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
NO150115C NO754403A NO754403A NO150115C NO 150115 C NO150115 C NO 150115C NO 754403 A NO754403 A NO 754403A NO 754403 A NO754403 A NO 754403A NO 150115 C NO150115 C NO 150115C
Authority
NO
Norway
Prior art keywords
steams
concentrating
developed
procedure
treatment
Prior art date
Application number
NO754403A
Other languages
English (en)
Other versions
NO754403L (no
NO150115B (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.)
Filing date
Publication date
Application filed by Toyo Engineering Corp filed Critical Toyo Engineering Corp
Publication of NO754403L publication Critical patent/NO754403L/no
Publication of NO150115B publication Critical patent/NO150115B/no
Publication of NO150115C publication Critical patent/NO150115C/no

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

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

Also Published As

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

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