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FR1539371A - Procédé de production d'urée cristalline - Google Patents

Procédé de production d'urée cristalline

Info

Publication number
FR1539371A
FR1539371A FR122835A FR122835A FR1539371A FR 1539371 A FR1539371 A FR 1539371A FR 122835 A FR122835 A FR 122835A FR 122835 A FR122835 A FR 122835A FR 1539371 A FR1539371 A FR 1539371A
Authority
FR
France
Prior art keywords
production process
urea production
crystalline urea
crystalline
urea
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
FR122835A
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.)
Wellman-Power Gas Inc
Original Assignee
Wellman-Power Gas Inc
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 Wellman-Power Gas Inc filed Critical Wellman-Power Gas Inc
Priority to FR122835A priority Critical patent/FR1539371A/fr
Application granted granted Critical
Publication of FR1539371A publication Critical patent/FR1539371A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR122835A 1966-09-29 1967-09-29 Procédé de production d'urée cristalline Expired FR1539371A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR122835A FR1539371A (fr) 1966-09-29 1967-09-29 Procédé de production d'urée cristalline

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58283066A 1966-09-29 1966-09-29
FR122835A FR1539371A (fr) 1966-09-29 1967-09-29 Procédé de production d'urée cristalline

Publications (1)

Publication Number Publication Date
FR1539371A true FR1539371A (fr) 1968-09-13

Family

ID=26179745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR122835A Expired FR1539371A (fr) 1966-09-29 1967-09-29 Procédé de production d'urée cristalline

Country Status (1)

Country Link
FR (1) FR1539371A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450809A1 (fr) * 1979-01-30 1980-10-03 Cf Ind Procedes et appareils de post-traitement, notamment pour installations de production d'uree et de nitrate d'ammonium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450809A1 (fr) * 1979-01-30 1980-10-03 Cf Ind Procedes et appareils de post-traitement, notamment pour installations de production d'uree et de nitrate d'ammonium

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