ES318356A1 - Metodo de depuracion de un efluente en la obtencion de urea sintetica. - Google Patents

Metodo de depuracion de un efluente en la obtencion de urea sintetica.

Info

Publication number: ES318356A1
Authority: ES; Spain
Prior art keywords: effluent; distillation; ejector; pressure; translation
Prior art date: 1964-10-16
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.): Expired

Application number

ES0318356A

Other languages

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.)

Toyo Koatsu Industries Inc

Original Assignee

Toyo Koatsu Industries Inc

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.)

1964-10-16

Filing date

1965-10-09

Publication date

1966-05-16

1965-10-09 Application filed by Toyo Koatsu Industries Inc filed Critical Toyo Koatsu Industries Inc

1966-05-16 Publication of ES318356A1 publication Critical patent/ES318356A1/es

Status Expired legal-status Critical Current

Links

XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 3
239000004202 carbamide Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
238000004821 distillation Methods 0.000 abstract 8
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 3
229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
239000001569 carbon dioxide Substances 0.000 abstract 2
239000008246 gaseous mixture Substances 0.000 abstract 2
239000000203 mixture Substances 0.000 abstract 2
229910021529 ammonia Inorganic materials 0.000 abstract 1

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)

ES0318356A 1964-10-16 1965-10-09 Metodo de depuracion de un efluente en la obtencion de urea sintetica. Expired ES318356A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP5858764		1964-10-16

Publications (1)

Publication Number	Publication Date
ES318356A1 true ES318356A1 (es)	1966-05-16

Family

ID=13088589

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES0318356A Expired ES318356A1 (es)	1964-10-16	1965-10-09	Metodo de depuracion de un efluente en la obtencion de urea sintetica.

Country Status (4)

Country	Link
US (1)	US3357901A (es)
DE (1)	DE1493268A1 (es)
ES (1)	ES318356A1 (es)
GB (1)	GB1116080A (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1131906A (en) *	1966-02-15	1968-10-30	Sumitomo Chemical Co	Method of synthesizing urea
US3502547A (en) *	1966-04-27	1970-03-24	Phillips Petroleum Co	Separation and recovery of liquid fractions
DE1668732A1 (de) *	1966-10-25	1971-03-25	Toyo Koatsu Ind Inc	Verfahren zum Behandeln des bei der Harnstoffsynthese im Ablauf vom Syntheseautoklaven enthaltenen nichtgesetzten Ammoniaks und Kohlendioxyds
US3954861A (en) *	1968-02-05	1976-05-04	Snamprogetti S.P.A	Process for producing urea
US3867263A (en) *	1970-12-07	1975-02-18	Ethyl Corp	Production and purification of vinyl chloride
IT1014987B (it) *	1974-06-12	1977-04-30	Snam Progetti	Procedimento integrato urea am moniaca
NL8006477A (nl) *	1980-11-28	1982-06-16	Unie Van Kunstmestfab Bv	Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossing.
WO2008099431A1 (en) *	2007-02-14	2008-08-21	Lagana', Claudia, Elisabetta	Process for the elimination of ammonia and carbon dioxide losses from the low pressure section of urea plants
CN113416154B (zh) *	2021-07-30	2023-01-17	新疆心连心能源化工有限公司	尿素合成未反应物循环回收方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3038285A (en) *	1960-03-18	1962-06-12	Chemical Construction Corp	Method for compressing urea synthesis off-gas
US3147304A (en) *	1960-06-21	1964-09-01	Chemical Construction Corp	Method for heat recovery in urea synthesis process
US3172911A (en) *	1961-06-16	1965-03-09		Urea synthesis process
US3200148A (en) *	1962-08-29	1965-08-10	Chemical Construction Corp	Urea synthesis process
NL302169A (es) *	1962-12-24	1900-01-01

1965
- 1965-10-09 ES ES0318356A patent/ES318356A1/es not_active Expired
- 1965-10-11 US US494736A patent/US3357901A/en not_active Expired - Lifetime
- 1965-10-14 GB GB43615/65A patent/GB1116080A/en not_active Expired
- 1965-10-14 DE DE19651493268 patent/DE1493268A1/de active Pending

Also Published As

Publication number	Publication date
US3357901A (en)	1967-12-12
GB1116080A (en)	1968-06-06
DE1493268A1 (de)	1969-02-27

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