IT1129705B - Processi e apparati di post-trattamento,specialmente per impianti per la produzione di urea e ammonio nitrato - Google Patents

Processi e apparati di post-trattamento,specialmente per impianti per la produzione di urea e ammonio nitrato

Info

Publication number
IT1129705B
IT1129705B IT19316/80A IT1931680A IT1129705B IT 1129705 B IT1129705 B IT 1129705B IT 19316/80 A IT19316/80 A IT 19316/80A IT 1931680 A IT1931680 A IT 1931680A IT 1129705 B IT1129705 B IT 1129705B
Authority
IT
Italy
Prior art keywords
urea
plants
post
production
ammonium nitrate
Prior art date
Application number
IT19316/80A
Other languages
English (en)
Other versions
IT8019316A0 (it
Inventor
John W Barron
William H Van Morsell
Original Assignee
Cf Ind
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 Cf Ind filed Critical Cf Ind
Publication of IT8019316A0 publication Critical patent/IT8019316A0/it
Application granted granted Critical
Publication of IT1129705B publication Critical patent/IT1129705B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/18—Nitrates of ammonium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/18—Nitrates of ammonium
    • C01C1/185—Preparation
    • 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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • 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
    • Y02P20/141—Feedstock
    • 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
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
IT19316/80A 1979-01-30 1980-01-18 Processi e apparati di post-trattamento,specialmente per impianti per la produzione di urea e ammonio nitrato IT1129705B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/007,748 US4231839A (en) 1979-01-30 1979-01-30 After-treatment processes and apparatus, especially for urea and ammonium nitrate plants

Publications (2)

Publication Number Publication Date
IT8019316A0 IT8019316A0 (it) 1980-01-18
IT1129705B true IT1129705B (it) 1986-06-11

Family

ID=21727928

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19316/80A IT1129705B (it) 1979-01-30 1980-01-18 Processi e apparati di post-trattamento,specialmente per impianti per la produzione di urea e ammonio nitrato

Country Status (11)

Country Link
US (1) US4231839A (it)
JP (1) JPS5913892B2 (it)
BR (1) BR8000500A (it)
CA (1) CA1144512A (it)
DE (1) DE3002460A1 (it)
ES (3) ES488095A0 (it)
FR (1) FR2450809A1 (it)
GB (1) GB2040711B (it)
IT (1) IT1129705B (it)
MX (1) MX155155A (it)
NL (1) NL8000600A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517662A1 (fr) * 1981-12-04 1983-06-10 Kestner App Evaporateurs Procede de depollution des effluents de la fabrication du nitrate d'ammonium et de recuperation des elements contenus dans lesdits effluents
NL8201652A (nl) * 1982-04-21 1983-11-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
EP0302213A1 (en) * 1987-08-04 1989-02-08 Ammonia Casale S.A. Process for the recovery of urea entrained by vapours in vacuum concentration systems
IT1240675B (it) * 1990-04-24 1993-12-17 Snam Progetti Procedimento per la concentrazione sotto vuoto di soluzioni di urea
US5597454A (en) * 1995-04-06 1997-01-28 Lee; Jing M. Process for producing urea
US7399344B1 (en) * 2005-01-28 2008-07-15 Uop Llc Hydrogen peroxide recovery with hydrophobic membrane
DE102007024081A1 (de) 2007-05-22 2008-11-27 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zum Verdampfen eines Fluides
WO2016085343A1 (en) * 2014-11-27 2016-06-02 Stamicarbon B.V. Method and plant for producing urea-ammonium nitrate (uan)
EA033158B1 (ru) * 2015-12-21 2019-09-30 Стамикарбон Б.В. Производство карбамидо-аммиачной смеси
IT201700121364A1 (it) * 2017-10-25 2019-04-25 Saipem Spa Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea
CN113101682B (zh) * 2021-05-28 2023-03-24 新疆心连心能源化工有限公司 减少蒸发掉缩合物稳定尿素生产的装置及处理方法
WO2023156360A1 (de) * 2022-02-18 2023-08-24 Thyssenkrupp Industrial Solutions Ag Optimierte prozesskondensataufbereitung
LU102914B1 (de) * 2022-02-18 2023-08-18 Thyssenkrupp Ind Solutions Ag Optimierte Prozesskondensataufbereitung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2034864A (en) * 1933-10-10 1936-03-24 Du Pont Ammonia recovery process
BE559434A (it) * 1956-07-23
FR1356054A (fr) * 1962-05-04 1964-03-20 Ucb Sa Procédé de fabrication de nitrate d'ammonium
US3255246A (en) * 1963-06-27 1966-06-07 Du Pont Synthesis and recovery of urea
US3371115A (en) * 1965-02-15 1968-02-27 Chemical Construction Corp Process for combined production of ammonia and urea
FR1539371A (fr) * 1966-09-29 1968-09-13 Wellman Lord Inc Procédé de production d'urée cristalline
US3585237A (en) * 1966-09-29 1971-06-15 Wellman Lord Inc Crystallization of urea
US3579636A (en) * 1968-05-16 1971-05-18 Ivo Mavrovic Urea synthesis process
US3759992A (en) * 1970-06-29 1973-09-18 I Mavrovic Urea synthesis
US3723430A (en) * 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
US3922222A (en) * 1973-02-20 1975-11-25 Cf Ind Method for treatment of urea crystallizer condensate
CH577333A5 (it) * 1973-10-30 1976-07-15 Luwa Ag
US3985523A (en) * 1974-09-30 1976-10-12 Foster Wheeler Energy Corporation Pollution control process for fertilizer plant
US4087513A (en) * 1977-08-12 1978-05-02 Olin Corporation Method of hydrolyzing urea contained in waste water streams

Also Published As

Publication number Publication date
ES8101545A1 (es) 1980-12-16
JPS5913892B2 (ja) 1984-04-02
IT8019316A0 (it) 1980-01-18
MX155155A (es) 1988-02-01
NL8000600A (nl) 1980-08-01
ES8106465A1 (es) 1981-08-16
GB2040711B (en) 1983-01-26
ES494687A0 (es) 1981-08-16
FR2450809B1 (it) 1984-05-18
US4231839A (en) 1980-11-04
JPS55102437A (en) 1980-08-05
BR8000500A (pt) 1980-10-21
CA1144512A (en) 1983-04-12
ES488095A0 (es) 1980-12-16
ES8200331A1 (es) 1981-11-01
DE3002460A1 (de) 1980-08-21
GB2040711A (en) 1980-09-03
ES494688A0 (es) 1981-11-01
FR2450809A1 (fr) 1980-10-03

Similar Documents

Publication Publication Date Title
IT1143770B (it) Catalizzatore per la produzione di ammoniaca,preparazione di tale catalizzatore e processo catalitico
IT1129705B (it) Processi e apparati di post-trattamento,specialmente per impianti per la produzione di urea e ammonio nitrato
IT1098269B (it) Processo e dimpianto per la produzione di ammoniaca
IT1065422B (it) Processo ammoniaca-urea integrato per la produzione di urea
IL49300A (en) Flexible integrated method for the production ammonia and urea
JPS5597227A (en) Method of selectively removing cyclic urea from treating solution of obstacle amine gas
NL171230B (nl) Werkwijze voor de katalytische verwijdering van stikstofoxyde uit een stikstofoxyde-bevattend gas met behulp van ammoniak.
YU40444B (en) Process of granulating in the production of nitrogen compounds such as urea, ammonium nitrate or ammoniu phosphate
IT7830965A0 (it) Metodo per la produzione di ammoniaca per reazione catalitica tra idrogeno e azoto.
BE834222A (fr) Nouveaux derives d'uree, leur procede de preparation et leur application comme fongicides
IT7826010A0 (it) Decompositore di carbammato per produzione industriale di urea.
IT7825501A0 (it) Nuovi composti ureici e tioureici, processo per la loro produzione eloro impiego quali funghicidi.
FR2310344A1 (fr) Procede de preparation de derives de carbamate et d'uree
IL52035A (en) Benyodoxole-5-yl urea derivatives, process for their manufacture and herbicidal compositions containing them
NL172517C (nl) Katalysator voor het reduceren van stikstofoxyden met ammoniak, bestaande uit bariumsulfaat en vanadylsulfaat, alsmede werkwijze voor het bereiden van een dergelijke katalysator.
NL7612162A (nl) Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2.
BR7902556A (pt) Processo para desnitrificacao de nitrogenio de nitrato de materiais de tabaco,extratos de tabaco ou efluentes de processamento de tabaco
IT7827069A0 (it) Processo per la sintesi di ammoniaca.
IT1092202B (it) Processo per la produzione di catalizzatori di denitrificazione
IT7822979A0 (it) Procedimento di fabbricazione di nitroguanidina da nitrato di guanidina per azione di acido solforico acquoso.
BR7507429A (pt) Processo para a purificacao de acido cianurico,e processo integrado para a obtencao de acido cianurico
BE825256A (fr) Procede d'elimination d'ammoniac, en particulier d'amoniac de cokerie
GB2073186B (en) Process for the production of guanidine nitrate from a mixture of urea and ammonium nitrate and apparatus for its performance
IT7867534A0 (it) Procedimento catalitico per la produzione dell'urea e del cianato d'ammonio
FR2352775A1 (fr) Procede catalytique perfectionne de production de l'ethylene-glycol