BR112015019020A2 - sistema e processo para recuperação de calor do licor negro fraco em um processo de polpação de madeira - Google Patents

sistema e processo para recuperação de calor do licor negro fraco em um processo de polpação de madeira

Info

Publication number
BR112015019020A2
BR112015019020A2 BR112015019020A BR112015019020A BR112015019020A2 BR 112015019020 A2 BR112015019020 A2 BR 112015019020A2 BR 112015019020 A BR112015019020 A BR 112015019020A BR 112015019020 A BR112015019020 A BR 112015019020A BR 112015019020 A2 BR112015019020 A2 BR 112015019020A2
Authority
BR
Brazil
Prior art keywords
black liquor
heat recovery
weak black
recovery system
feeder
Prior art date
Application number
BR112015019020A
Other languages
English (en)
Other versions
BR112015019020B1 (pt
Inventor
Begley Michael
Original Assignee
Veolia Water Tech Inc
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 Veolia Water Tech Inc filed Critical Veolia Water Tech Inc
Publication of BR112015019020A2 publication Critical patent/BR112015019020A2/pt
Publication of BR112015019020B1 publication Critical patent/BR112015019020B1/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • 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

  • Paper (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)

Abstract

sistem e processo para recuperação de calor do licor negro fraco em um processo de polpação de madeira [001] um processo de polpa de madeira inclui produzir licor preto fraco e resfriar o licor tanto quanto recuperar o calor e assim direcionando o lico~·h~gro fraco através de um pulverizador de evaporação de película. um alimentador ou condensador é direcionado para o pulverizador de evaporação de película e alimentador ou condensador é pulverizado na superfície externa de um feixe de tubos. isto resulta alimentador ou condensador sendo vaporizado e produzindo um vapor que pode ser utilizado como uma fonte de calor para outros processos em uma fabrica de celulqse.
BR112015019020-0A 2013-03-14 2014-03-12 Processo para recuperação de calor do licor negro fraco em um processo de polpação de madeira BR112015019020B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/828,634 US8709204B1 (en) 2013-03-14 2013-03-14 System and process for recovering heat from weak black liquor in a wood pulping process
US13/828,634 2013-03-14
PCT/US2014/024860 WO2014159709A1 (en) 2013-03-14 2014-03-12 System and process for recovering heat from weak black liquor in a wood pulping process

Publications (2)

Publication Number Publication Date
BR112015019020A2 true BR112015019020A2 (pt) 2019-07-30
BR112015019020B1 BR112015019020B1 (pt) 2022-01-11

Family

ID=50513460

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015019020-0A BR112015019020B1 (pt) 2013-03-14 2014-03-12 Processo para recuperação de calor do licor negro fraco em um processo de polpação de madeira

Country Status (8)

Country Link
US (1) US8709204B1 (pt)
JP (1) JP6258971B2 (pt)
CN (1) CN105074086B (pt)
AU (1) AU2013203828B2 (pt)
BR (1) BR112015019020B1 (pt)
CA (1) CA2896376C (pt)
WO (1) WO2014159709A1 (pt)
ZA (1) ZA201504578B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018425691B2 (en) * 2018-05-28 2022-06-30 Pierson Capital Environmental (Beijing) Limited Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials

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Also Published As

Publication number Publication date
CN105074086B (zh) 2017-12-19
AU2013203828A1 (en) 2014-10-02
AU2013203828B2 (en) 2015-02-05
CA2896376C (en) 2017-12-19
ZA201504578B (en) 2016-05-25
JP6258971B2 (ja) 2018-01-10
JP2016501993A (ja) 2016-01-21
BR112015019020B1 (pt) 2022-01-11
CN105074086A (zh) 2015-11-18
CA2896376A1 (en) 2014-10-02
WO2014159709A1 (en) 2014-10-02
US8709204B1 (en) 2014-04-29

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/03/2014, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 9A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2713 DE 03-01-2023 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.