MX148042A - Procedimiento mejorado para la produccion de urea-amoniaco - Google Patents

Procedimiento mejorado para la produccion de urea-amoniaco

Info

Publication number
MX148042A
MX148042A MX173217A MX17321778A MX148042A MX 148042 A MX148042 A MX 148042A MX 173217 A MX173217 A MX 173217A MX 17321778 A MX17321778 A MX 17321778A MX 148042 A MX148042 A MX 148042A
Authority
MX
Mexico
Prior art keywords
urea
ammonia
production
improved procedure
procedure
Prior art date
Application number
MX173217A
Other languages
English (en)
Inventor
Lorenz Peter Schell
Original Assignee
Olin 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 Olin Corp filed Critical Olin Corp
Publication of MX148042A publication Critical patent/MX148042A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/08—Preparation of ammonia from nitrogenous organic substances
    • C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/50—Carbon dioxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Removal Of Specific Substances (AREA)
MX173217A 1977-08-12 1978-04-24 Procedimiento mejorado para la produccion de urea-amoniaco MX148042A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/823,883 US4087513A (en) 1977-08-12 1977-08-12 Method of hydrolyzing urea contained in waste water streams

Publications (1)

Publication Number Publication Date
MX148042A true MX148042A (es) 1983-03-08

Family

ID=25240003

Family Applications (1)

Application Number Title Priority Date Filing Date
MX173217A MX148042A (es) 1977-08-12 1978-04-24 Procedimiento mejorado para la produccion de urea-amoniaco

Country Status (8)

Country Link
US (1) US4087513A (es)
JP (1) JPS5431963A (es)
BR (1) BR7802612A (es)
CA (1) CA1128289A (es)
DE (1) DE2818950C3 (es)
IT (1) IT1105606B (es)
MX (1) MX148042A (es)
NL (1) NL7804522A (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168299A (en) * 1978-03-20 1979-09-18 Olin Corporation Catalytic method for hydrolyzing urea
US4231839A (en) * 1979-01-30 1980-11-04 Cf Industries, Inc. After-treatment processes and apparatus, especially for urea and ammonium nitrate plants
NL7903623A (nl) * 1979-05-09 1980-11-11 Stamicarbon Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine.
NL8102391A (nl) * 1981-05-15 1982-12-01 Unie Van Kunstmestfab Bv Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding.
US5139754A (en) * 1989-09-12 1992-08-18 Fuel Tech, Inc. Catalytic/non-catalytic combination process for nitrogen oxides reduction
IT1232670B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea.
US5047153A (en) * 1989-10-31 1991-09-10 Resources Conservation Company Method for removing amine from solids
US5543123A (en) * 1990-08-01 1996-08-06 Nalco Fuel Tech Low pressure formation of a urea hydrolysate for nitrogen oxides reduction
US5240688A (en) * 1990-08-01 1993-08-31 Fuel Tech Gmbh Process for the in-line hydrolysis of urea
US5281403B1 (en) * 1991-09-27 1996-06-11 Noell Inc Method for converting urea to ammonia
TW229225B (es) * 1992-05-06 1994-09-01 Malco Fuel Tech
US5404841A (en) * 1993-08-30 1995-04-11 Valentine; James M. Reduction of nitrogen oxides emissions from diesel engines
US6077491A (en) 1997-03-21 2000-06-20 Ec&C Technologies Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal
ITMI981155A1 (it) * 1998-05-25 1999-11-25 Siirtec Nigi S P A Processo per la produzione di ammoniaca mediante idrolisi dell'urea
US6093380A (en) * 1998-10-16 2000-07-25 Siirtec Nigi, S.P.A. Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities
US6511644B1 (en) 2000-08-28 2003-01-28 The Chemithon Corporation Method for removing contaminants in reactors
US6761868B2 (en) * 2001-05-16 2004-07-13 The Chemithon Corporation Process for quantitatively converting urea to ammonia on demand
US6887449B2 (en) * 2002-11-21 2005-05-03 The Chemithon Corporation Method of quantitatively producing ammonia from urea
US20090148370A1 (en) * 2007-12-06 2009-06-11 Spencer Iii Herbert W Process to produce ammonia from urea
US8776499B2 (en) * 2008-02-25 2014-07-15 Basf Corporation Emission treatment systems and methods using passivated surfaces
EP2386346A1 (en) 2010-05-11 2011-11-16 Stamicarbon B.V. Process for the reduction of ammonia emissions in a urea manufacturing process
US9586831B2 (en) 2014-06-09 2017-03-07 Wahlco, Inc. Urea to ammonia process
CN111992033B (zh) * 2020-09-14 2024-10-15 中国华电科工集团有限公司 一种尿素水解反应器的废液回收装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826815A (en) * 1972-06-21 1974-07-30 I Mavrovic Recovery of residual ammonia from weak aqueous solutions thereof

Also Published As

Publication number Publication date
NL7804522A (nl) 1979-02-14
IT7849083A0 (it) 1978-04-26
DE2818950C3 (de) 1980-10-16
DE2818950A1 (de) 1979-02-15
JPS5431963A (en) 1979-03-09
DE2818950B2 (de) 1980-02-28
IT1105606B (it) 1985-11-04
US4087513A (en) 1978-05-02
JPS5738317B2 (es) 1982-08-14
BR7802612A (pt) 1979-04-03
CA1128289A (en) 1982-07-27

Similar Documents

Publication Publication Date Title
IT1102018B (it) Procedimento per la produzione di trimetilol-alcani
MX148042A (es) Procedimiento mejorado para la produccion de urea-amoniaco
IT1106615B (it) Procedimento per la produzione di solfobetaine
IT1109011B (it) Procedimento per la produzione di vincadifformina
IT7848613A0 (it) Procedimento per la migliorata produzione di 2-etilesanolo
IT1105171B (it) Procedimento per la produzione di nitrosobenzolo
IT1100590B (it) Procedimento per la produzione di rifamicine
IT1157730B (it) Procedimento per la produzione di alfa-idrossimetilen-nitrili
AR221215A1 (es) Procedimiento para la preparacion de cloroacetanilidas substituidas
AR219314A1 (es) Procedimiento para la produccion de piensos
IT1105354B (it) Procedimento per la produzione di antrachinoni sostituiti
AR228123A1 (es) Procedimiento para la produccion de halogenoacilamidas
IT1099446B (it) Procedimento per la produzione di tiolcarbamati
IT1102812B (it) Procedimento per la produzione di p-nitroso-difenil-idrossil-ammine
IT7849261A0 (it) Procedimento per la produzione di 3-bromoftalide
MX5620E (es) Procedimiento mejorado para la preparacion de n-hidroxi-n-fosfonometilglicina
IT7850916A0 (it) Procedimento per la produzione di i-natrachinonil-idrazine
MX5412E (es) Procedimiento mejorado para la preparacion de n-hidrazidas de 2-benzotiazolinona
AR216684A1 (es) Procedimiento para la preparacion de apovincamina
MX5268E (es) Procedimiento para la preparacion de carbimidocarbonilfenil-formamidinas
AR227614A1 (es) Procedimiento para la obtencion de acidos 7beta-haloarilmalonamido-7alpha-metoxi-3-tiometil heterociclico-1-detia-1-oxo-3-cefem-4-carboxilicos
IT1143598B (it) Procedimento per la produzione di bis-cicloalcheno-piridine
IT1157735B (it) Procedimento per la produzione di 3-bromopialide
IT1109315B (it) Procedimento per la produzione di 6-tiatetraciclin-derivati
IT1103262B (it) Procedimento per la produzione di n-alchilcarbammati