GR33978B - Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν. - Google Patents
Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν.Info
- Publication number
- GR33978B GR33978B GR670133978A GR670133978A GR33978B GR 33978 B GR33978 B GR 33978B GR 670133978 A GR670133978 A GR 670133978A GR 670133978 A GR670133978 A GR 670133978A GR 33978 B GR33978 B GR 33978B
- Authority
- GR
- Greece
- Prior art keywords
- urea
- diurian
- receiving low
- urine content
- low urine
- Prior art date
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)
Abstract
έθοδος δια την παραγωγή ουρίας μετά χαμηλής περιεκτικότητας εις διουρία, χαρακτηριζόμενη εκ του ότιη παρούσα εντός του διαλύματος μετά της ουρίας διουρία μετασχηματίζεται προς ουρία τη επιδράσει πρακτικώς καθαρά αμμωνίας, εγχυνόμενης κατ' αντιρροήνεις θερμοκρασία μεταξύ 170 έως 220 βαθμούς Κελσίου και υπό μίαν πίεση μεταξύ 50 έως 300 kg/cm2 εντός του αποσυνθετήρος του καρβαμιδικού ταυτοχρόνως μετά της αποσυνθέσεως του αυτού καρβαμιδικού προερχόμενου εκ της συνθέσεως.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2073366 | 1966-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GR33978B true GR33978B (el) | 1968-02-29 |
Family
ID=11171223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR670133978A GR33978B (el) | 1966-07-27 | 1967-07-10 | Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν. |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5127659B1 (el) |
BE (1) | BE701633A (el) |
BR (1) | BR6791527D0 (el) |
CH (1) | CH471089A (el) |
CS (1) | CS163163B2 (el) |
DE (1) | DE1618926B1 (el) |
ES (1) | ES343801A1 (el) |
GR (1) | GR33978B (el) |
LU (1) | LU54171A1 (el) |
NL (1) | NL145849B (el) |
SE (1) | SE387334B (el) |
YU (1) | YU33783B (el) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139164U (el) * | 1976-04-13 | 1977-10-21 | ||
JPS52163463U (el) * | 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3232984A (en) * | 1961-11-20 | 1966-02-01 | Pullman Inc | Low biuret urea |
NL291528A (el) * | 1963-04-11 | |||
US3255246A (en) * | 1963-06-27 | 1966-06-07 | Du Pont | Synthesis and recovery of urea |
-
1967
- 1967-07-10 GR GR670133978A patent/GR33978B/el unknown
- 1967-07-20 BE BE701633D patent/BE701633A/xx not_active IP Right Cessation
- 1967-07-21 DE DE1967S0110929 patent/DE1618926B1/de not_active Withdrawn
- 1967-07-22 ES ES343801A patent/ES343801A1/es not_active Expired
- 1967-07-24 JP JP42047285A patent/JPS5127659B1/ja active Pending
- 1967-07-24 CS CS5415A patent/CS163163B2/cs unknown
- 1967-07-25 CH CH1060067A patent/CH471089A/fr not_active IP Right Cessation
- 1967-07-25 LU LU54171D patent/LU54171A1/xx unknown
- 1967-07-26 SE SE6710879*A patent/SE387334B/xx unknown
- 1967-07-26 BR BR191527/67A patent/BR6791527D0/pt unknown
- 1967-07-27 YU YU1507/67A patent/YU33783B/xx unknown
- 1967-07-27 NL NL676710422A patent/NL145849B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL145849B (nl) | 1975-05-15 |
BR6791527D0 (pt) | 1973-06-28 |
JPS5127659B1 (el) | 1976-08-13 |
DE1618926B1 (de) | 1971-01-28 |
ES343801A1 (es) | 1968-09-16 |
YU33783B (en) | 1978-05-15 |
CS163163B2 (el) | 1975-08-29 |
BE701633A (el) | 1968-01-02 |
LU54171A1 (el) | 1967-09-25 |
CH471089A (fr) | 1969-04-15 |
SE387334B (sv) | 1976-09-06 |
NL6710422A (el) | 1968-01-29 |
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