SE425972B - Forfarande for framstellning av karbamid - Google Patents

Forfarande for framstellning av karbamid

Info

Publication number: SE425972B
Authority: SE; Sweden
Prior art keywords: procedure; carbamide; preparing; preparing carbamide
Prior art date: 1976-09-09

Application number

SE7710151A

Other languages

English (en)

Other versions

SE7710151L (sv

Inventor

U Zardi

V Lagana

Original Assignee

Snam Progetti

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.)

1976-09-09

Filing date

1977-09-09

Publication date

1982-11-29

1977-09-09 Application filed by Snam Progetti filed Critical Snam Progetti

1978-03-10 Publication of SE7710151L publication Critical patent/SE7710151L/sv

1982-11-29 Publication of SE425972B publication Critical patent/SE425972B/sv

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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

SE7710151A 1976-09-09 1977-09-09 Forfarande for framstellning av karbamid SE425972B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT27024/76A IT1068268B (it)	1976-09-09	1976-09-09	Procedimento per la produzione di urea e purificazione delle acque

Publications (2)

Publication Number	Publication Date
SE7710151L SE7710151L (sv)	1978-03-10
SE425972B true SE425972B (sv)	1982-11-29

Family

ID=11220800

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7710151A SE425972B (sv)	1976-09-09	1977-09-09	Forfarande for framstellning av karbamid

Country Status (24)

Country	Link
US (1)	US4314077A (sv)
JP (1)	JPS6058228B2 (sv)
AR (1)	AR219502A1 (sv)
AU (1)	AU511880B2 (sv)
BE (1)	BE858574A (sv)
BR (1)	BR7706063A (sv)
CA (1)	CA1106404A (sv)
CH (1)	CH625505A5 (sv)
CS (1)	CS205083B2 (sv)
DD (1)	DD133091A5 (sv)
DE (1)	DE2740358C2 (sv)
DK (1)	DK399577A (sv)
ES (1)	ES462234A1 (sv)
FR (1)	FR2364203A1 (sv)
GB (1)	GB1542371A (sv)
IE (1)	IE45681B1 (sv)
IN (1)	IN147029B (sv)
IT (1)	IT1068268B (sv)
LU (1)	LU78097A1 (sv)
MX (1)	MX150529A (sv)
NL (1)	NL7709968A (sv)
PL (1)	PL116475B1 (sv)
SE (1)	SE425972B (sv)
YU (1)	YU39132B (sv)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1141030B (it) *	1980-08-29	1986-10-01	Snam Progetti	Procedimento per la produzione di urea
NL8102391A (nl) *	1981-05-15	1982-12-01	Unie Van Kunstmestfab Bv	Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding.
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
JPS61109760A (ja) *	1984-11-02	1986-05-28	Toyo Eng Corp	尿素製造法
NL8502227A (nl) *	1985-08-12	1987-03-02	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8502228A (nl) *	1985-08-12	1987-03-02	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
JPS63112552A (ja) *	1986-10-30	1988-05-17	Toyo Eng Corp	未転化物の分離方法
IT1232669B (it) *	1989-09-15	1992-03-02	Snam Progetti	Procedimento per la produzione di urea con elevato rendimento energetico.
IT1232670B (it) *	1989-09-15	1992-03-02	Snam Progetti	Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea.
JP2000054950A (ja) *	1998-06-05	2000-02-22	Hanako Narutomi	常温度熱機関
US6511644B1 (en)	2000-08-28	2003-01-28	The Chemithon Corporation	Method for removing contaminants in reactors
US6761868B2 (en) *	2001-05-16	2004-07-13	The Chemithon Corporation	Process for quantitatively converting urea to ammonia on demand
NL1019848C2 (nl) *	2002-01-28	2003-07-30	Dsm Nv	Werkwijze voor de bereiding van ureum.
US6887449B2 (en) *	2002-11-21	2005-05-03	The Chemithon Corporation	Method of quantitatively producing ammonia from urea
US6990691B2 (en) *	2003-07-18	2006-01-31	Depuy Products, Inc.	Head gear apparatus
EP1918273A1 (en) *	2006-11-04	2008-05-07	Urea Casale S.A.	Process for urea production and related plant
EP2128129A1 (en)	2008-05-20	2009-12-02	Urea Casale S.A.	Method for the modernization of a urea production plant
EP2199279A1 (en)	2008-12-17	2010-06-23	Urea Casale S.A.	Improvement to the high-pressure loop in a process for synthesis of urea
EP2397463A1 (en) *	2010-06-16	2011-12-21	Urea Casale SA	Method for revamping a self-stripping urea plant
EP2502881A1 (en)	2011-03-24	2012-09-26	Urea Casale S.A.	Process and plant for ammonia-urea production
ITMI20120013A1 (it)	2012-01-09	2013-07-10	Saipem Spa	Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
EP2784062A1 (en)	2013-03-27	2014-10-01	Urea Casale SA	Method for revamping a self-stripping urea plant
WO2017171546A1 (en)	2016-03-30	2017-10-05	Stamicarbon B.V.	Urea production with bi-pressurized synthesis
EP3452212B1 (en)	2016-05-03	2020-02-12	Stamicarbon B.V.	Urea production with controlled biuret
PL3452444T3 (pl)	2016-05-03	2020-12-14	Stamicarbon B.V.	Kontrola biuretu w produkcji mocznika
JP6862381B2 (ja)	2018-03-02	2021-04-21	株式会社東芝	半導体装置
JP7088770B2 (ja)	2018-07-26	2022-06-21	東洋エンジニアリング株式会社	尿素製造方法および装置
CA3124342C (en) *	2018-12-21	2023-01-03	Stamicarbon B.V.	Urea production process and plant with heat integration in low pressure recovery section
CN113603113A (zh) *	2021-09-17	2021-11-05	浙江建业微电子材料有限公司	一种适用于电子级氨气与氨水的生产装置及其生产方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU37505A1 (sv) *	1958-08-08
CH468356A (de) *	1966-04-05	1969-02-15	Inventa Ag	Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches
US3876696A (en) *	1968-09-03	1975-04-08	Snam Progetti	Process for the production of urea having a low carbamate content
US4036878A (en) *	1972-06-12	1977-07-19	Unie Van Kunstmestfabrieken, B.V.	Process for preparing urea
US3826815A (en) *	1972-06-21	1974-07-30	I Mavrovic	Recovery of residual ammonia from weak aqueous solutions thereof
JPS5535378B2 (sv) *	1973-02-14	1980-09-12
US3922222A (en) *	1973-02-20	1975-11-25	Cf Ind	Method for treatment of urea crystallizer condensate
IT1014987B (it) *	1974-06-12	1977-04-30	Snam Progetti	Procedimento integrato urea am moniaca
US4082797A (en) *	1975-04-23	1978-04-04	Snamprogetti, S.P.A.	Method for the condensation of carbammate in urea-synthesis installations
AR206244A1 (es) *	1975-05-06	1976-07-07	Mitsui Toatsu Chemicals	Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea
JPS5268129A (en) *	1975-12-05	1977-06-06	Mitsui Toatsu Chem Inc	Recovery of unreacted material and heat on urea synthesis

1976
- 1976-09-09 IT IT27024/76A patent/IT1068268B/it active
1977
- 1977-08-04 CA CA284,053A patent/CA1106404A/en not_active Expired
- 1977-08-05 AU AU27673/77A patent/AU511880B2/en not_active Expired
- 1977-08-18 IN IN1283/CAL/77A patent/IN147029B/en unknown
- 1977-08-31 CS CS775684A patent/CS205083B2/cs unknown
- 1977-08-31 MX MX170424A patent/MX150529A/es unknown
- 1977-09-01 PL PL1977200608A patent/PL116475B1/pl not_active IP Right Cessation
- 1977-09-02 ES ES462234A patent/ES462234A1/es not_active Expired
- 1977-09-05 JP JP52105969A patent/JPS6058228B2/ja not_active Expired
- 1977-09-06 YU YU02125/77A patent/YU39132B/xx unknown
- 1977-09-07 DE DE2740358A patent/DE2740358C2/de not_active Expired
- 1977-09-07 DD DD7700200918A patent/DD133091A5/xx unknown
- 1977-09-07 LU LU78097A patent/LU78097A1/xx unknown
- 1977-09-08 GB GB7737615A patent/GB1542371A/en not_active Expired
- 1977-09-08 DK DK399577A patent/DK399577A/da not_active Application Discontinuation
- 1977-09-08 FR FR7727215A patent/FR2364203A1/fr active Granted
- 1977-09-09 AR AR269158A patent/AR219502A1/es active
- 1977-09-09 BR BR7706063A patent/BR7706063A/pt unknown
- 1977-09-09 BE BE180806A patent/BE858574A/xx not_active IP Right Cessation
- 1977-09-09 NL NL7709968A patent/NL7709968A/xx not_active Application Discontinuation
- 1977-09-09 SE SE7710151A patent/SE425972B/sv not_active IP Right Cessation
- 1977-09-09 IE IE1872/77A patent/IE45681B1/en unknown
- 1977-09-09 CH CH1108777A patent/CH625505A5/it not_active IP Right Cessation
1980
- 1980-12-15 US US06/216,303 patent/US4314077A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE2740358C2 (de)	1982-07-01
YU212577A (en)	1982-08-31
JPS5334721A (en)	1978-03-31
JPS6058228B2 (ja)	1985-12-19
CH625505A5 (sv)	1981-09-30
DE2740358A1 (de)	1978-03-16
US4314077A (en)	1982-02-02
CA1106404A (en)	1981-08-04
BR7706063A (pt)	1978-06-06
FR2364203B1 (sv)	1980-03-14
CS205083B2 (en)	1981-04-30
DK399577A (da)	1978-03-10
YU39132B (en)	1984-06-30
FR2364203A1 (fr)	1978-04-07
LU78097A1 (sv)	1978-01-23
DD133091A5 (de)	1978-12-06
IN147029B (sv)	1979-10-27
BE858574A (fr)	1978-03-09
AU511880B2 (en)	1980-09-11
AR219502A1 (es)	1980-08-29
GB1542371A (en)	1979-03-21
IE45681B1 (en)	1982-10-20
IE45681L (en)	1978-03-09
NL7709968A (nl)	1978-03-13
PL200608A1 (pl)	1978-05-22
ES462234A1 (es)	1978-06-01
AU2767377A (en)	1979-05-03
MX150529A (es)	1984-05-22
IT1068268B (it)	1985-03-21
SE7710151L (sv)	1978-03-10
PL116475B1 (en)	1981-06-30

Legal Events

Date

Code

Title

Description

1995-01-31

NUG

Patent has lapsed

Ref document number: 7710151-7

Effective date: 19880622

Format of ref document f/p: F

Publication	Publication Date	Title
SE425972B (sv)	1982-11-29	Forfarande for framstellning av karbamid
SE440791B (sv)	1985-08-19	Forfarande for upparbetning av lignitkol
SE440501B (sv)	1985-08-05	Forfarande for framstellning av substituerade fenylamidoximer
FI773719A (fi)	1978-06-12	Anordning foer avskiljande av en fiberbana
SE7808485L (sv)	1979-02-10	Forfarande for framstellning av oligoimider
NO782769L (no)	1979-02-23	Fremgangsmaate for fremstilling av ammoniakk
NO783134L (no)	1979-03-19	Fremgangsmaate for fremstilling av ammoniakk
SE7708384L (sv)	1978-02-05	Forfarande for dekoffeinering av kaffe
NO773548L (no)	1978-04-19	Fremgangsmaate for fremstilling av spiro-hydantoinderivater
SE7704949L (sv)	1977-10-30	Forfarande for framstellning av emulsioner
SE7807240L (sv)	1978-12-28	Forfarande for framstellning av para-bensokinon
IT1076788B (it)	1985-04-27	Procedimento per preparare organopolisilossani
SE433212B (sv)	1984-05-14	Forfarande for framstellning av 4-hydroxi-aporfin-derivat
SE7704139L (sv)	1977-10-10	Forfarande for framstellning av azofergemnen
SE431871B (sv)	1984-03-05	Forfarande for framstellning av 2-brom-6-fluor-n-2-imidazolidinylidenbensamin
SE7613768L (sv)	1977-06-14	Forfarande for framstellning av penicillinestrar
SE433219B (sv)	1984-05-14	Forfarande for framstellning av 3-halogenmetylcefalosporinforeningar
SE443140B (sv)	1986-02-17	Forfarande for framstellning av karbostyrilderivat
SE421125B (sv)	1981-11-30	Forfarande for framstellning av 5-m-tolyloxiuracil
NO773073L (no)	1978-03-21	Fremgangsmaate for fremstilling av 2-piperazinyl-kinazolinderivater
SE418287B (sv)	1981-05-18	Forfarande for framstellning av guajakol-p-isobutyl-hydratropat
FI772580A (fi)	1978-03-01	Komposition foer faergning av haor
SE426947B (sv)	1983-02-21	Forfarande for framstellning av 3,5,5-trimetyl-hexanoyl-ferrocen
SE7704183L (sv)	1977-10-14	Forfarande for framstellning av polyolefiner
SE420093B (sv)	1981-09-14	Forfarande for framstellning av 5-fenyl-2-furamidoximer