CH620902A5 - - Google Patents

Download PDF

Info

Publication number
CH620902A5
CH620902A5 CH376076A CH376076A CH620902A5 CH 620902 A5 CH620902 A5 CH 620902A5 CH 376076 A CH376076 A CH 376076A CH 376076 A CH376076 A CH 376076A CH 620902 A5 CH620902 A5 CH 620902A5
Authority
CH
Switzerland
Prior art keywords
ammonia
urea
vol
gas
solution
Prior art date
Application number
CH376076A
Other languages
English (en)
Italian (it)
Inventor
Giorgio Pagani
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of CH620902A5 publication Critical patent/CH620902A5/it

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
    • C07C273/10—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 combined with the synthesis of ammonia
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0458—Separation of NH3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH376076A 1975-03-28 1976-03-25 CH620902A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21778/75A IT1034674B (it) 1975-03-28 1975-03-28 Processo flessibile intergrato per la produzione di ammoniaca edurea

Publications (1)

Publication Number Publication Date
CH620902A5 true CH620902A5 (ja) 1980-12-31

Family

ID=11186718

Family Applications (1)

Application Number Title Priority Date Filing Date
CH376076A CH620902A5 (ja) 1975-03-28 1976-03-25

Country Status (34)

Country Link
US (1) US4320103A (ja)
JP (2) JPS51118725A (ja)
AR (1) AR208429A1 (ja)
BE (1) BE840105A (ja)
BG (1) BG28258A3 (ja)
BR (1) BR7601880A (ja)
CA (1) CA1120693A (ja)
CH (1) CH620902A5 (ja)
CS (1) CS238355B2 (ja)
DD (1) DD123594A5 (ja)
DE (1) DE2613102C2 (ja)
DK (1) DK142361B (ja)
EG (1) EG12091A (ja)
ES (1) ES446621A1 (ja)
FR (1) FR2305391A1 (ja)
GB (1) GB1520561A (ja)
HU (1) HU179298B (ja)
IE (1) IE43359B1 (ja)
IL (1) IL49300A (ja)
IN (1) IN144386B (ja)
IT (1) IT1034674B (ja)
LU (1) LU74662A1 (ja)
MW (1) MW976A1 (ja)
MY (1) MY8100068A (ja)
NL (1) NL169178C (ja)
NO (1) NO150557C (ja)
PH (1) PH13180A (ja)
PL (1) PL106566B1 (ja)
PT (1) PT64955B (ja)
SE (1) SE423539B (ja)
TR (1) TR18737A (ja)
YU (1) YU40644B (ja)
ZA (1) ZA761794B (ja)
ZM (1) ZM3776A1 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1115610B (it) * 1977-03-03 1986-02-03 Snam Progetti Procedimento integrato urea-ammoniaca
IT1094295B (it) * 1978-04-05 1985-07-26 Snam Progetti Procedimento integrato ammoniaca-urea
US4869887A (en) * 1987-10-30 1989-09-26 Dijk Christiaan P Van Integrated ammonia-urea process
US4988491A (en) * 1989-04-11 1991-01-29 Christiaan Van Dijk Flexible integration of the production of ammonia and urea
DE69722606T2 (de) * 1997-06-26 2004-04-29 Urea Casale S.A. Verfahren zur Verminderung der Emissionen von freiem Restammoniak aus einer Ureumproduktionsanlage
EP0905127B1 (en) 1997-09-20 2001-11-28 Urea Casale S.A. Process for combined production of ammonia and urea
EP1041038B1 (en) 1999-03-31 2003-06-04 Urea Casale S.A. Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production
US6511644B1 (en) * 2000-08-28 2003-01-28 The Chemithon Corporation Method for removing contaminants in reactors
EP1188710A3 (en) * 2000-09-15 2003-10-29 Haldor Topsoe A/S Process for the integrated preparation of ammonia and urea
RU2460569C1 (ru) * 2011-02-10 2012-09-10 Эдуард Владимирович Юрьев Способ модернизации сепарационного узла газового (варианты) и сепаратор газовый (варианты)
JP5738433B2 (ja) * 2011-12-15 2015-06-24 三菱重工業株式会社 複数系統からなる尿素製造プラントの運転方法
EP2867484B1 (en) 2012-06-27 2020-02-12 Grannus, LLC Polygeneration production of power and fertilizer through emissions capture
BR112018011232B1 (pt) 2015-12-04 2022-10-11 Grannus, Llc Método para a produção de hidrogênio a partir de gases de síntese de um processo de oxidação parcial suprido com oxigênio
DE102015121756A1 (de) 2015-12-14 2017-06-14 Thyssenkrupp Ag Verfahren zur Bereitstellung von Kohlendioxid für die Synthese von Harnstoff
DE102016203277A1 (de) 2016-02-29 2017-08-31 Thyssenkrupp Ag Integrierte Synthese von Ammoniak und Harnstoff
DE102016122374A1 (de) 2016-11-21 2018-05-24 Thyssenkrupp Ag Vollintegrierter Ammoniak-Harnstoff-Komplex
EP3366645A1 (en) 2017-02-28 2018-08-29 Casale Sa Ammonia-urea integrated process and plant

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303215A (en) * 1962-03-09 1967-02-07 Toyo Koatsu Ind Inc Synthesis of urea
US3349126A (en) * 1962-09-10 1967-10-24 Pullman Inc Integrated ammonia and urea process
US3310376A (en) * 1963-09-09 1967-03-21 Chemical Construction Corp Process for combined production of ammonia and urea
JPS4830258B1 (ja) * 1969-02-08 1973-09-18
JPS496297B1 (ja) * 1969-03-15 1974-02-13
BE758646A (fr) * 1969-11-15 1971-04-16 Snam Progetti Procede de traitement des gaz de synthese de l'ammoniac
US4013718A (en) * 1970-09-03 1977-03-22 Snam Progetti S.P.A. Integrated process for the production of urea
IT1014987B (it) * 1974-06-12 1977-04-30 Snam Progetti Procedimento integrato urea am moniaca

Also Published As

Publication number Publication date
DE2613102C2 (de) 1982-06-24
NL7603280A (nl) 1976-09-30
IE43359B1 (en) 1981-02-11
DK142361C (ja) 1981-03-30
IL49300A0 (en) 1976-05-31
DK132476A (ja) 1976-09-29
IE43359L (en) 1976-09-28
CS197576A2 (en) 1984-12-14
NO150557B (no) 1984-07-30
BG28258A3 (en) 1980-03-25
ZM3776A1 (en) 1977-09-21
US4320103A (en) 1982-03-16
YU40644B (en) 1986-04-30
IN144386B (ja) 1978-04-29
YU79976A (en) 1982-05-31
NO761071L (ja) 1976-09-29
CS238355B2 (en) 1985-11-13
JPS629301Y2 (ja) 1987-03-04
NL169178C (nl) 1982-06-16
DD123594A5 (de) 1977-01-05
AR208429A1 (es) 1976-12-27
EG12091A (en) 1978-06-30
ES446621A1 (es) 1977-06-01
CA1120693A (en) 1982-03-30
PL106566B1 (pl) 1979-12-31
BR7601880A (pt) 1976-09-28
BE840105A (fr) 1976-09-27
MY8100068A (en) 1981-12-31
AU1235376A (en) 1977-09-29
FR2305391A1 (fr) 1976-10-22
TR18737A (tr) 1977-07-27
SE423539B (sv) 1982-05-10
FR2305391B1 (ja) 1979-02-02
LU74662A1 (ja) 1976-09-01
JPS60113340U (ja) 1985-07-31
IL49300A (en) 1979-05-31
PT64955A (en) 1976-04-01
NL169178B (nl) 1982-01-18
GB1520561A (en) 1978-08-09
SE7603707L (sv) 1976-09-29
HU179298B (en) 1982-09-28
NO150557C (no) 1984-11-07
MW976A1 (en) 1977-06-08
IT1034674B (it) 1979-10-10
DE2613102A1 (de) 1976-10-14
PH13180A (en) 1980-01-08
PT64955B (en) 1977-08-26
JPS51118725A (en) 1976-10-18
ZA761794B (en) 1977-03-30
DK142361B (da) 1980-10-20

Similar Documents

Publication Publication Date Title
CH620902A5 (ja)
CN102079689B (zh) 生产甲醇的方法和设备
CH629733A5 (it) Procedimento integrato per la produzione congiunta di ammoniaca ed urea.
CN100427391C (zh) 电石炉尾气的处理与再利用方法
US4009243A (en) Continuous process for scrubbing out hydrogen sulfide and ammonia from coke oven gas
CN104039758B (zh) 通过在脲生产过程中集成氨生产过程而形成脲的方法及其系统
GB1056558A (en) Production of ammonia
IE41544B1 (en) Process for producing urea
KR20070038095A (ko) 요소의 제조 방법
US9428449B2 (en) Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor
US3695829A (en) Two stage ammonium sulfate decomposition in flue gas desulfurization process
CN104528764B (zh) 一种含低碳醇氨气综合回收利用系统及其方法
ES8404676A1 (es) Procedimiento para preparar urea.
CN106672902A (zh) 利用煤炭地下气化产品气生产化肥及中间体化工产品的方法
CN104370775B (zh) 一种利用尿素装置回收三聚氰胺尾气的装置及工艺
US3337297A (en) Process for combined production of ammonia and ammonium salts
US6333411B1 (en) Method for production of hydroxylammonium phosphate in the synthesis of caprolactam
KR810000114B1 (ko) 암모니아와 요소의 유동적 통합 제조방법
JPS63112552A (ja) 未転化物の分離方法
WO2019132209A1 (ko) 황화수소를 포함하는 산성가스 정제방법 및 그 장치
CA1154935A (en) Method for the preparation of deuterium-enriched water
SU839225A1 (ru) Способ получени мочевины
CN206143099U (zh) 反应气体辅助降温的石灰氮水解冷却装置
US6469163B1 (en) Method for production of hydroxylamine sulfate in the conventional process for the synthesis of caprolactam
PL94001B1 (ja)

Legal Events

Date Code Title Description
PL Patent ceased