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PE20142000A1 - Metodo de acabado de urea - Google Patents

Metodo de acabado de urea

Info

Publication number
PE20142000A1
PE20142000A1 PE2013002854A PE2013002854A PE20142000A1 PE 20142000 A1 PE20142000 A1 PE 20142000A1 PE 2013002854 A PE2013002854 A PE 2013002854A PE 2013002854 A PE2013002854 A PE 2013002854A PE 20142000 A1 PE20142000 A1 PE 20142000A1
Authority
PE
Peru
Prior art keywords
urea
stage
solution
crystalization
interval
Prior art date
Application number
PE2013002854A
Other languages
English (en)
Inventor
Johannes Henricus Mennen
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of PE20142000A1 publication Critical patent/PE20142000A1/es

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
    • C07C273/16—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B29K2075/02—Polyureas
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49716—Converting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)

Abstract

REFERIDA A UN PROCEDIMIENTO PARA LA PRODUCCION DE PARTICULAS DE UREA DE UNA SOLUCION ACUOSA DE UREA QUE COMPRENDE UNA ETAPA DE CRISTALIZACION, EN EL QUE LA SOLUCION SE SOMETE A EXPANSION BRUSCA EN SECO CON EL FIN DE OBTENER UREA SOLIDA CRISTALIZADA QUE CONTIENE EL PRODUCTO Y UN VAPOR QUE CONTIENE AMONIACO Y AGUA, Y POSTERIORMENTE UNA ETAPA DE FORMACION QUE COMPRENDE EJERCER FUERZA MECANICA SOBRE LOS CRISTALES DE UREA. LA SOLUCION ANTES DE LA ETAPA DE CRISTALIZACION ES CONCENTRADA HASTA OBTENER ENTRE 60% Y 98% EN PESO DE UREA Y EL TAMANO DE PARTICULA DE UREA OBTENIDO DESPUES DE LA ETAPA DE FORMACION TIENE UN TAMANO DE PARTICULA EN EL INTERVALO DE 1 MM A 10 MM
PE2013002854A 2011-10-14 2012-10-12 Metodo de acabado de urea PE20142000A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11185307 2011-10-14

Publications (1)

Publication Number Publication Date
PE20142000A1 true PE20142000A1 (es) 2014-12-20

Family

ID=47080775

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2013002854A PE20142000A1 (es) 2011-10-14 2012-10-12 Metodo de acabado de urea

Country Status (14)

Country Link
US (1) US9890115B2 (es)
EP (1) EP2766341B1 (es)
JP (1) JP5934370B2 (es)
CN (1) CN103748071B (es)
AP (1) AP3926A (es)
BR (1) BR112013032910B1 (es)
CA (1) CA2839657C (es)
EA (1) EA027106B1 (es)
GE (3) GEP20166500B (es)
HR (1) HRP20181399T1 (es)
MY (1) MY177074A (es)
PE (1) PE20142000A1 (es)
PL (1) PL2766341T3 (es)
WO (1) WO2013055219A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104557617B (zh) * 2013-10-10 2017-01-25 中国石油化工股份有限公司 一种车用尿素的生产方法
HRP20200748T1 (hr) 2014-07-17 2020-10-16 Stamicarbon B.V. Postupak pripreme proizvoda uree
JP2016064991A (ja) * 2014-09-22 2016-04-28 東洋エンジニアリング株式会社 尿素製造プロセスにおける高純度尿素水溶液の製造方法
CN108137335B (zh) 2015-03-25 2021-10-26 斯塔米卡邦有限公司 用于汽车环保尿素和硝酸铵尿素的尿素的一体化生产
WO2016159336A1 (ja) * 2015-04-01 2016-10-06 東洋エンジニアリング株式会社 尿素製造方法
BR112018007847A2 (pt) * 2016-03-22 2019-01-08 Dead Sea Works Ltd fertilizantes esféricos e processo para a produção dos mesmos
WO2018109773A1 (en) 2016-12-17 2018-06-21 Dead Sea Works Ltd. A process for the production of potassium sulphate and magnesium sulphate from carnallite and sodium sulphate
CA3090201C (en) 2018-02-27 2025-06-03 Dead Sea Works Ltd. POTASH DUST GRANULATION PROCESS
WO2020105055A1 (en) 2018-11-23 2020-05-28 Icl Europe Cooperatief U.A. Compacted polyhalite and a process for the production thereof
WO2021137700A1 (en) 2019-12-30 2021-07-08 Stamicarbon B.V. Ammonia removal from urea finishing

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES238105A1 (es) 1956-10-26 1958-04-01 Stamicarbon UN PROCEDIMIENTO PARA LA PRODUCCIoN DE UREA SUSTANCIALMENTE ANHIDRA
NL101446C (es) 1960-04-08
US3232984A (en) 1961-11-20 1966-02-01 Pullman Inc Low biuret urea
US3223145A (en) * 1964-05-20 1965-12-14 Allied Chem Evaporative concentration of aqueous urea
US3470115A (en) * 1965-08-27 1969-09-30 Allied Chem Process for making non-shrinking urea-formaldehyde foams
GB1113828A (en) 1966-03-28 1968-05-15 Chemical Construction Corp Process for crystallizing urea
US3585237A (en) 1966-09-29 1971-06-15 Wellman Lord Inc Crystallization of urea
SU520881A3 (ru) 1970-01-22 1976-07-05 Мицуи Тоацу Кемикалз Инкорпорейтед (Фирма) Способ получени гранулированной мочевины
JPS5019538B1 (es) * 1970-01-22 1975-07-08
GB1581761A (en) * 1977-06-09 1980-12-17 Azote Sa Cie Neerlandaise Urea granulation
IE46841B1 (en) * 1977-06-09 1983-10-05 Azote Sa Cie Neerlandaise Improvements in or relating to urea granulation
NL187393C (nl) * 1982-11-26 1991-09-16 V I Kucheryavy T M Bogdanova D Werkwijze voor het bereiden van ureum.
US5744009A (en) 1995-07-07 1998-04-28 The M. W. Kellogg Company Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator
US6277311B1 (en) * 1999-08-10 2001-08-21 Costal States Management Corporation Method of forming flowable urea having low biuret content
JP4539010B2 (ja) 2002-07-17 2010-09-08 凸版印刷株式会社 低開閉トルクで高密封なキャップを有する容器
JP4225183B2 (ja) 2003-11-05 2009-02-18 株式会社デンソー 半導体装置の製造方法
EP2107051A1 (en) * 2008-04-02 2009-10-07 DSM IP Assets B.V. Process for inreasing the capacity of an existing urea plant
CN101684082A (zh) * 2008-09-25 2010-03-31 江苏劲力化肥有限责任公司 尿素中压系统的循环回收预分离新工艺方法
CN101991962A (zh) * 2009-08-21 2011-03-30 宁波金远东工业科技有限公司 低能耗尿素蒸发装置

Also Published As

Publication number Publication date
EP2766341B1 (en) 2018-07-04
AP2013007324A0 (en) 2013-12-31
EA027106B1 (ru) 2017-06-30
EA201490094A1 (ru) 2014-07-30
EP2766341A1 (en) 2014-08-20
GEP20166500B (en) 2016-06-27
WO2013055219A1 (en) 2013-04-18
MY177074A (en) 2020-09-04
CA2839657C (en) 2018-06-26
AP3926A (en) 2016-12-10
CA2839657A1 (en) 2013-04-18
HRP20181399T1 (hr) 2018-10-19
GEP201606569B (en) 2016-11-10
CN103748071B (zh) 2017-03-08
JP2014530817A (ja) 2014-11-20
CN103748071A (zh) 2014-04-23
US20150026943A1 (en) 2015-01-29
US9890115B2 (en) 2018-02-13
BR112013032910A2 (pt) 2017-01-24
JP5934370B2 (ja) 2016-06-15
GEP20166499B (en) 2016-06-27
BR112013032910B1 (pt) 2018-12-18
PL2766341T3 (pl) 2018-11-30

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