JPS53149930A - Improved method of synthesizing urea - Google Patents

Improved method of synthesizing urea

Info

Publication number
JPS53149930A
JPS53149930A JP5016378A JP5016378A JPS53149930A JP S53149930 A JPS53149930 A JP S53149930A JP 5016378 A JP5016378 A JP 5016378A JP 5016378 A JP5016378 A JP 5016378A JP S53149930 A JPS53149930 A JP S53149930A
Authority
JP
Japan
Prior art keywords
improved method
synthesizing urea
synthesizing
urea
improved
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP5016378A
Other languages
English (en)
Other versions
JPS6125025B2 (ja
Inventor
Pagani Jiyorujiyo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Montedison SpA
Original Assignee
Montedison SpA
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
Priority claimed from IT2321477A external-priority patent/IT1107738B/it
Priority claimed from IT2321377A external-priority patent/IT1107736B/it
Priority claimed from IT2371077A external-priority patent/IT1109458B/it
Priority claimed from IT2371177A external-priority patent/IT1107739B/it
Application filed by Montedison SpA filed Critical Montedison SpA
Publication of JPS53149930A publication Critical patent/JPS53149930A/ja
Publication of JPS6125025B2 publication Critical patent/JPS6125025B2/ja
Granted legal-status Critical Current

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
    • C07C273/04Preparation 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP5016378A 1977-05-05 1978-04-28 Improved method of synthesizing urea Granted JPS53149930A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT2321477A IT1107738B (it) 1977-05-05 1977-05-05 Procedimento per la sintesi dell'urea e impianto per il medesimo
IT2321377A IT1107736B (it) 1977-05-05 1977-05-05 Processo per la sintesi dell'urea
IT2371077A IT1109458B (it) 1977-05-18 1977-05-18 Processo per la sintesi dell'urea
IT2371177A IT1107739B (it) 1977-05-18 1977-05-18 Procedimento per la sintesi dell'urea e impianto per il medesimo

Publications (2)

Publication Number Publication Date
JPS53149930A true JPS53149930A (en) 1978-12-27
JPS6125025B2 JPS6125025B2 (ja) 1986-06-13

Family

ID=27452890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5016378A Granted JPS53149930A (en) 1977-05-05 1978-04-28 Improved method of synthesizing urea

Country Status (26)

Country Link
US (1) US4208347A (ja)
JP (1) JPS53149930A (ja)
AR (1) AR215178A1 (ja)
AT (1) AT363953B (ja)
BE (1) BE866730A (ja)
BG (1) BG35038A3 (ja)
BR (1) BR7802746A (ja)
CA (1) CA1111446A (ja)
CH (1) CH634553A5 (ja)
CS (1) CS220318B2 (ja)
DD (1) DD135196A5 (ja)
DE (1) DE2819218A1 (ja)
ES (1) ES469448A1 (ja)
FR (1) FR2389601B1 (ja)
GB (1) GB1581505A (ja)
HU (1) HU180880B (ja)
IL (1) IL54613A (ja)
IN (1) IN148481B (ja)
MX (1) MX151430A (ja)
NL (1) NL174548C (ja)
NO (1) NO150512C (ja)
PH (1) PH14765A (ja)
PT (1) PT67972B (ja)
RO (1) RO78855A (ja)
SE (1) SE446978B (ja)
YU (1) YU40038B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5936122A (en) * 1996-10-07 1999-08-10 Toyo Engineering Corporation Urea synthesis process and apparatus therefor
US9890114B2 (en) 2013-05-28 2018-02-13 Toyo Engineering Corporation Urea synthesis method

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1174366B (it) * 1978-07-24 1987-07-01 Ortu Francesco Decompositore di carbammato per produzione industriale di urea
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
JPS5811432B2 (ja) * 1979-10-08 1983-03-02 三井東圧化学株式会社 尿素合成法
IT1141030B (it) * 1980-08-29 1986-10-01 Snam Progetti Procedimento per la produzione di urea
IT1211125B (it) * 1981-10-16 1989-09-29 Ortu Francesco Composti azotati. processo per la preparazione di
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法
DE3364579D1 (en) * 1982-06-03 1986-08-28 Montedison Spa Method for avoiding the corrosion of strippers in urea manufacturing plants
IT1212524B (it) 1982-06-08 1989-11-30 Montedison Spa Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea.
IT1163783B (it) * 1983-07-14 1987-04-08 Montedison Spa Processo per la produzione di urea con bassi consumi di vapore
EP0180704B1 (fr) * 1984-05-19 1988-10-12 Ammonia Casale S.A. Procédé perfectionné pour la production de l'urée
JPH082859B2 (ja) * 1987-02-24 1996-01-17 東洋エンジニアリング株式会社 尿素製造方法
IT1245396B (it) * 1991-03-22 1994-09-20 Snam Progetti Procedimento per la produzione di urea ad elevata efficienza energetica
JPH08191534A (ja) * 1995-01-06 1996-07-23 Daido Denki Kogyo Kk マニピュレータ工法態様の配電用引留クランプ
IT1274362B (it) * 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
IT1275451B (it) * 1995-06-30 1997-08-07 Snam Progetti Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
US7687041B2 (en) * 2008-02-27 2010-03-30 Kellogg Brown & Root Llc Apparatus and methods for urea production
ITMI20110804A1 (it) 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
EP3224223B1 (en) * 2014-11-27 2019-04-24 Stamicarbon B.V. Method and plant for producing urea-ammonium nitrate (uan)
CN107834017B (zh) * 2017-11-02 2024-03-19 利信(江苏)能源科技有限责任公司 锂电池等压注液装置及其注液方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049563A (en) * 1957-04-05 1962-08-14 Sxpaf
NL101446C (ja) * 1960-04-08
BE629821A (ja) * 1962-03-22 1900-01-01
US4001320A (en) * 1966-04-22 1977-01-04 Stamicarbon B.V. Method for controlling the ammonia and CO2 ratios in a urea manufacturing process
AT290545B (de) * 1967-09-29 1971-06-11 Snam Progetti Verfahren zur Herstellung von Harnstoff mit niedrigem Carbamatgehalt
AT284138B (de) * 1968-02-06 1970-09-10 Snam Progetti Verfahren zur Herstellung von Harnstoff
BE757274A (fr) * 1969-10-16 1971-03-16 Snam Progetti Procede de production d'uree
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
US4013718A (en) * 1970-09-03 1977-03-22 Snam Progetti S.P.A. Integrated process for the production of urea
NL168506C (nl) * 1970-12-31 1982-04-16 Stamicarbon Werkwijze voor de bereiding van ureum.
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
US4036878A (en) * 1972-06-12 1977-07-19 Unie Van Kunstmestfabrieken, B.V. Process for preparing urea
IT1014987B (it) * 1974-06-12 1977-04-30 Snam Progetti Procedimento integrato urea am moniaca

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5936122A (en) * 1996-10-07 1999-08-10 Toyo Engineering Corporation Urea synthesis process and apparatus therefor
US9890114B2 (en) 2013-05-28 2018-02-13 Toyo Engineering Corporation Urea synthesis method

Also Published As

Publication number Publication date
FR2389601B1 (ja) 1980-06-20
MX151430A (es) 1984-11-21
ATA315578A (de) 1981-02-15
PT67972A (en) 1978-06-01
DD135196A5 (de) 1979-04-18
IN148481B (ja) 1981-03-07
RO78855A (ro) 1982-08-17
CH634553A5 (de) 1983-02-15
CS220318B2 (en) 1983-03-25
PH14765A (en) 1981-11-20
IL54613A0 (en) 1978-07-31
PT67972B (en) 1979-10-22
SE446978B (sv) 1986-10-20
AR215178A1 (es) 1979-09-14
CA1111446A (en) 1981-10-27
BR7802746A (pt) 1979-01-02
NO150512C (no) 1984-10-31
YU40038B (en) 1985-06-30
US4208347A (en) 1980-06-17
BE866730A (fr) 1978-11-06
NL174548C (nl) 1988-05-16
FR2389601A1 (ja) 1978-12-01
DE2819218C2 (ja) 1987-04-09
AT363953B (de) 1981-09-10
YU107378A (en) 1982-10-31
IL54613A (en) 1981-11-30
GB1581505A (en) 1980-12-17
JPS6125025B2 (ja) 1986-06-13
BG35038A3 (en) 1984-01-16
SE7804839L (sv) 1978-11-06
DE2819218A1 (de) 1978-11-16
HU180880B (en) 1983-04-29
NO150512B (no) 1984-07-23
NO781486L (no) 1978-11-07
NL174548B (nl) 1984-02-01
NL7804520A (nl) 1978-11-07
ES469448A1 (es) 1979-10-01

Similar Documents

Publication Publication Date Title
JPS5416427A (en) Improved method of glanulating urea
JPS53149930A (en) Improved method of synthesizing urea
JPS5422208A (en) Method of photogravuring
JPS5398996A (en) Method of synthesizing mesotrexate
JPS53134798A (en) Method of synthesizing zeolite
BG28706A4 (en) Method of obtaining of n- substituated halogenacetamilides
JPS53132506A (en) Deenitroso method of nnnitroso compound
JPS549300A (en) Method of preparing hydroxynormorphin compound
JPS5490124A (en) Method of reduction
BG30175A4 (en) Method of obtaining of pyridon compounds
BG28574A3 (en) Method of obtaining of 4- diphenylmethylene- 1- hydroxybensylpiperidin
CS194843B2 (en) Method of preparing auranofine
JPS5415984A (en) Method of forming airrinntire
BG30174A4 (en) Method of obtaining of bensolcarbamides
DE2962955D1 (en) Method of synthesizing urea
JPS541281A (en) Method of synthesizing prganic or indrganic substances
JPS53119833A (en) Method of purieying ppphenylenediamine
JPS5414485A (en) Method of forming airrinntire
BG29285A3 (en) Method of obtaining of 3- di- n- propyl- acetoxy- benzodiazepin- 2- on
JPS53125558A (en) Method of fastening
JPS53112894A (en) Method of etherizing
JPS5417191A (en) Improved producing method of sake
JPS5439038A (en) Improved method of synthesizing terephthalicacid
JPS53137093A (en) Method of synthesizing ettringite
CS190055B1 (en) Method of preparing 5-amonitetrazole