BRPI0401777A - Processo de desidratação de etanol e de refluxos etanólicos, por destilação azeotrópica, com economia de energia - Google Patents

Processo de desidratação de etanol e de refluxos etanólicos, por destilação azeotrópica, com economia de energia

Info

Publication number
BRPI0401777A
BRPI0401777A BR0401777-3A BRPI0401777A BRPI0401777A BR PI0401777 A BRPI0401777 A BR PI0401777A BR PI0401777 A BRPI0401777 A BR PI0401777A BR PI0401777 A BRPI0401777 A BR PI0401777A
Authority
BR
Brazil
Prior art keywords
ethanolic
energy
saving
azeotropic distillation
dehydration
Prior art date
Application number
BR0401777-3A
Other languages
English (en)
Inventor
Pierre Olivier Cogat
Original Assignee
Ungda
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 Ungda filed Critical Ungda
Publication of BRPI0401777A publication Critical patent/BRPI0401777A/pt

Links

Classifications

    • 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
    • B01D3/001—Processes specially adapted for distillation or rectification of fermented solutions
    • B01D3/003—Rectification of spirit
    • B01D3/004—Rectification of spirit by continuous methods
    • B01D3/005—Combined distillation and rectification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/28—Evaporating with vapour compression
    • B01D1/284—Special features relating to the compressed vapour
    • B01D1/2856—The compressed vapour is used for heating a reboiler or a heat exchanger outside an evaporator
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/146—Multiple effect distillation
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
    • B01D3/322—Reboiler specifications
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

"PROCESSO DE DESIDRATAçãO DE ETANOL E DE REFLUXOS ETANóLICOS, POR DESTILAçãO AZEOTRóPICA, COM ECONOMIA DE ENERGIA". A invenção refere-se a um processo de desidratação de etanol e de refluxos etanólicos, por destilação azeotrópica, com economia de energia. O dispositivo para economizar energia associa vários dispositivos que são notadamente: - o aquecimento em duplo efeito da coluna de regeneração da fase pesada CR, sob vácuo, pela coluna de desidratação CD funcionando sob pressão, - a retomada das calorias disponíveis no topo da coluna de desidratação para um conjunto compreendendo trocadores E1, E4 e compressor de jato(s) de vapor T, - uma dessolvatação, em terceiro corpo, da fase pesada extraída, alimentando a coluna de regeneração CR, por uma adição de água. A invenção, a título de exemplo, permite desidratar os refluxos etanólicos contendo 7,54 % em peso de água, até um teor de 2.500 ppm, consumindo menos de 50 kg de vapor a 21 ba, Vhp, para uma quantidade trabalhada correspondendo a um hectolitro de álcool puro, em uma usina de destilação com duas colunas, com o ciclo-hexano como o terceiro corpo.
BR0401777-3A 2003-05-21 2004-05-18 Processo de desidratação de etanol e de refluxos etanólicos, por destilação azeotrópica, com economia de energia BRPI0401777A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0306092A FR2855170B1 (fr) 2003-05-21 2003-05-21 Procede de deshydratation d'ethanol et de flegmes ethanoliques par distillation azeotropique en economie d'energie

Publications (1)

Publication Number Publication Date
BRPI0401777A true BRPI0401777A (pt) 2005-01-25

Family

ID=33396630

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0401777-3A BRPI0401777A (pt) 2003-05-21 2004-05-18 Processo de desidratação de etanol e de refluxos etanólicos, por destilação azeotrópica, com economia de energia

Country Status (2)

Country Link
BR (1) BRPI0401777A (pt)
FR (1) FR2855170B1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2907023B1 (fr) * 2006-10-17 2011-04-15 Maguin Sas Nouveau procede de deshydratation d'alcool et installation pour sa mise en oeuvre.
NO328571B1 (no) 2007-10-12 2010-03-22 Epcon Energy & Process Control Fremgangsmate ved avvanning av en blanding av overveiende etanol og vann
FR2933312A1 (fr) * 2008-07-01 2010-01-08 Pierre Olivier Cogat Appareillage destine a la deshydratation de composes volatils, du type a compression mecanique des vapeurs, ainsi que des procedes pour sa mise en oeuvre.
KR101172422B1 (ko) * 2009-12-11 2012-08-08 에스케이씨 주식회사 폐열 회수 시스템
FR2970479A1 (fr) * 2011-01-14 2012-07-20 Pierre Olivier Cognat Appareillage pour transferer l'energie disponible au niveau d'un alambic a pression comportant un ejecteur a jet de vapeur vers un alambic fonctionnant sous vide. procedes pour sa mise en oeuvre
CN102719282A (zh) * 2012-07-03 2012-10-10 华东理工大学 基于车用燃料和以甲基叔丁基醚为夹带剂的乙醇-水分离方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE710797C (de) * 1938-07-27 1941-09-22 Dizem S A Verfahren und Einrichtung zum kontinuierlichen Gewinnen von Alkohol aus unreinen alkoholischen Fluessigkeiten, insbesondere Rohalkohol
DE1114168B (de) * 1960-08-03 1961-09-28 Bayer Ag Destillationsvorrichtung mit Waermepumpe
NL271636A (pt) * 1961-11-15
US4306942A (en) * 1980-06-27 1981-12-22 Raphael Katzen Associates International, Inc. Hydrous alcohol distillation method and apparatus
FR2834516B1 (fr) * 2001-12-05 2004-05-28 Ungda Procede d'economie d'energie pour la production d'alcool rectifie par distillation, a faible taux d'extraction des impuretes, a partir de mouts fermentes

Also Published As

Publication number Publication date
FR2855170A1 (fr) 2004-11-26
FR2855170B1 (fr) 2006-07-28

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired