ES2123705T3 - Procedimiento para reducir el contenido de amoniaco de un efluente gaseoso procedente de instalaciones de produccion de urea. - Google Patents

Procedimiento para reducir el contenido de amoniaco de un efluente gaseoso procedente de instalaciones de produccion de urea.

Info

Publication number
ES2123705T3
ES2123705T3 ES94201580T ES94201580T ES2123705T3 ES 2123705 T3 ES2123705 T3 ES 2123705T3 ES 94201580 T ES94201580 T ES 94201580T ES 94201580 T ES94201580 T ES 94201580T ES 2123705 T3 ES2123705 T3 ES 2123705T3
Authority
ES
Spain
Prior art keywords
procedure
reduce
production facilities
gaseous effluent
ammonia content
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES94201580T
Other languages
English (en)
Inventor
Franco Granelli
Angelo Corchia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 SnamProgetti SpA filed Critical SnamProgetti SpA
Application granted granted Critical
Publication of ES2123705T3 publication Critical patent/ES2123705T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

UN PROCESO PARA NEUTRALIZAR EL AMONIACO PRESENTE EN LA DIMANACION DE UREA FUNDIDA PROCEDENTE DE LA SECCION DE CONCENTRACION DE UNA PLANTA PARA SU PRODUCCION, COMPRENDIENDO LA ADICION A LA UREA FUNDIDA DE UNA PEQUEÑA CANTIDAD DE UN ACIDO.
ES94201580T 1993-06-09 1994-06-03 Procedimiento para reducir el contenido de amoniaco de un efluente gaseoso procedente de instalaciones de produccion de urea. Expired - Lifetime ES2123705T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT93MI001216A IT1264564B1 (it) 1993-06-09 1993-06-09 Procedimento per la riduzione del contenuto di ammoniaca presente in uno scarico gassoso degli impianti per la produzione di urea

Publications (1)

Publication Number Publication Date
ES2123705T3 true ES2123705T3 (es) 1999-01-16

Family

ID=11366357

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94201580T Expired - Lifetime ES2123705T3 (es) 1993-06-09 1994-06-03 Procedimiento para reducir el contenido de amoniaco de un efluente gaseoso procedente de instalaciones de produccion de urea.

Country Status (11)

Country Link
US (1) US5527961A (es)
EP (1) EP0629611B1 (es)
CN (1) CN1053890C (es)
AT (1) ATE172961T1 (es)
CA (1) CA2125442C (es)
DE (1) DE69414304T2 (es)
ES (1) ES2123705T3 (es)
IT (1) IT1264564B1 (es)
RU (1) RU2129543C1 (es)
SA (1) SA94150067B1 (es)
UA (1) UA27813C2 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69722606T2 (de) * 1997-06-26 2004-04-29 Urea Casale S.A. Verfahren zur Verminderung der Emissionen von freiem Restammoniak aus einer Ureumproduktionsanlage
EP2153880A1 (en) * 2008-07-31 2010-02-17 Urea Casale S.A. Process and plant for the production of a urea solution for use in SCR process for reduction of Nox
EP2301917A1 (en) 2009-09-16 2011-03-30 Stamicarbon B.V. Removal of urea and ammonia from exhaust gases
EP2386346A1 (en) 2010-05-11 2011-11-16 Stamicarbon B.V. Process for the reduction of ammonia emissions in a urea manufacturing process
CN107715676A (zh) * 2017-10-10 2018-02-23 鲁西化工集团股份有限公司煤化工分公司 一种降低尿素造粒塔尾气氨含量的生产工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL106294C (es) * 1957-11-21
US3333939A (en) * 1965-04-05 1967-08-01 Arizona Agrochemical Corp Discrete fertilizer granule containing a urea compound, sulfur and a phosphate plant food
US3535376A (en) * 1968-01-16 1970-10-20 Allied Chem Free-flowing urea
GB1208632A (en) * 1968-03-11 1970-10-14 Power Gas Ltd Improvements in or relating to the production of urea phosphate
US3689551A (en) * 1969-11-06 1972-09-05 Paul Raymond Patterson Odor free non-caking conditioned urea composition and process of preparing same
US3928015A (en) * 1974-10-29 1975-12-23 Tennessee Valley Authority Manufacture of urea-ammonium sulate from sulfuric acid, ammonia, and urea
US4461913A (en) * 1981-11-24 1984-07-24 Tennessee Valley Authority Production of urea phosphate
JPS61204159A (ja) * 1985-03-05 1986-09-10 Kao Corp 尿素水溶液の安定化方法

Also Published As

Publication number Publication date
IT1264564B1 (it) 1996-10-04
RU94020716A (ru) 1997-04-10
CA2125442C (en) 2004-05-11
RU2129543C1 (ru) 1999-04-27
SA94150067B1 (ar) 2005-10-15
EP0629611A1 (en) 1994-12-21
ITMI931216A0 (it) 1993-06-09
CN1108645A (zh) 1995-09-20
ATE172961T1 (de) 1998-11-15
EP0629611B1 (en) 1998-11-04
UA27813C2 (uk) 2000-10-16
US5527961A (en) 1996-06-18
ITMI931216A1 (it) 1994-12-09
DE69414304T2 (de) 1999-05-06
DE69414304D1 (de) 1998-12-10
CA2125442A1 (en) 1994-12-10
CN1053890C (zh) 2000-06-28

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