FR1412845A - Process for cooling raw melamine preparation gases - Google Patents

Process for cooling raw melamine preparation gases

Info

Publication number
FR1412845A
FR1412845A FR993106A FR993106A FR1412845A FR 1412845 A FR1412845 A FR 1412845A FR 993106 A FR993106 A FR 993106A FR 993106 A FR993106 A FR 993106A FR 1412845 A FR1412845 A FR 1412845A
Authority
FR
France
Prior art keywords
cooling raw
raw melamine
melamine preparation
gases
preparation gases
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
FR993106A
Other languages
French (fr)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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
Priority claimed from US401535A external-priority patent/US3265233A/en
Priority claimed from US401555A external-priority patent/US3315442A/en
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Priority to FR993106A priority Critical patent/FR1412845A/en
Application granted granted Critical
Publication of FR1412845A publication Critical patent/FR1412845A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/62—Purification of melamine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR993106A 1964-10-05 1964-10-29 Process for cooling raw melamine preparation gases Expired FR1412845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR993106A FR1412845A (en) 1964-10-05 1964-10-29 Process for cooling raw melamine preparation gases

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US401535A US3265233A (en) 1964-10-05 1964-10-05 Container and safety closure construction
US401555A US3315442A (en) 1964-10-05 1964-10-05 Quenching of crude melamine gases
FR993106A FR1412845A (en) 1964-10-05 1964-10-29 Process for cooling raw melamine preparation gases

Publications (1)

Publication Number Publication Date
FR1412845A true FR1412845A (en) 1965-10-01

Family

ID=27248418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR993106A Expired FR1412845A (en) 1964-10-05 1964-10-29 Process for cooling raw melamine preparation gases

Country Status (1)

Country Link
FR (1) FR1412845A (en)

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