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

    • 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)
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 (xx)
BE (1) BE804526A (xx)
CA (1) CA1001826A (xx)
DE (1) DE2344918A1 (xx)
FR (1) FR2198895B1 (xx)
GB (1) GB1396249A (xx)
IT (1) IT995298B (xx)
NL (1) NL7312387A (xx)

Families Citing this family (7)

* 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
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
WO2022015717A1 (en) * 2020-07-14 2022-01-20 Cyanco Corporation Improved alkali metal cyanide production
CN117623334A (zh) * 2023-11-27 2024-03-01 重庆晨沃力化工技术有限公司 一种氨氧化法制备液体hcn的方法及反应气吸收系统

Also Published As

Publication number Publication date
FR2198895B1 (xx) 1977-02-25
GB1396249A (en) 1975-06-04
IT995298B (it) 1975-11-10
NL7312387A (xx) 1974-03-11
DE2344918A1 (de) 1974-03-14
JPS5052000A (xx) 1975-05-09
FR2198895A1 (xx) 1974-04-05
CA1001826A (en) 1976-12-21

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Legal Events

Date Code Title Description
RE Patent lapsed

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

Effective date: 19860930