PH11037A - Method of recovering unreacted ammonium carbamate in urea synthesis - Google Patents

Method of recovering unreacted ammonium carbamate in urea synthesis

Info

Publication number
PH11037A
PH11037A PH15501A PH15501A PH11037A PH 11037 A PH11037 A PH 11037A PH 15501 A PH15501 A PH 15501A PH 15501 A PH15501 A PH 15501A PH 11037 A PH11037 A PH 11037A
Authority
PH
Philippines
Prior art keywords
ammonium carbamate
urea synthesis
recovering unreacted
unreacted ammonium
recovering
Prior art date
Application number
PH15501A
Other languages
English (en)
Inventor
T Kimura
S Imoue
Original Assignee
Mitsui Toatsu Chemicals
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 Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of PH11037A publication Critical patent/PH11037A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PH15501A 1973-02-14 1974-02-12 Method of recovering unreacted ammonium carbamate in urea synthesis PH11037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1751873A JPS5535378B2 (es) 1973-02-14 1973-02-14

Publications (1)

Publication Number Publication Date
PH11037A true PH11037A (en) 1977-10-25

Family

ID=11946165

Family Applications (1)

Application Number Title Priority Date Filing Date
PH15501A PH11037A (en) 1973-02-14 1974-02-12 Method of recovering unreacted ammonium carbamate in urea synthesis

Country Status (16)

Country Link
US (1) US3944605A (es)
JP (1) JPS5535378B2 (es)
AR (1) AR197541A1 (es)
AT (1) AT343670B (es)
BR (1) BR7401038D0 (es)
CA (1) CA1012981A (es)
DE (1) DE2407019B2 (es)
EG (1) EG11283A (es)
ES (1) ES422910A1 (es)
FR (1) FR2217320B1 (es)
GB (1) GB1404115A (es)
IN (1) IN140031B (es)
IT (1) IT1007405B (es)
NL (1) NL162636C (es)
PH (1) PH11037A (es)
SU (1) SU1064863A3 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555977B2 (es) * 1974-05-14 1980-02-12
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
JPS585190B2 (ja) * 1975-09-22 1983-01-29 三井東圧化学株式会社 尿素合成における未反応物の分離回収方法
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
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法
JPS58217750A (ja) * 1982-06-14 1983-12-17 Suzuki Motor Co Ltd 空燃比制御エンジンにおけるアイドルアツプ装置
US5316554A (en) * 1992-06-03 1994-05-31 Hansen Charles N Method for processing crystalline ammonium carbamate
EP2397463A1 (en) * 2010-06-16 2011-12-21 Urea Casale SA Method for revamping a self-stripping urea plant
US9863725B1 (en) 2012-02-29 2018-01-09 The United States Of America As Represented By The Secretary Of The Air Force Systems and methods for thermal management through use of ammonium carbamate
DE102013113980A1 (de) * 2013-12-12 2015-06-18 Thyssenkrupp Ag Verfahren zur Herstellung von Ammoniakgas und CO2 für eine Harnstoffsynthese
US10315986B1 (en) * 2018-04-06 2019-06-11 Solenis Technologies, L.P. Systems and methods for forming a solution of ammonium carbamate
JP7277672B2 (ja) 2019-12-30 2023-05-19 スタミカーボン・ベー・フェー 尿素仕上げからのアンモニア除去

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544628A (en) * 1965-09-20 1970-12-01 Pullman Inc Urea synthesis
US3573173A (en) * 1968-07-24 1971-03-30 Mitsui Toatsu Chemicals Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia

Also Published As

Publication number Publication date
JPS5535378B2 (es) 1980-09-12
IT1007405B (it) 1976-10-30
NL7402055A (es) 1974-08-16
AR197541A1 (es) 1974-04-15
FR2217320A1 (es) 1974-09-06
GB1404115A (en) 1975-08-28
ATA114874A (de) 1977-10-15
AU6495274A (en) 1975-07-31
DE2407019B2 (de) 1976-08-19
AT343670B (de) 1978-06-12
BR7401038D0 (pt) 1974-09-10
DE2407019A1 (de) 1974-09-12
JPS49102620A (es) 1974-09-27
CA1012981A (en) 1977-06-28
SU1064863A3 (ru) 1983-12-30
EG11283A (en) 1977-01-31
ES422910A1 (es) 1976-05-01
US3944605A (en) 1976-03-16
NL162636C (nl) 1980-06-16
FR2217320B1 (es) 1978-01-06
IN140031B (es) 1976-09-04
NL162636B (nl) 1980-01-15

Similar Documents

Publication Publication Date Title
MY7600028A (en) Ureas, thioureas and guanidines
CA965766A (en) Ammonia synthesis catalyst and process
PH11037A (en) Method of recovering unreacted ammonium carbamate in urea synthesis
PH13556A (en) Method of recovering unreacted materials and heat in urea synthesis
PH11618A (en) Ureas,thioureas and guanides
PH13614A (en) Process for producing ammonia and urea
ZA743141B (en) Process for preparing urea from ammonia and carbon dioxide
CS191232B2 (en) Method of producing 4-/2-nicotinamidoethyl/benzensulphonyl urea
AU479878B2 (en) Method of recovering unreactted ammonium carbamate in urea synthesis
ZA757617B (en) Method for the synthesis of ureas
JPS5384918A (en) Process for preparing urea solution from nh3 and co2
MY7800058A (en) Process for recovering urea powder
EG12892A (en) Improvements in or relating to urea synthesis process
PT65594A (en) Process for separating and recovering unreacted materials in urea synthesis
CA879729A (en) Process for recovering excess ammonia in urea synthesis
AU506697B2 (en) Process fcr recovering unreacted materials in urea synthesis
CA1026374A (en) Urea synthesis with improved heat recovery and ammonium carbamate recirculation
BR7402824D0 (pt) Processo de sintese de ureia
MW874A1 (en) Process for the purification of the solutions leaving a urea synthesis ractor from nh3 and carbamate
AU470498B2 (en) Process forthe catalytic synthesis of ammonia
CA850690A (en) Urea synthesis process
ZM14473A1 (en) Ammonia synthesis
MY7900227A (en) Formation of ammonium carbamate
CS182261B2 (en) Strap fastener
IL49998A (en) Method of formation of ammonium carbamate solution