acide thiophosphorique
BE804372A (fr) Procede de preparation de l'acide anthraquinone-1-carboxylique
RO75386A (ro) Procedeu de preparare a derivatilor acidului pregnanic
BE809077A (fr) Procede pour la preparation du derive de l'acide cephalosporanique
BE806868A (fr) Procede de preparation de l'acide 7-(d-alpha-aminophenylacetamido) -3-desacetoxycephalosporanique
RO63436A (fr) Procede pour la preparation d'esters d'acide succinylosuccinique
BE801828A (fr) Procede ameliore de preparation de l'acide 1,12-didecanedioique
BE803648A (fr) Procede de preparation de l'acide alpha- chloracrylique

Legal Events

Date Code Title Description
RE Patent lapsed

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

Effective date: 19860930