NO150115C - Fremgangsmaate ved behandling av damper utviklet ved konsentrering av en vandig ureaopploesning - Google Patents

Fremgangsmaate ved behandling av damper utviklet ved konsentrering av en vandig ureaopploesning

Info

Publication number: NO150115C
Authority: NO; Norway
Prior art keywords: steams; concentrating; developed; procedure; treatment
Prior art date: 1975-05-06

Application number

NO754403A

Other languages

English (en)

Other versions

NO150115B (no

NO754403L (no

Inventor

Shigeru Inoue

Tadao Shirasu

Hisashi Miyakawa

Original Assignee

Toyo Engineering Corp

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.)

1975-05-06

Filing date

1975-12-29

Publication date

1984-08-22

1975-12-29 Application filed by Toyo Engineering Corp filed Critical Toyo Engineering Corp

1976-11-09 Publication of NO754403L publication Critical patent/NO754403L/no

1984-05-14 Publication of NO150115B publication Critical patent/NO150115B/no

1984-08-22 Publication of NO150115C publication Critical patent/NO150115C/no

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)
Heat Treatment Of Water, Waste Water Or Sewage (AREA)

NO754403A 1975-05-06 1975-12-29 Fremgangsmaate ved behandling av damper utviklet ved konsentrering av en vandig ureaopploesning NO150115C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50053141A JPS51128915A (en)	1975-05-06	1975-05-06	Treatment of vapour generated in concentration of in aqueous urea solu tion

Publications (3)

Publication Number	Publication Date
NO754403L NO754403L (no)	1976-11-09
NO150115B NO150115B (no)	1984-05-14
NO150115C true NO150115C (no)	1984-08-22

Family

ID=12934538

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO754403A NO150115C (no)	1975-05-06	1975-12-29	Fremgangsmaate ved behandling av damper utviklet ved konsentrering av en vandig ureaopploesning

Country Status (14)

Country	Link
US (1)	US4207256A (no)
JP (1)	JPS51128915A (no)
AR (1)	AR206244A1 (no)
AU (1)	AU503462B2 (no)
BR (1)	BR7508676A (no)
CA (1)	CA1064051A (no)
DE (1)	DE2559112C3 (no)
EG (1)	EG12001A (no)
ES (1)	ES443998A1 (no)
FR (1)	FR2310343A1 (no)
GB (1)	GB1509950A (no)
IT (1)	IT1051981B (no)
NL (1)	NL172950C (no)
NO (1)	NO150115C (no)

Families Citing this family (7)

* 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
IT1068268B (it) *	1976-09-09	1985-03-21	Snam Progetti	Procedimento per la produzione di urea e purificazione delle acque
JPS5797400A (en) *	1980-12-09	1982-06-17	Mitsubishi Electric Corp	Speed controlling device for motor driven generator
NL8303888A (nl) *	1983-11-13	1985-06-03	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
RU2113636C1 (ru) *	1997-06-16	1998-06-20	Сергей Анатольевич Попов	Насосно-эжекторная установка (варианты)
CN109516932B (zh) *	2018-12-19	2024-04-12	安徽节源环保科技有限公司	一种尿素装置节能改造的工艺系统
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 (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1248639B (no) *	1959-07-03
GB948786A (en) *	1959-10-23	1964-02-05	Toyo Koatsu Ind Inc	An improvement in synthesis of urea
US3232983A (en) *	1960-01-08	1966-02-01	Pullman Inc	Urea synthesis
NL137130C (no) *	1966-01-20	1900-01-01
US3636106A (en) *	1968-09-12	1972-01-18	Chemical Construction Corp	Process for urea synthesis
US3668250A (en) *	1969-08-19	1972-06-06	Chemical Construction Corp	Urea synthesis process
US3711544A (en) *	1970-04-20	1973-01-16	Lummus Co	Heat recovery in urea synthesis
US3932504A (en) *	1970-05-19	1976-01-13	Vulcan-Cincinnati, Inc.	Urea manufacture
US3824283A (en) *	1970-11-02	1974-07-16	Chemical Construction Corp	Urea synthesis process
JPS5535378B2 (no) *	1973-02-14	1980-09-12
US3922222A (en) *	1973-02-20	1975-11-25	Cf Ind	Method for treatment of urea crystallizer condensate

1975
- 1975-01-01 AR AR261757A patent/AR206244A1/es active
- 1975-05-06 JP JP50053141A patent/JPS51128915A/ja active Granted
- 1975-12-09 AU AU87354/75A patent/AU503462B2/en not_active Expired
- 1975-12-22 GB GB52330/75A patent/GB1509950A/en not_active Expired
- 1975-12-24 IT IT30795/75A patent/IT1051981B/it active
- 1975-12-29 NO NO754403A patent/NO150115C/no unknown
- 1975-12-29 BR BR8676/75A patent/BR7508676A/pt unknown
- 1975-12-30 DE DE2559112A patent/DE2559112C3/de not_active Expired
- 1975-12-30 NL NLAANVRAGE7515175,A patent/NL172950C/xx not_active IP Right Cessation
- 1975-12-31 FR FR7540353A patent/FR2310343A1/fr active Granted
- 1975-12-31 ES ES443998A patent/ES443998A1/es not_active Expired
1976
- 1976-01-22 US US05/651,569 patent/US4207256A/en not_active Expired - Lifetime
- 1976-02-19 CA CA246,285A patent/CA1064051A/en not_active Expired
- 1976-03-14 EG EG150/76A patent/EG12001A/xx active

Also Published As

Publication number	Publication date
DE2559112A1 (de)	1976-11-11
BR7508676A (pt)	1976-11-09
IT1051981B (it)	1981-05-20
JPS51128915A (en)	1976-11-10
NO150115B (no)	1984-05-14
GB1509950A (en)	1978-05-10
AR206244A1 (es)	1976-07-07
EG12001A (en)	1978-06-30
DE2559112C3 (de)	1979-06-13
NL172950C (nl)	1983-11-16
FR2310343B1 (no)	1980-09-19
AU503462B2 (en)	1979-09-06
FR2310343A1 (fr)	1976-12-03
AU8735475A (en)	1977-06-23
JPS5243620B2 (no)	1977-11-01
DE2559112B2 (de)	1978-10-19
US4207256A (en)	1980-06-10
NL7515175A (nl)	1976-11-09
NO754403L (no)	1976-11-09
ES443998A1 (es)	1977-04-16
CA1064051A (en)	1979-10-09

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