NO751695L - - Google Patents

Info

Publication number
NO751695L
NO751695L NO751695A NO751695A NO751695L NO 751695 L NO751695 L NO 751695L NO 751695 A NO751695 A NO 751695A NO 751695 A NO751695 A NO 751695A NO 751695 L NO751695 L NO 751695L
Authority
NO
Norway
Application number
NO751695A
Other languages
Norwegian (no)
Other versions
NO149959B (no
NO149959C (no
Inventor
S Chikaoka
H Miyakawa
N Seki
Original Assignee
Mitsui Toatsu Chemicals
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 Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of NO751695L publication Critical patent/NO751695L/no
Publication of NO149959B publication Critical patent/NO149959B/no
Publication of NO149959C publication Critical patent/NO149959C/no

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glanulating (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
NO751695A 1974-05-14 1975-05-13 Fremgangsmaate for fremstilling av urea ved omsetning av ammoniakk med karbondioksyd NO149959C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5289174A JPS555977B2 (fr) 1974-05-14 1974-05-14

Publications (3)

Publication Number Publication Date
NO751695L true NO751695L (fr) 1975-11-17
NO149959B NO149959B (no) 1984-04-16
NO149959C NO149959C (no) 1984-07-25

Family

ID=12927475

Family Applications (1)

Application Number Title Priority Date Filing Date
NO751695A NO149959C (no) 1974-05-14 1975-05-13 Fremgangsmaate for fremstilling av urea ved omsetning av ammoniakk med karbondioksyd

Country Status (14)

Country Link
US (1) US4003801A (fr)
JP (1) JPS555977B2 (fr)
AT (1) AT347474B (fr)
BE (1) BE828819A (fr)
BR (1) BR7502789A (fr)
CA (1) CA1044257A (fr)
DE (1) DE2521507B2 (fr)
EG (1) EG11673A (fr)
ES (1) ES437246A1 (fr)
FR (1) FR2271200B1 (fr)
GB (1) GB1453422A (fr)
IN (1) IN140496B (fr)
NL (1) NL171266B (fr)
NO (1) NO149959C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
JPS5982081A (ja) * 1982-10-29 1984-05-11 Sanwa Shoji Kk 醗酵液の処理法およびその装置
US5744009A (en) * 1995-07-07 1998-04-28 The M. W. Kellogg Company Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator
NL1022526C2 (nl) * 2003-01-30 2004-08-04 Dsm Nv Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O.
EP2153880A1 (fr) * 2008-07-31 2010-02-17 Urea Casale S.A. Procédé et installation pour la production d'une solution d'urée à utiliser dans le procédé SCR pour la réduction de Nox
WO2013025109A1 (fr) * 2011-08-17 2013-02-21 Stamicarbon B.V. Procédé de production d'urée caractérisé par un court temps de transport de masse fondue d'urée entre le dernier concentrateur et la tour de grelonage
WO2013165245A1 (fr) * 2012-05-03 2013-11-07 Stamicarbon B.V. Usine de production d'urée
IT201700121364A1 (it) * 2017-10-25 2019-04-25 Saipem Spa Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea
JP6949693B2 (ja) * 2017-12-08 2021-10-13 東洋エンジニアリング株式会社 尿素、アンモニア及び二酸化炭素を含む水溶液の処理方法並びに処理設備
DE102019208859A1 (de) * 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506710A (en) * 1966-10-14 1970-04-14 Toyo Koatsu Ind Inc Urea synthesis process with solution recycle
US3573173A (en) * 1968-07-24 1971-03-30 Mitsui Toatsu Chemicals Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia
JPS4919259B1 (fr) * 1969-08-30 1974-05-16
JPS5535378B2 (fr) * 1973-02-14 1980-09-12

Also Published As

Publication number Publication date
CA1044257A (fr) 1978-12-12
GB1453422A (en) 1976-10-20
JPS555977B2 (fr) 1980-02-12
NL171266B (nl) 1982-10-01
NL7505667A (nl) 1975-11-18
FR2271200B1 (fr) 1980-08-01
AT347474B (de) 1978-12-27
ATA369175A (de) 1978-05-15
ES437246A1 (es) 1977-01-16
JPS50142515A (fr) 1975-11-17
DE2521507A1 (de) 1975-11-27
NO149959B (no) 1984-04-16
BE828819A (fr) 1975-09-01
DE2521507B2 (de) 1978-01-19
IN140496B (fr) 1976-11-20
FR2271200A1 (fr) 1975-12-12
US4003801A (en) 1977-01-18
NO149959C (no) 1984-07-25
BR7502789A (pt) 1976-03-09
EG11673A (en) 1977-10-31

Similar Documents

Publication Publication Date Title
FR2279009B1 (fr)
FR2273294A1 (fr)
FR2269150B1 (fr)
DK85975A (fr)
JPS5549040B2 (fr)
FR2291620B1 (fr)
FR2271200B1 (fr)
FR2278311B1 (fr)
FR2259434B1 (fr)
AU495930B2 (fr)
JPS50101669A (fr)
JPS50103754A (fr)
CS171498B1 (fr)
DE2456063A1 (fr)
FR2266664A1 (fr)
JPS50100456A (fr)
BG19987A1 (fr)
BG20462A1 (fr)
AU480863A (fr)
BG19768A1 (fr)
AU479765A (fr)
AU480208A (fr)
AU480758A (fr)
CH582307A5 (fr)
CH569666A5 (fr)