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CL2018002374A1 - Método de modernización de una planta de procesamiento de melamina a alta presión - Google Patents

Método de modernización de una planta de procesamiento de melamina a alta presión

Info

Publication number
CL2018002374A1
CL2018002374A1 CL2018002374A CL2018002374A CL2018002374A1 CL 2018002374 A1 CL2018002374 A1 CL 2018002374A1 CL 2018002374 A CL2018002374 A CL 2018002374A CL 2018002374 A CL2018002374 A CL 2018002374A CL 2018002374 A1 CL2018002374 A1 CL 2018002374A1
Authority
CL
Chile
Prior art keywords
melamine
high pressure
processing plant
current
condensed
Prior art date
Application number
CL2018002374A
Other languages
English (en)
Inventor
Carlo Gabriele Di
Andrea Scotto
Simone Gamba
Original Assignee
Casale Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55404639&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CL2018002374(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Casale Sa filed Critical Casale Sa
Publication of CL2018002374A1 publication Critical patent/CL2018002374A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • B60Q5/005—Arrangement or adaptation of acoustic signal devices automatically actuated
    • B60Q5/008—Arrangement or adaptation of acoustic signal devices automatically actuated for signaling silent vehicles, e.g. for warning that a hybrid or electric vehicle is approaching
    • 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
    • C07C273/12—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 melamine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/62—Purification of melamine
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/11—Noise generation, e.g. drive noise to warn pedestrians that an electric vehicle is approaching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • G10K2210/12822—Exhaust pipes or mufflers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)

Abstract

UNA PLANTA DE PROCESAMIENTO DE MELAMINA A ALTA PRESIÓN QUE COMPRENDE UNA SECCIÓN DE SÍNTESIS Y UNA SECCIÓN DE PURIFICACIÓN DE MELAMINA, EN QUE DICHA SECCIÓN DE SÍNTESIS PROPORCIONA UNA PRIMERA CORRIENTE QUE CONTIENE MELAMINA, Y DICHA SECCIÓN DE PURIFICACIÓN COMPRENDE: UN TEMPLADOR (2), QUE RECIBE DICHA PRIMERA CORRIENTE QUE CONTIENE MELAMINA (6) PROVENIENTE DE LA SECCIÓN DE SÍNTESIS; UN REMOVEDOR (3), AL QUE SE ALIMENTA UNA SEGUNDA CORRIENTE QUE CONTIENE MELAMINA (7) PROVENIENTE DE DICHO TEMPLADOR (2), EN QUE SE RECOLECTA MELAMINA PURIFICADA (11) Y SE EXTRAEN VAPORES (10); UN INTERCAMBIADOR DE CALOR (12), EN QUE SE CONDENSAN DICHOS VAPORES (10), LO QUE PERMITE OBTENER UNA CORRIENTE CONDENSADA (14); UN ABSORBEDOR (4), AL QUE SE ALIMENTA DICHA CORRIENTE CONDENSADA (14), LO QUE PERMITE OBTENER UNA SOLUCIÓN ACUOSA (15), QUE COMPRENDE AMONÍACO Y DIÓXIDO DE CARBONO, SOLUCIÓN ACUOSA DE LA CUAL SE EXPORTA AL MENOS UNA FRACCIÓN (15B) DESDE LA SECCIÓN DE PURIFICACIÓN (200) DE LA PLANTA.
CL2018002374A 2016-02-19 2018-08-17 Método de modernización de una planta de procesamiento de melamina a alta presión CL2018002374A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16156505.6A EP3208264A1 (en) 2016-02-19 2016-02-19 Method for revamping a high pressure melamine plant

Publications (1)

Publication Number Publication Date
CL2018002374A1 true CL2018002374A1 (es) 2018-10-12

Family

ID=55404639

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2018002374A CL2018002374A1 (es) 2016-02-19 2018-08-17 Método de modernización de una planta de procesamiento de melamina a alta presión

Country Status (10)

Country Link
US (1) US20190367464A1 (es)
EP (4) EP3208264A1 (es)
CN (1) CN108602784B (es)
AU (1) AU2017219500A1 (es)
BR (1) BR112018016929B1 (es)
CA (1) CA3010560A1 (es)
CL (1) CL2018002374A1 (es)
PL (1) PL3416953T3 (es)
RU (1) RU2018132623A (es)
WO (1) WO2017140465A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3208264A1 (en) 2016-02-19 2017-08-23 Casale SA Method for revamping a high pressure melamine plant
EP4245754A1 (en) 2022-03-15 2023-09-20 Casale Sa Process for the synthesis of melamine
EP4598910A1 (en) 2022-10-07 2025-08-13 Casale Sa Melamine process with a two-stage purification of melamine offgas
AU2023362439A1 (en) 2022-10-21 2025-04-17 Casale Sa Melamine process with purification of melamine offgas
CN116242189A (zh) * 2022-12-14 2023-06-09 河南省中原大化集团有限责任公司 一种新型急冷塔加热装置及应用方法
WO2025181115A1 (en) 2024-02-29 2025-09-04 Casale Sa Method for controlling the offgas scrubber of a melamine plant

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96028C (fi) * 1993-07-01 1996-04-25 Kemira Oy Menetelmä melamiinin valmistamiseksi
EP1129080B1 (de) * 1998-11-13 2003-08-20 Agrolinz Melamin GmbH Verfahren zur herstellung von reinem melamin
EP1054006A1 (en) * 1999-05-20 2000-11-22 Dsm N.V. Method for preparing melamine
NL1014281C2 (nl) * 2000-02-03 2001-08-06 Dsm Nv Werkwijze voor de bereiding van melamine uit ureum.
NL1015929C2 (nl) * 2000-08-14 2002-02-18 Dsm Nv Werkwijze voor de bereiding van melamine uit ureum.
ITMI20011216A1 (it) 2001-06-08 2002-12-08 Eurotecnica Dev And Licensing Procedimento migliorato per la produzione con alte rese di melanina
ITMI20021026A1 (it) * 2002-05-14 2003-11-14 Eurotecnica Dev & Licensing S Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione
EP2222651A2 (en) * 2007-12-20 2010-09-01 DSM IP Assets B.V. Process for the preparation of melamine
IT1391372B1 (it) 2008-10-07 2011-12-13 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento e apparecchiatura per la produzione di melammina da urea
IT1400090B1 (it) 2010-05-06 2013-05-17 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Procedimento a basso consumo energetico per la produzione di melammina ad elevata purezza tramite pirolisi dell'urea, e relativa apparecchiatura
EP3208264A1 (en) 2016-02-19 2017-08-23 Casale SA Method for revamping a high pressure melamine plant

Also Published As

Publication number Publication date
CN108602784A (zh) 2018-09-28
RU2018132623A (ru) 2020-03-19
EP3416953B1 (en) 2020-09-30
EP3524597B1 (en) 2020-04-22
PL3416953T3 (pl) 2021-04-06
WO2017140465A1 (en) 2017-08-24
US20190367464A1 (en) 2019-12-05
EP3521278B1 (en) 2020-04-15
EP3208264A1 (en) 2017-08-23
CN108602784B (zh) 2022-03-25
CA3010560A1 (en) 2017-08-24
EP3416953A1 (en) 2018-12-26
AU2017219500A1 (en) 2018-08-09
EP3524597A1 (en) 2019-08-14
EP3521278A1 (en) 2019-08-07
BR112018016929A2 (pt) 2019-01-08
BR112018016929B1 (pt) 2022-07-26
RU2018132623A3 (es) 2020-03-19

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