NL145849B - PROCEDURE FOR REDUCING THE BIURET CONTENT IN UREA PARTICLES OBTAINED BY SYNTHESIS FROM AMMONIA AND CARBON DIOXIDE. - Google Patents

PROCEDURE FOR REDUCING THE BIURET CONTENT IN UREA PARTICLES OBTAINED BY SYNTHESIS FROM AMMONIA AND CARBON DIOXIDE.

Info

Publication number
NL145849B
NL145849B NL676710422A NL6710422A NL145849B NL 145849 B NL145849 B NL 145849B NL 676710422 A NL676710422 A NL 676710422A NL 6710422 A NL6710422 A NL 6710422A NL 145849 B NL145849 B NL 145849B
Authority
NL
Netherlands
Prior art keywords
ammonia
synthesis
procedure
reducing
carbon dioxide
Prior art date
Application number
NL676710422A
Other languages
Dutch (nl)
Other versions
NL6710422A (en
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of NL6710422A publication Critical patent/NL6710422A/xx
Publication of NL145849B publication Critical patent/NL145849B/en

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
    • C07C273/04—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 from carbon dioxide and ammonia
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL676710422A 1966-07-27 1967-07-27 PROCEDURE FOR REDUCING THE BIURET CONTENT IN UREA PARTICLES OBTAINED BY SYNTHESIS FROM AMMONIA AND CARBON DIOXIDE. NL145849B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2073366 1966-07-27

Publications (2)

Publication Number Publication Date
NL6710422A NL6710422A (en) 1968-01-29
NL145849B true NL145849B (en) 1975-05-15

Family

ID=11171223

Family Applications (1)

Application Number Title Priority Date Filing Date
NL676710422A NL145849B (en) 1966-07-27 1967-07-27 PROCEDURE FOR REDUCING THE BIURET CONTENT IN UREA PARTICLES OBTAINED BY SYNTHESIS FROM AMMONIA AND CARBON DIOXIDE.

Country Status (12)

Country Link
JP (1) JPS5127659B1 (en)
BE (1) BE701633A (en)
BR (1) BR6791527D0 (en)
CH (1) CH471089A (en)
CS (1) CS163163B2 (en)
DE (1) DE1618926B1 (en)
ES (1) ES343801A1 (en)
GR (1) GR33978B (en)
LU (1) LU54171A1 (en)
NL (1) NL145849B (en)
SE (1) SE387334B (en)
YU (1) YU33783B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52139164U (en) * 1976-04-13 1977-10-21
JPS52163463U (en) * 1976-06-02 1977-12-10
JPS6114665U (en) * 1984-07-02 1986-01-28 和也 生駒 container
DE102006059760B4 (en) * 2006-12-18 2009-04-02 Skw Stickstoffwerke Piesteritz Gmbh Process for the continuous production of highly pure urea solution
ITMI20120013A1 (en) 2012-01-09 2013-07-10 Saipem Spa PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION
JP2016064991A (en) 2014-09-22 2016-04-28 東洋エンジニアリング株式会社 Method for producing high-purity urea aqueous solution in urea production process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232984A (en) * 1961-11-20 1966-02-01 Pullman Inc Low biuret urea
GB1052915A (en) * 1963-04-11
US3255246A (en) * 1963-06-27 1966-06-07 Du Pont Synthesis and recovery of urea

Also Published As

Publication number Publication date
ES343801A1 (en) 1968-09-16
BE701633A (en) 1968-01-02
NL6710422A (en) 1968-01-29
SE387334B (en) 1976-09-06
GR33978B (en) 1968-02-29
YU33783B (en) 1978-05-15
JPS5127659B1 (en) 1976-08-13
CS163163B2 (en) 1975-08-29
CH471089A (en) 1969-04-15
LU54171A1 (en) 1967-09-25
DE1618926B1 (en) 1971-01-28
BR6791527D0 (en) 1973-06-28

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SNAM PROGETTI