ZW19987A1 - Process for concentrating a urea solution and installation for carrying out the process - Google Patents

Process for concentrating a urea solution and installation for carrying out the process

Info

Publication number: ZW19987A1
Authority: ZW; Zimbabwe
Prior art keywords: concentrating; installation; carrying; urea solution; urea
Prior art date: 1986-11-03

Application number

ZW199/87A

Other languages

English (en)

Inventor

Jonckers Kees

Christiaan Burks Henk

Original Assignee

Stamicarbon

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.)

1986-11-03

Filing date

1987-11-03

Publication date

1988-02-03

1987-11-03 Application filed by Stamicarbon filed Critical Stamicarbon

1988-02-03 Publication of ZW19987A1 publication Critical patent/ZW19987A1/xx

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
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/06—Evaporators with vertical tubes
- B01D1/065—Evaporators with vertical tubes by film evaporating
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/04—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Saccharide Compounds (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)
Fertilizers (AREA)

ZW199/87A 1986-11-03 1987-11-03 Process for concentrating a urea solution and installation for carrying out the process ZW19987A1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8602769A NL8602769A (nl)	1986-11-03	1986-11-03	Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze.

Publications (1)

Publication Number	Publication Date
ZW19987A1 true ZW19987A1 (en)	1988-02-03

Family

ID=19848768

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZW199/87A ZW19987A1 (en)	1986-11-03	1987-11-03	Process for concentrating a urea solution and installation for carrying out the process

Country Status (29)

Country	Link
US (1)	US4866207A (no)
EP (1)	EP0266839A1 (no)
JP (1)	JPS63126858A (no)
KR (1)	KR880006176A (no)
CN (1)	CN1022321C (no)
AR (1)	AR245383A1 (no)
AU (1)	AU604069B2 (no)
BG (1)	BG60206B2 (no)
BR (1)	BR8705824A (no)
CA (1)	CA1333912C (no)
DD (1)	DD262806A5 (no)
EG (1)	EG18504A (no)
FI (1)	FI874808A (no)
HU (1)	HUT44949A (no)
IL (1)	IL84340A0 (no)
IN (1)	IN170336B (no)
MA (1)	MA21099A1 (no)
MX (1)	MX168831B (no)
NL (1)	NL8602769A (no)
NO (1)	NO874558L (no)
NZ (1)	NZ222369A (no)
OA (1)	OA08770A (no)
PL (1)	PL268572A1 (no)
PT (1)	PT86068A (no)
SU (1)	SU1736335A3 (no)
TN (1)	TNSN87125A1 (no)
TR (1)	TR24027A (no)
ZA (1)	ZA878213B (no)
ZW (1)	ZW19987A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH679485A5 (no) *	1989-12-29	1992-02-28	Ammonia Casale Sa
DE4034074A1 (de) *	1990-10-26	1992-04-30	Huels Chemische Werke Ag	Verfahren zur herstellung von alkylglycosiden und alkyloligoglycosiden
DE19961040A1 (de)	1999-12-16	2001-06-21	Basf Ag	Thermoplastische Formmassen mit verbessertem Verarbeitungsverhalten auf Basis von Polyarylenethersulfonen und Polyamiden
EP2153880A1 (en) *	2008-07-31	2010-02-17	Urea Casale S.A.	Process and plant for the production of a urea solution for use in SCR process for reduction of Nox
PL3190101T3 (pl)	2012-05-03	2020-03-31	Stamicarbon B.V.	Sposób i urządzenie do produkcji mocznika z amoniaku i dwutlenku węgla
CA3022952C (en) *	2016-05-03	2022-10-11	Stamicarbon B.V.	Urea production with controlled biuret

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE908028C (de) *	1948-11-03	1954-04-01	Hoechst Ag	Verfahren und Saeule fuer Stoffumsatz und Waermeaustauscher
US2944966A (en) *	1954-02-19	1960-07-12	Allen G Eickmeyer	Method for separation of fluid mixtures
FR1111540A (fr) *	1954-07-19	1956-03-01		échangeur thermique permettant l'utilisation pratique de l'énergie de dilution des solutions concentrées
FR1255949A (fr) *	1959-11-12	1961-03-17		Procédé et dispositifs de distillation par évaporation moléculaire à multiple effet
US3137725A (en) *	1960-02-11	1964-06-16	Chemical Construction Corp	Heat recovery in urea synthesis process
US2998060A (en) *	1960-08-03	1961-08-29	Albert W Eckstrom	High temperature method and evaporator for concentrating solutions
SU144842A1 (ru) *	1960-10-25	1961-11-30	Б.Г. Мельников	Способ удалени аммиака и углекислого газа из продуктов синтеза мочевины
NL6414630A (no) *	1964-12-16	1966-06-17
US4341640A (en) *	1976-09-27	1982-07-27	Standard Oil Company	Urea hydrolysis
US4231951A (en) *	1978-02-08	1980-11-04	Minnesota Mining And Manufacturing Company	Complex salt photoinitiator
JPS5573651A (en) *	1978-11-30	1980-06-03	Toyo Eng Corp	Preparation of urea
JPS5826909B2 (ja) *	1979-09-14	1983-06-06	東洋エンジニアリング株式会社	尿素水溶液の濃縮方法
JPS5750954A (en) *	1980-09-12	1982-03-25	Mitsui Toatsu Chem Inc	Synthesis of urea
IT1163795B (it) *	1983-07-18	1987-04-08	Montedison Spa	Apparecchio per lo strippaggio dell'ammoniaca dalle soluzioni provenienti dalla sintesi dell'urea
NL8303888A (nl) *	1983-11-13	1985-06-03	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
ATE37868T1 (de) *	1984-05-19	1988-10-15	Ammonia Casale Sa	Verfahren zur herstellung von harnstoff.
JPH06110547A (ja) *	1992-09-29	1994-04-22	Toshiba Corp	シーケンス実績データ収集装置

1986
- 1986-11-03 NL NL8602769A patent/NL8602769A/nl not_active Application Discontinuation
1987
- 1987-01-23 US US07/006,185 patent/US4866207A/en not_active Expired - Lifetime
- 1987-10-21 IN IN761/MAS/87A patent/IN170336B/en unknown
- 1987-10-28 MX MX009005A patent/MX168831B/es unknown
- 1987-10-30 NZ NZ222369A patent/NZ222369A/xx unknown
- 1987-10-30 CA CA000550625A patent/CA1333912C/en not_active Expired - Lifetime
- 1987-10-30 BR BR8705824A patent/BR8705824A/pt not_active Application Discontinuation
- 1987-11-01 EG EG625/87D patent/EG18504A/xx active
- 1987-11-02 HU HU874917A patent/HUT44949A/hu unknown
- 1987-11-02 NO NO874558A patent/NO874558L/no unknown
- 1987-11-02 AR AR87309184A patent/AR245383A1/es active
- 1987-11-02 DD DD87308579A patent/DD262806A5/de unknown
- 1987-11-02 BG BG081639A patent/BG60206B2/bg unknown
- 1987-11-02 CN CN87107625A patent/CN1022321C/zh not_active Expired - Lifetime
- 1987-11-02 IL IL84340A patent/IL84340A0/xx unknown
- 1987-11-02 MA MA21340A patent/MA21099A1/fr unknown
- 1987-11-02 FI FI874808A patent/FI874808A/fi not_active Application Discontinuation
- 1987-11-02 JP JP62275873A patent/JPS63126858A/ja active Pending
- 1987-11-02 EP EP87202109A patent/EP0266839A1/en not_active Ceased
- 1987-11-02 TR TR87/0748A patent/TR24027A/xx unknown
- 1987-11-02 SU SU874203645A patent/SU1736335A3/ru active
- 1987-11-02 ZA ZA878213A patent/ZA878213B/xx unknown
- 1987-11-02 AU AU80582/87A patent/AU604069B2/en not_active Ceased
- 1987-11-03 OA OA59218A patent/OA08770A/xx unknown
- 1987-11-03 PL PL26857287A patent/PL268572A1/xx unknown
- 1987-11-03 ZW ZW199/87A patent/ZW19987A1/xx unknown
- 1987-11-03 PT PT86068A patent/PT86068A/pt not_active Application Discontinuation
- 1987-11-03 TN TNTNSN87125A patent/TNSN87125A1/fr unknown
- 1987-11-03 KR KR870012304A patent/KR880006176A/ko not_active Application Discontinuation

Also Published As

Publication number	Publication date
SU1736335A3 (ru)	1992-05-23
DD262806A5 (de)	1988-12-14
NL8602769A (nl)	1988-06-01
EG18504A (en)	1993-04-30
PT86068A (pt)	1988-12-15
CN1022321C (zh)	1993-10-06
AU8058287A (en)	1988-05-05
AR245383A1 (es)	1994-01-31
ZA878213B (en)	1988-04-28
JPS63126858A (ja)	1988-05-30
PL268572A1 (en)	1988-09-01
EP0266839A1 (en)	1988-05-11
FI874808A (fi)	1988-05-04
FI874808A0 (fi)	1987-11-02
TR24027A (tr)	1991-02-04
BR8705824A (pt)	1988-06-28
BG60206B2 (bg)	1993-12-30
MA21099A1 (fr)	1988-07-01
US4866207A (en)	1989-09-12
NO874558L (no)	1988-05-04
CA1333912C (en)	1995-01-10
HUT44949A (en)	1988-05-30
OA08770A (en)	1989-03-31
AU604069B2 (en)	1990-12-06
CN87107625A (zh)	1988-05-11
NZ222369A (en)	1990-06-26
NO874558D0 (no)	1987-11-02
IL84340A0 (en)	1988-04-29
TNSN87125A1 (fr)	1990-01-01
KR880006176A (ko)	1988-07-21
MX168831B (es)	1993-06-10
IN170336B (no)	1992-03-14

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ZW19987A1 (en)	1988-02-03	Process for concentrating a urea solution and installation for carrying out the process
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HUT49566A (en)	1989-10-30	Process for producing urea
IL80585A (en)	1990-07-26	Photodissociation process
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EP0256480A3 (en)	1988-07-13	Process for the catalic trans-halogenation of a polyiodo-benzene and, in particular, of a di-iodo-benzene
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IE872947L (en)	1988-05-03	Process for concentrating a urea solution and installation¹for carrying our the process.
GB8911683D0 (en)	1989-07-05	Urea process
GB8620181D0 (en)	1986-10-01	Bioconversion process
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GB8614669D0 (en)	1986-07-23	Catalytic process
GB8807632D0 (en)	1988-05-05	Ammonia process improvement
ZA886951B (en)	1989-05-30	Chemical conversion process