NL8303424A - Werkwijze voor de bereiding van ureum. - Google Patents

Werkwijze voor de bereiding van ureum. Download PDF

Info

Publication number: NL8303424A
Authority: NL; Netherlands
Prior art keywords: urea; zone; stripping; carbamate; reaction zone
Prior art date: 1983-10-06

Application number

NL8303424A

Other languages

English (en)

Dutch (nl)

Original Assignee

Unie Van Kunstmestfab Bv

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.)

1983-10-06

Filing date

1983-10-06

Publication date

1985-05-01

1983-10-06 Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv

1983-10-06 Priority to NL8303424A priority Critical patent/NL8303424A/nl

1984-10-05 Priority to EP84201421A priority patent/EP0136764A3/fr

1984-10-05 Priority to JP20844184A priority patent/JPS60155151A/ja

1985-05-01 Publication of NL8303424A publication Critical patent/NL8303424A/nl

Links

XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 75
239000004202 carbamide Substances 0.000 title claims description 75
238000000034 method Methods 0.000 title claims description 27
238000002360 preparation method Methods 0.000 title claims description 7
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 98
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 69
238000006243 chemical reaction Methods 0.000 claims description 61
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 58
230000015572 biosynthetic process Effects 0.000 claims description 51
229910002092 carbon dioxide Inorganic materials 0.000 claims description 49
239000000203 mixture Substances 0.000 claims description 37
238000003786 synthesis reaction Methods 0.000 claims description 32
230000008569 process Effects 0.000 claims description 20
239000001569 carbon dioxide Substances 0.000 claims description 13
229910021529 ammonia Inorganic materials 0.000 claims description 6
239000007787 solid Substances 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims 2
239000007789 gas Substances 0.000 description 35
229910000069 nitrogen hydride Inorganic materials 0.000 description 28
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
229910001868 water Inorganic materials 0.000 description 24
238000009833 condensation Methods 0.000 description 16
230000005494 condensation Effects 0.000 description 16
239000011261 inert gas Substances 0.000 description 6
238000005406 washing Methods 0.000 description 6
238000000354 decomposition reaction Methods 0.000 description 5
238000010521 absorption reaction Methods 0.000 description 2
239000004035 construction material Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000009434 installation Methods 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
230000009471 action Effects 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000008901 benefit Effects 0.000 description 1
OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
150000004657 carbamic acid derivatives Chemical class 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000003337 fertilizer Substances 0.000 description 1
-1 hereby formed Chemical compound 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
238000005192 partition Methods 0.000 description 1
239000012071 phase Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
238000010926 purge Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000013589 supplement Substances 0.000 description 1
238000010626 work up procedure Methods 0.000 description 1

Classifications

- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NL8303424A 1983-10-06 1983-10-06 Werkwijze voor de bereiding van ureum. NL8303424A (nl)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
NL8303424A NL8303424A (nl)	1983-10-06	1983-10-06	Werkwijze voor de bereiding van ureum.
EP84201421A EP0136764A3 (fr)	1983-10-06	1984-10-05	Procédé de fabrication d'urée
JP20844184A JPS60155151A (ja)	1983-10-06	1984-10-05	尿素の製造法

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8303424A NL8303424A (nl)	1983-10-06	1983-10-06	Werkwijze voor de bereiding van ureum.
NL8303424		1983-10-06

Publications (1)

Publication Number	Publication Date
NL8303424A true NL8303424A (nl)	1985-05-01

Family

ID=19842504

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8303424A NL8303424A (nl)	1983-10-06	1983-10-06	Werkwijze voor de bereiding van ureum.

Country Status (3)

Country	Link
EP (1)	EP0136764A3 (fr)
JP (1)	JPS60155151A (fr)
NL (1)	NL8303424A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1275451B (it) *	1995-06-30	1997-08-07	Snam Progetti	Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
EP1975151A1 (fr) *	2007-03-29	2008-10-01	Urea Casale S.A.	Procédé pour la modernisation d'une installation de production d'urée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL6808167A (fr) *	1968-06-11	1969-12-15
BE787832A (fr) *	1971-09-02	1973-02-22	Stamicarbon	Procede pour la preparation d'uree
NL8104039A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8104040A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.

1983
- 1983-10-06 NL NL8303424A patent/NL8303424A/nl not_active Application Discontinuation
1984
- 1984-10-05 JP JP20844184A patent/JPS60155151A/ja active Pending
- 1984-10-05 EP EP84201421A patent/EP0136764A3/fr not_active Withdrawn

Also Published As

Publication number	Publication date
EP0136764A2 (fr)	1985-04-10
EP0136764A3 (fr)	1985-06-12
JPS60155151A (ja)	1985-08-15

Similar Documents

Publication	Publication Date	Title
US6426434B1 (en)	2002-07-30	Process for the synthesis of urea
US4410503A (en)	1983-10-18	Process for the removal of urea, ammonia, and carbon dioxide from dilute aqueous solutions
EP0155735A1 (fr)	1985-09-25	Procédé de préparation d'urée
CN109890788B (zh)	2021-08-20	尿素与尿素-硝酸铵的集成工艺
NL8201652A (nl)	1983-11-16	Werkwijze voor de bereiding van ureum.
EP2521710B1 (fr)	2014-03-05	Procédé d'extraction d'urée pour la production d'urée
NL8502227A (nl)	1987-03-02	Werkwijze voor de bereiding van ureum.
NL1011123C2 (nl)	2000-07-27	Werkwijze voor de bereiding van ureum.
US4540813A (en)	1985-09-10	Process for the preparation of urea
US4308234A (en)	1981-12-29	Treatment of urea solutions
PL189579B1 (pl)	2005-08-31	Sposób wytwarzania mocznika, instalacja do produkcji mocznika oraz sposób modernizacji instalacji do produkcji mocznika
US5380943A (en)	1995-01-10	Process and plant for the production of urea with differentiated yield reaction spaces
CN117222620A (zh)	2023-12-12	合成尿素和三聚氰胺的方法和装置
CA2473224C (fr)	2012-09-25	Procede de preparation d'uree
AU2002360227A1 (en)	2003-09-18	Process for the preparation of urea
US20030013914A1 (en)	2003-01-16	Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant
NL8104039A (nl)	1983-04-05	Werkwijze voor de bereiding van ureum.
NL8303425A (nl)	1985-05-01	Werkwijze voor de bereiding van ureum.
WO2021239955A1 (fr)	2021-12-02	Procédé et installation pour la synthèse d'urée
RU2854494C2 (ru)	2026-01-13	Способ и установка для синтеза мочевины и меламина
NL8900152A (nl)	1990-08-16	Werkwijze voor de bereiding van ureum.
UA129425C2 (uk)	2025-04-23	Спосіб синтезу сечовини
EP0136764A2 (fr)	1985-04-10	Procédé de fabrication d'urée
RU2848655C1 (ru)	2025-10-21	Вертикальный комбинированный реактор синтеза мочевины и его система
US12134590B2 (en)	2024-11-05	Coupled urea melamine production with HP CO2 stripping

Legal Events

Date	Code	Title	Description
1985-05-01	A1B	A search report has been drawn up
1987-06-01	BV	The patent application has lapsed