FR2198895B1 - - Google Patents

Info

Publication number
FR2198895B1
FR2198895B1 FR7331748A FR7331748A FR2198895B1 FR 2198895 B1 FR2198895 B1 FR 2198895B1 FR 7331748 A FR7331748 A FR 7331748A FR 7331748 A FR7331748 A FR 7331748A FR 2198895 B1 FR2198895 B1 FR 2198895B1
Authority
FR
France
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
FR7331748A
Other languages
French (fr)
Other versions
FR2198895A1 (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 FR2198895A1 publication Critical patent/FR2198895A1/fr
Application granted granted Critical
Publication of FR2198895B1 publication Critical patent/FR2198895B1/fr
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
FR7331748A 1972-09-07 1973-09-03 Expired FR2198895B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2198895A1 FR2198895A1 (en) 1974-04-05
FR2198895B1 true FR2198895B1 (en) 1977-02-25

Family

ID=23101212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331748A Expired FR2198895B1 (en) 1972-09-07 1973-09-03

Country Status (8)

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

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 (en) * 2003-04-17 2004-11-11 Basf Ag Process for purifying hydrocyanic acid
JP5828675B2 (en) * 2011-05-17 2015-12-09 日鉄住金環境株式会社 Cyanide-containing waste liquid treatment method and chemicals used therefor
CN107789981A (en) * 2017-12-06 2018-03-13 西安科技大学 A kind of building fire smoke absorption device and smoke absorption method
EP3604222A1 (en) * 2018-07-30 2020-02-05 Evonik Operations GmbH Process for the purification of hydrogen cyanide
KR102559464B1 (en) * 2020-07-14 2023-07-24 시안코 코포레이션 Improved alkali metal cyanide production

Also Published As

Publication number Publication date
DE2344918A1 (en) 1974-03-14
GB1396249A (en) 1975-06-04
BE804526A (en) 1974-03-06
JPS5052000A (en) 1975-05-09
FR2198895A1 (en) 1974-04-05
NL7312387A (en) 1974-03-11
IT995298B (en) 1975-11-10
CA1001826A (en) 1976-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse