NO900630L - Fremgangsmaate for oekt ureafremstilling. - Google Patents

Fremgangsmaate for oekt ureafremstilling.

Info

Publication number
NO900630L
NO900630L NO90900630A NO900630A NO900630L NO 900630 L NO900630 L NO 900630L NO 90900630 A NO90900630 A NO 90900630A NO 900630 A NO900630 A NO 900630A NO 900630 L NO900630 L NO 900630L
Authority
NO
Norway
Prior art keywords
pct
reaction mixture
ure
real
procedure
Prior art date
Application number
NO90900630A
Other languages
English (en)
Norwegian (no)
Other versions
NO900630D0 (no
Inventor
Max Linton
Anthony Martin Brown
Original Assignee
Austral Pacific Fertilizers
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 Austral Pacific Fertilizers filed Critical Austral Pacific Fertilizers
Publication of NO900630D0 publication Critical patent/NO900630D0/no
Publication of NO900630L publication Critical patent/NO900630L/no

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
NO90900630A 1987-08-13 1990-02-09 Fremgangsmaate for oekt ureafremstilling. NO900630L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI371187 1987-08-13
PCT/AU1988/000301 WO1989001468A1 (en) 1987-08-13 1988-08-12 Process for enhanced urea production

Publications (2)

Publication Number Publication Date
NO900630D0 NO900630D0 (no) 1990-02-09
NO900630L true NO900630L (no) 1990-04-11

Family

ID=3772379

Family Applications (1)

Application Number Title Priority Date Filing Date
NO90900630A NO900630L (no) 1987-08-13 1990-02-09 Fremgangsmaate for oekt ureafremstilling.

Country Status (12)

Country Link
US (1) US5053538A (sv)
EP (1) EP0375712B1 (sv)
JP (1) JPH03501017A (sv)
CN (1) CN1024920C (sv)
AT (1) ATE86975T1 (sv)
AU (1) AU612703B2 (sv)
CA (1) CA1332426C (sv)
DE (1) DE3879498D1 (sv)
IN (1) IN169678B (sv)
NO (1) NO900630L (sv)
RO (1) RO105331B1 (sv)
WO (1) WO1989001468A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000281638A (ja) 1999-03-26 2000-10-10 Snow Brand Milk Prod Co Ltd 尿素の分離方法
HU223808B1 (hu) * 1999-03-26 2005-02-28 Snow Brand Milk Products Co., Ltd. Eljárás karbamid izolálására, karbamidkompozíciók és eljárás az előállításukra
NL1012575C2 (nl) 1999-07-12 2001-01-15 Continental Engineering B V Werkwijze ter bereiding van ureum.
WO2001096287A1 (en) * 2000-06-15 2001-12-20 Urea Casale S.A. Process and plant for the production of urea
CN101148425B (zh) * 2006-09-22 2011-10-12 北京航天石化技术装备工程公司 一种尿素合成方法
IT1395383B1 (it) 2009-09-09 2012-09-14 Saipem Spa Metodo di separazione di ammoniaca e diossido di carbonio da soluzioni acquose
RO131559A2 (ro) * 2011-11-23 2016-12-30 Farid Alekovich Batullin Metodă pentru obţinerea carbamidei cristaline cu puritate ridicată
EP2690090A1 (en) * 2012-07-27 2014-01-29 Urea Casale SA Concentration of the urea solution in a process for the synthesis of urea

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147174A (en) * 1959-10-14 1964-09-01 Chemical Construction Corp Low moisture urea melt
BE632275A (sv) * 1963-02-01 1900-01-01
NO145949C (no) * 1967-09-29 1982-06-30 Snam Progetti Fremgangsmaate for fremstilling av urea
GB1269688A (en) * 1969-11-01 1972-04-06 Simon Eng Dudley Ltd Improvements in or relating to the production of urea
CH562786A5 (sv) * 1972-03-22 1975-06-13 Inventa Ag
CH581612A5 (sv) * 1973-09-13 1976-11-15 Inventa Ag
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
JPS5750954A (en) * 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea
US4331839A (en) * 1980-12-12 1982-05-25 Reliable Electric Company Telephone distribution frame connector assembly
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1211125B (it) * 1981-10-16 1989-09-29 Ortu Francesco Composti azotati. processo per la preparazione di

Also Published As

Publication number Publication date
IN169678B (sv) 1991-11-30
AU2310888A (en) 1989-03-09
EP0375712A4 (en) 1990-07-03
WO1989001468A1 (en) 1989-02-23
JPH03501017A (ja) 1991-03-07
NO900630D0 (no) 1990-02-09
US5053538A (en) 1991-10-01
ATE86975T1 (de) 1993-04-15
EP0375712B1 (en) 1993-03-17
CA1332426C (en) 1994-10-11
CN1033992A (zh) 1989-07-19
RO105331B1 (ro) 1995-05-20
AU612703B2 (en) 1991-07-18
EP0375712A1 (en) 1990-07-04
DE3879498D1 (de) 1993-04-22
CN1024920C (zh) 1994-06-08

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