NL8101174A - Werkwijze voor de bereiding van ureum. - Google Patents

Werkwijze voor de bereiding van ureum. Download PDF

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Publication number
NL8101174A
NL8101174A NL8101174A NL8101174A NL8101174A NL 8101174 A NL8101174 A NL 8101174A NL 8101174 A NL8101174 A NL 8101174A NL 8101174 A NL8101174 A NL 8101174A NL 8101174 A NL8101174 A NL 8101174A
Authority
NL
Netherlands
Prior art keywords
pressure
kpa
vapor
ejector
urea
Prior art date
Application number
NL8101174A
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.)
Filing date
Publication date
Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Priority to NL8101174A priority Critical patent/NL8101174A/nl
Priority to YU00481/82A priority patent/YU48182A/xx
Priority to MA19609A priority patent/MA19404A1/fr
Priority to RO106866A priority patent/RO84765B/ro
Priority to BR8201298A priority patent/BR8201298A/pt
Priority to AU81250/82A priority patent/AU8125082A/en
Priority to ZW44/82A priority patent/ZW4482A1/xx
Priority to KR1019820001030A priority patent/KR830009010A/ko
Priority to ZA821595A priority patent/ZA821595B/xx
Priority to FI820829A priority patent/FI820829A7/fi
Priority to IL65220A priority patent/IL65220A0/xx
Priority to NO820778A priority patent/NO820778L/no
Priority to ES510282A priority patent/ES510282A0/es
Priority to JP57037316A priority patent/JPS57159756A/ja
Priority to OA57634A priority patent/OA07039A/xx
Priority to PT74566A priority patent/PT74566B/pt
Priority to AT82101925T priority patent/ATE7905T1/de
Priority to PL23539982A priority patent/PL235399A1/xx
Priority to DE8282101925T priority patent/DE3260234D1/de
Priority to CS821668A priority patent/CS227344B2/cs
Priority to EP82101925A priority patent/EP0060511B1/en
Priority to DD82238072A priority patent/DD202535A5/de
Publication of NL8101174A publication Critical patent/NL8101174A/nl

Links

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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/02—Salts; Complexes; Addition compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Saccharide Compounds (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Catalysts (AREA)
  • Electroluminescent Light Sources (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Steroid Compounds (AREA)
NL8101174A 1981-03-11 1981-03-11 Werkwijze voor de bereiding van ureum. NL8101174A (nl)

Priority Applications (22)

Application Number Priority Date Filing Date Title
NL8101174A NL8101174A (nl) 1981-03-11 1981-03-11 Werkwijze voor de bereiding van ureum.
YU00481/82A YU48182A (en) 1981-03-11 1982-03-05 Process for obtaining carbamides
MA19609A MA19404A1 (fr) 1981-03-11 1982-03-05 Procede pour la preparation de l'uree
RO106866A RO84765B (ro) 1981-03-11 1982-03-10 Procedeu pentru prepararea unei solutii concentrate de uree
BR8201298A BR8201298A (pt) 1981-03-11 1982-03-10 Processo para a preparacao de ureia
AU81250/82A AU8125082A (en) 1981-03-11 1982-03-10 Preparation of urea
ZW44/82A ZW4482A1 (en) 1981-03-11 1982-03-10 Process for the preparation of urea
KR1019820001030A KR830009010A (ko) 1981-03-11 1982-03-10 요소 제조방법
ZA821595A ZA821595B (en) 1981-03-11 1982-03-10 Process for the preparation of urea
FI820829A FI820829A7 (fi) 1981-03-11 1982-03-10 Menetelmä urean valmistamiseksi.
IL65220A IL65220A0 (en) 1981-03-11 1982-03-10 Preparation of urea
NO820778A NO820778L (no) 1981-03-11 1982-03-10 Fremgangsmaate ved fremstilling av urea.
ES510282A ES510282A0 (es) 1981-03-11 1982-03-10 "un procedimiento mejorado para la preparacion de urea".
JP57037316A JPS57159756A (en) 1981-03-11 1982-03-11 Urea manufacture
OA57634A OA07039A (fr) 1981-03-11 1982-03-11 Procédé de préparation d'urée.
PT74566A PT74566B (en) 1981-03-11 1982-03-11 Process for the preparation of urea
AT82101925T ATE7905T1 (de) 1981-03-11 1982-03-11 Verfahren zur harnstoffherstellung.
PL23539982A PL235399A1 (cs) 1981-03-11 1982-03-11
DE8282101925T DE3260234D1 (en) 1981-03-11 1982-03-11 Process for the preparation of urea
CS821668A CS227344B2 (en) 1981-03-11 1982-03-11 Method of producing urea
EP82101925A EP0060511B1 (en) 1981-03-11 1982-03-11 Process for the preparation of urea
DD82238072A DD202535A5 (de) 1981-03-11 1982-03-11 Verfahren zur herstellung von harnstoff

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8101174A NL8101174A (nl) 1981-03-11 1981-03-11 Werkwijze voor de bereiding van ureum.
NL8101174 1981-03-11

Publications (1)

Publication Number Publication Date
NL8101174A true NL8101174A (nl) 1982-10-01

Family

ID=19837140

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8101174A NL8101174A (nl) 1981-03-11 1981-03-11 Werkwijze voor de bereiding van ureum.

Country Status (22)

Country Link
EP (1) EP0060511B1 (cs)
JP (1) JPS57159756A (cs)
KR (1) KR830009010A (cs)
AT (1) ATE7905T1 (cs)
AU (1) AU8125082A (cs)
BR (1) BR8201298A (cs)
CS (1) CS227344B2 (cs)
DD (1) DD202535A5 (cs)
DE (1) DE3260234D1 (cs)
ES (1) ES510282A0 (cs)
FI (1) FI820829A7 (cs)
IL (1) IL65220A0 (cs)
MA (1) MA19404A1 (cs)
NL (1) NL8101174A (cs)
NO (1) NO820778L (cs)
OA (1) OA07039A (cs)
PL (1) PL235399A1 (cs)
PT (1) PT74566B (cs)
RO (1) RO84765B (cs)
YU (1) YU48182A (cs)
ZA (1) ZA821595B (cs)
ZW (1) ZW4482A1 (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1491526A1 (en) * 2003-06-27 2004-12-29 Urea Casale S.A. Process and plant for urea production
EP3736415A1 (en) * 2019-05-10 2020-11-11 Yara International ASA Steam network assembly for a plant comprising an ammonia-producing unit and a urea-producing unit
CN113416154B (zh) * 2021-07-30 2023-01-17 新疆心连心能源化工有限公司 尿素合成未反应物循环回收方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406201A (en) * 1965-06-18 1968-10-15 Exxon Research Engineering Co Urea synthesis
YU34282B (en) * 1967-12-14 1979-04-30 Snam Progetti Process for the decomposition and recyclation of unreacted ammonium carbamate into the reactor for the synthesis of carbamide
AT284138B (de) * 1968-02-06 1970-09-10 Snam Progetti Verfahren zur Herstellung von Harnstoff
NL165712C (nl) * 1970-05-30 1981-05-15 Stamicarbon Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese.
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 (cs) * 1973-05-21 1974-11-25
NL7612162A (nl) * 1976-11-03 1978-05-08 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2.

Also Published As

Publication number Publication date
FI820829L (fi) 1982-09-12
IL65220A0 (en) 1982-05-31
NO820778L (no) 1982-09-13
RO84765B (ro) 1984-09-30
DE3260234D1 (en) 1984-07-19
PT74566B (en) 1983-11-07
CS227344B2 (en) 1984-04-16
YU48182A (en) 1985-03-20
EP0060511B1 (en) 1984-06-13
PT74566A (en) 1982-04-01
PL235399A1 (cs) 1982-10-11
FI820829A7 (fi) 1982-09-12
BR8201298A (pt) 1983-01-25
ZA821595B (en) 1983-01-26
JPS57159756A (en) 1982-10-01
AU8125082A (en) 1982-09-16
ES8303302A1 (es) 1983-02-01
RO84765A (ro) 1984-08-17
MA19404A1 (fr) 1982-10-01
KR830009010A (ko) 1983-12-17
ES510282A0 (es) 1983-02-01
ATE7905T1 (de) 1984-06-15
ZW4482A1 (en) 1982-07-14
DD202535A5 (de) 1983-09-21
OA07039A (fr) 1983-12-31
EP0060511A1 (en) 1982-09-22

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed