PH14765A - Improved process for the synthesis of urea - Google Patents

Improved process for the synthesis of urea

Info

Publication number
PH14765A
PH14765A PH14765A PH21083A PH14765A PH 14765 A PH14765 A PH 14765A PH 14765 A PH14765 A PH 14765A PH 21083 A PH21083 A PH 21083A PH 14765 A PH14765 A PH 14765A
Authority
PH
Philippines
Prior art keywords
urea
synthesis
improved process
improved
Prior art date
Application number
PH14765A
Other languages
English (en)
Inventor
Giorgio Pagani
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 PH14765A publication Critical patent/PH14765A/en

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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PH14765A 1977-05-05 1978-04-28 Improved process for the synthesis of urea PH14765A (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 (1)

Publication Number Publication Date
PH14765A true PH14765A (en) 1981-11-20

Family

ID=27452890

Family Applications (1)

Application Number Title Priority Date Filing Date
PH14765A PH14765A (en) 1977-05-05 1978-04-28 Improved process for the synthesis of urea

Country Status (26)

Country Link
US (1) US4208347A (sv)
JP (1) JPS53149930A (sv)
AR (1) AR215178A1 (sv)
AT (1) AT363953B (sv)
BE (1) BE866730A (sv)
BG (1) BG35038A3 (sv)
BR (1) BR7802746A (sv)
CA (1) CA1111446A (sv)
CH (1) CH634553A5 (sv)
CS (1) CS220318B2 (sv)
DD (1) DD135196A5 (sv)
DE (1) DE2819218C2 (sv)
ES (1) ES469448A1 (sv)
FR (1) FR2389601B1 (sv)
GB (1) GB1581505A (sv)
HU (1) HU180880B (sv)
IL (1) IL54613A (sv)
IN (1) IN148481B (sv)
MX (1) MX151430A (sv)
NL (1) NL174548C (sv)
NO (1) NO150512C (sv)
PH (1) PH14765A (sv)
PT (1) PT67972B (sv)
RO (1) RO78855A (sv)
SE (1) SE446978B (sv)
YU (1) YU40038B (sv)

Families Citing this family (22)

* 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
EP0096151B1 (en) * 1982-06-03 1986-07-23 Montedison S.p.A. Method for avoiding the corrosion of strippers in urea manufacturing plants
IT1163783B (it) * 1983-07-14 1987-04-08 Montedison Spa Processo per la produzione di urea con bassi consumi di vapore
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.
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
JP3987607B2 (ja) * 1996-10-07 2007-10-10 東洋エンジニアリング株式会社 改良された尿素合成方法および装置
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
JPWO2014192823A1 (ja) 2013-05-28 2017-02-23 東洋エンジニアリング株式会社 尿素合成方法
WO2016085343A1 (en) * 2014-11-27 2016-06-02 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
NL250349A (sv) * 1960-04-08
NL137580B (sv) * 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
NO145949C (no) * 1967-09-29 1982-06-30 Snam Progetti Fremgangsmaate for fremstilling av urea
AT284138B (de) * 1968-02-06 1970-09-10 Snam Progetti Verfahren zur Herstellung von Harnstoff
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
BE757274A (fr) * 1969-10-16 1971-03-16 Snam Progetti Procede de production d'uree
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

Also Published As

Publication number Publication date
SE446978B (sv) 1986-10-20
US4208347A (en) 1980-06-17
PT67972B (en) 1979-10-22
IN148481B (sv) 1981-03-07
BG35038A3 (en) 1984-01-16
DD135196A5 (de) 1979-04-18
BE866730A (fr) 1978-11-06
GB1581505A (en) 1980-12-17
AR215178A1 (es) 1979-09-14
DE2819218A1 (de) 1978-11-16
NL7804520A (nl) 1978-11-07
CH634553A5 (de) 1983-02-15
HU180880B (en) 1983-04-29
CA1111446A (en) 1981-10-27
ES469448A1 (es) 1979-10-01
BR7802746A (pt) 1979-01-02
NO150512C (no) 1984-10-31
IL54613A0 (en) 1978-07-31
NL174548C (nl) 1988-05-16
AT363953B (de) 1981-09-10
NO150512B (no) 1984-07-23
SE7804839L (sv) 1978-11-06
FR2389601B1 (sv) 1980-06-20
PT67972A (en) 1978-06-01
MX151430A (es) 1984-11-21
RO78855A (ro) 1982-08-17
IL54613A (en) 1981-11-30
JPS53149930A (en) 1978-12-27
ATA315578A (de) 1981-02-15
YU107378A (en) 1982-10-31
NO781486L (no) 1978-11-07
CS220318B2 (en) 1983-03-25
FR2389601A1 (sv) 1978-12-01
DE2819218C2 (de) 1987-04-09
YU40038B (en) 1985-06-30
JPS6125025B2 (sv) 1986-06-13
NL174548B (nl) 1984-02-01

Similar Documents

Publication Publication Date Title
GB2017071B (en) Ammonia synthesis process
PH14765A (en) Improved process for the synthesis of urea
GB2006212B (en) Process for the preparation of d(-)-a-phenylglycine
GR62641B (en) Process for the purification of anthocyanes
PT67662B (en) Process for the preparation of substituted ureas
GB2059965B (en) Synthesis of urea
DE2860181D1 (en) Process for the preparation of piperonylidenecroton amides
GB2006201B (en) Process for the production of nitroguanidine
DE2860322D1 (en) Process for the preparation of piperonylidenecroton amides
JPS5460299A (en) Synthesis of ammonia
GB2009151B (en) Process for the manufacture of substituted dihydrocinnamaldehydes
YU42714B (en) Process for the synthesis of ammonia
GB2033776B (en) Catalyst for the production of ammonia
IL52413A (en) Process for the preparazione of 5-chloro-6-sulfamyl-isoindolinone derivatives
PT68486A (en) Improved process for the preparation of 2-clorosulfinila zeditin-4-onas
YU292276A (en) Process for the synthesis of n-methyl urea
GB2010276B (en) Process for the manufacture of 21-hydroxy-20-methylpregnane derivatives
GB2006764B (en) Process for the preparation of 4-chloroquinolines
GB2001957B (en) Process for the preparation of 2-alkoxy-tetrahydrofurans
DE2860809D1 (en) Process for the preparation of 3-pyridazinones
HU175254B (hu) Sposob poluchenija di-n-propil-acetamida
IL54372A (en) Process for the preparation of d thiazolidine-azetidinone
GB1550327A (en) Process for the manufacture of chromenoindole compounds
ZA782547B (en) Improved process for the synthesis of urea
DE2860619D1 (en) Process for the preparation of morpholino-dithiothiazoles

Legal Events

Date Code Title Description
AT Record of annual fee payments

Year of fee payment: 13