NO831532L - Fremgangsmaate ved fremstilling av urea. - Google Patents

Fremgangsmaate ved fremstilling av urea.

Info

Publication number: NO831532L
Authority: NO; Norway
Prior art keywords: urea; zone; reaction zone; stripping; pressure
Prior art date: 1981-09-01

Application number

NO831532A

Other languages

English (en)

Norwegian (no)

Inventor

Petrus Johannes Marie V Nassau

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.)

1981-09-01

Filing date

1983-04-29

Publication date

1983-04-29

1983-04-29 Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv

1983-04-29 Publication of NO831532L publication Critical patent/NO831532L/no

Links

239000004202 carbamide Substances 0.000 title claims description 101
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 98
238000000034 method Methods 0.000 title claims description 42
238000004519 manufacturing process Methods 0.000 title claims description 12
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 127
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 118
238000006243 chemical reaction Methods 0.000 claims description 118
229910021529 ammonia Inorganic materials 0.000 claims description 62
239000001569 carbon dioxide Substances 0.000 claims description 59
229910002092 carbon dioxide Inorganic materials 0.000 claims description 59
BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 54
KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 54
239000000203 mixture Substances 0.000 claims description 51
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 42
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 6
238000000354 decomposition reaction Methods 0.000 claims description 5
238000010438 heat treatment Methods 0.000 claims description 5
238000002156 mixing Methods 0.000 claims description 5
101100481876 Danio rerio pbk gene Proteins 0.000 claims 1
101100481878 Mus musculus Pbk gene Proteins 0.000 claims 1
239000007789 gas Substances 0.000 description 54
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
229910001868 water Inorganic materials 0.000 description 27
230000015572 biosynthetic process Effects 0.000 description 26
238000003786 synthesis reaction Methods 0.000 description 22
239000000047 product Substances 0.000 description 17
239000011261 inert gas Substances 0.000 description 13
238000009833 condensation Methods 0.000 description 10
230000005494 condensation Effects 0.000 description 10
239000007788 liquid Substances 0.000 description 9
238000012546 transfer Methods 0.000 description 8
238000005406 washing Methods 0.000 description 8
229910052799 carbon Inorganic materials 0.000 description 4
238000003776 cleavage reaction Methods 0.000 description 3
230000007017 scission Effects 0.000 description 3
150000003672 ureas Chemical class 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
238000010521 absorption reaction Methods 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
238000010276 construction Methods 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000005260 corrosion Methods 0.000 description 2
230000007797 corrosion Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
238000004064 recycling Methods 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000013589 supplement Substances 0.000 description 2
ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
241000982822 Ficus obtusifolia Species 0.000 description 1
108010046334 Urease Proteins 0.000 description 1
239000001099 ammonium carbonate Substances 0.000 description 1
235000012501 ammonium carbonate Nutrition 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000010426 asphalt Substances 0.000 description 1
239000004035 construction material Substances 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
210000000613 ear canal Anatomy 0.000 description 1
230000005021 gait Effects 0.000 description 1
230000002706 hydrostatic effect Effects 0.000 description 1
238000007654 immersion Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
230000002262 irrigation Effects 0.000 description 1
238000003973 irrigation Methods 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
229910000069 nitrogen hydride Inorganic materials 0.000 description 1
238000005192 partition Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000036647 reaction Effects 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
239000002002 slurry Substances 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
- 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
- C07C273/08—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 ammoniacal liquor

Landscapes

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

NO831532A 1981-09-01 1983-04-29 Fremgangsmaate ved fremstilling av urea. NO831532L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8104039A NL8104039A (nl)	1981-09-01	1981-09-01	Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number	Publication Date
NO831532L true NO831532L (no)	1983-04-29

Family

ID=19837995

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO831532A NO831532L (no)	1981-09-01	1983-04-29	Fremgangsmaate ved fremstilling av urea.

Country Status (15)

Country	Link
EP (1)	EP0086804A1 (it)
JP (1)	JPS58501374A (it)
KR (1)	KR840001132A (it)
BR (1)	BR8207840A (it)
DD (1)	DD204250A5 (it)
ES (1)	ES8306104A1 (it)
GB (1)	GB2107704A (it)
GR (1)	GR76909B (it)
IT (1)	IT1149070B (it)
NL (1)	NL8104039A (it)
NO (1)	NO831532L (it)
OA (1)	OA07201A (it)
PL (1)	PL238093A1 (it)
WO (1)	WO1983000861A1 (it)
ZA (1)	ZA825789B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8303424A (nl) *	1983-10-06	1985-05-01	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
IT1290423B1 (it) *	1996-10-17	1998-12-03	Eurotecnica Contractors And En	Procedimento per la sintesi di urea da anidride carbonica e ammoniaca
RU2529462C1 (ru) *	2013-05-15	2014-09-27	Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК")	Способ получения карбамида

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1618867A1 (de) *	1966-03-29	1972-03-30	Sumitomo Chemical Co	Verfahren zur Herstellung von Harnstoff
CH468356A (de) *	1966-04-05	1969-02-15	Inventa Ag	Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches
NL168506C (nl) *	1970-12-31	1982-04-16	Stamicarbon	Werkwijze voor de bereiding van ureum.
BE787832A (fr) *	1971-09-02	1973-02-22	Stamicarbon	Procede pour la preparation d'uree
NL7307036A (it) *	1973-05-21	1974-11-25

1981
- 1981-09-01 NL NL8104039A patent/NL8104039A/nl not_active Application Discontinuation
1982
- 1982-08-10 ZA ZA825789A patent/ZA825789B/xx unknown
- 1982-08-30 DD DD82242880A patent/DD204250A5/de unknown
- 1982-08-30 GR GR69157A patent/GR76909B/el unknown
- 1982-08-30 IT IT49046/82A patent/IT1149070B/it active
- 1982-08-31 EP EP82902529A patent/EP0086804A1/en not_active Withdrawn
- 1982-08-31 KR KR1019820003930A patent/KR840001132A/ko unknown
- 1982-08-31 WO PCT/EP1982/000187 patent/WO1983000861A1/en not_active Application Discontinuation
- 1982-08-31 ES ES515378A patent/ES8306104A1/es not_active Expired
- 1982-08-31 JP JP57502599A patent/JPS58501374A/ja active Pending
- 1982-08-31 BR BR8207840A patent/BR8207840A/pt unknown
- 1982-08-31 PL PL23809382A patent/PL238093A1/xx unknown
- 1982-09-01 OA OA57793A patent/OA07201A/xx unknown
- 1982-09-01 GB GB08224952A patent/GB2107704A/en not_active Withdrawn
1983
- 1983-04-29 NO NO831532A patent/NO831532L/no unknown

Also Published As

Publication number	Publication date
GB2107704A (en)	1983-05-05
ZA825789B (en)	1983-06-29
KR840001132A (ko)	1984-03-28
WO1983000861A1 (en)	1983-03-17
EP0086804A1 (en)	1983-08-31
PL238093A1 (en)	1983-03-28
ES515378A0 (es)	1983-05-01
DD204250A5 (de)	1983-11-23
BR8207840A (pt)	1983-09-06
IT8249046A0 (it)	1982-08-30
JPS58501374A (ja)	1983-08-18
IT1149070B (it)	1986-12-03
GR76909B (it)	1984-09-04
OA07201A (fr)	1984-04-30
NL8104039A (nl)	1983-04-05
ES8306104A1 (es)	1983-05-01

Publication	Publication Date	Title
EP0155735B1 (en)	1988-10-19	Process for the preparation of urea
US6426434B1 (en)	2002-07-30	Process for the synthesis of urea
US5523483A (en)	1996-06-04	Integrated urea/ammonia process
US4354040A (en)	1982-10-12	Process for synthesizing urea
NO150480B (no)	1984-07-16	Fremgangsmaate for gjenvinning av uomsatte materialer og varme fra en urea-syntese
US6231827B1 (en)	2001-05-15	Process for combined production of ammonia and urea
EP3541780A1 (en)	2019-09-25	A process for integrated production of urea and urea-ammonium nitrate
US5359140A (en)	1994-10-25	Urea production process of high energy efficiency
US4869887A (en)	1989-09-26	Integrated ammonia-urea process
EP0086805B1 (en)	1986-07-09	Process for the preparation of urea
NO831532L (no)	1983-04-29	Fremgangsmaate ved fremstilling av urea.
US3091637A (en)	1963-05-28	Dual cycle urea synthesis process
NO161315B (no)	1989-04-24	Fremgangsmaate ved fremstilling av urea.
US3301897A (en)	1967-01-31	Process for urea synthesis
US4081469A (en)	1978-03-28	Process for separating and recovering unreacted materials in urea synthesis
US3531521A (en)	1970-09-29	Method for synthesis of urea
US1908715A (en)	1933-05-16	Urea synthesis
US4036878A (en)	1977-07-19	Process for preparing urea
US4001320A (en)	1977-01-04	Method for controlling the ammonia and CO2 ratios in a urea manufacturing process
US4092358A (en)	1978-05-30	Process for the production of urea having a low carbamate content
CA2177003C (en)	2004-01-20	Method for the preparation of urea
US4053508A (en)	1977-10-11	Process and installation for preparing urea from ammonia and carbon dioxide
NO124031B (it)	1972-02-21
US3347915A (en)	1967-10-17	Production of urea
US3248425A (en)	1966-04-26	Process for returning carbon dioxide and ammonia in the synthesis of urea