ES343801A1 - Procedimiento para la obtencion de urea cristalizada con unbajo contenido de biuret. - Google Patents

Procedimiento para la obtencion de urea cristalizada con unbajo contenido de biuret.

Info

Publication number
ES343801A1
ES343801A1 ES343801A ES343801A ES343801A1 ES 343801 A1 ES343801 A1 ES 343801A1 ES 343801 A ES343801 A ES 343801A ES 343801 A ES343801 A ES 343801A ES 343801 A1 ES343801 A1 ES 343801A1
Authority
ES
Spain
Prior art keywords
biuret
translation
procedure
machine
legally binding
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
ES343801A
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SnamProgetti SpA filed Critical SnamProgetti SpA
Publication of ES343801A1 publication Critical patent/ES343801A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05CNITROGENOUS FERTILISERS
    • C05C9/00Fertilisers containing urea or urea compounds
    • C05C9/005Post-treatment
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/14Separation; Purification; Stabilisation; Use of additives
    • C07C273/16Separation; Purification
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES343801A 1966-07-27 1967-07-22 Procedimiento para la obtencion de urea cristalizada con unbajo contenido de biuret. Expired ES343801A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES343801A1 true ES343801A1 (es) 1968-09-16

Family

ID=11171223

Family Applications (1)

Application Number Title Priority Date Filing Date
ES343801A Expired ES343801A1 (es) 1966-07-27 1967-07-22 Procedimiento para la obtencion de urea cristalizada con unbajo contenido de biuret.

Country Status (12)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52139164U (es) * 1976-04-13 1977-10-21
JPS52163463U (es) * 1976-06-02 1977-12-10
JPS6114665U (ja) * 1984-07-02 1986-01-28 和也 生駒 容器
DE102006059760B4 (de) * 2006-12-18 2009-04-02 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung von hochreiner Harnstofflösung
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
JP2016064991A (ja) * 2014-09-22 2016-04-28 東洋エンジニアリング株式会社 尿素製造プロセスにおける高純度尿素水溶液の製造方法

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 (es) * 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
NL145849B (nl) 1975-05-15
GR33978B (el) 1968-02-29
YU33783B (en) 1978-05-15
NL6710422A (es) 1968-01-29
CS163163B2 (es) 1975-08-29
JPS5127659B1 (es) 1976-08-13
BE701633A (es) 1968-01-02
SE387334B (sv) 1976-09-06
DE1618926B1 (de) 1971-01-28
LU54171A1 (es) 1967-09-25
CH471089A (fr) 1969-04-15
BR6791527D0 (pt) 1973-06-28

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