BR112015001412A2 - métodos para remoção de polpa a partir de madeira e recuperação de produto químico de formação de polpa a partir de licor negro, e para a recuperação de produtos químicos de formação de polpa de madeira a partir de licor negro - Google Patents
métodos para remoção de polpa a partir de madeira e recuperação de produto químico de formação de polpa a partir de licor negro, e para a recuperação de produtos químicos de formação de polpa de madeira a partir de licor negroInfo
- Publication number
- BR112015001412A2 BR112015001412A2 BR112015001412A BR112015001412A BR112015001412A2 BR 112015001412 A2 BR112015001412 A2 BR 112015001412A2 BR 112015001412 A BR112015001412 A BR 112015001412A BR 112015001412 A BR112015001412 A BR 112015001412A BR 112015001412 A2 BR112015001412 A2 BR 112015001412A2
- Authority
- BR
- Brazil
- Prior art keywords
- recovery
- black liquor
- wood
- pulping chemicals
- chloride
- Prior art date
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
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
-
- 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
- D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
- D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products
-
- 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
-
- 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
- D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
-
- 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
- D21C11/10—Concentrating spent liquor by evaporation
-
- 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
- D21C11/10—Concentrating spent liquor by evaporation
- D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
-
- 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
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- 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
- D21C11/12—Combustion of pulp liquors
-
- 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
Landscapes
- Paper (AREA)
Abstract
1 / 1 resumo âmãtodos para remoãão de polpa a partir de madeira e recuperaãão de produto quãmico de formaãão de polpa a partir de licor negro, e para a recuperaãão de produtos quãmicos de formaãão de polpa de madeira a partir de licor negroâ em um digestor, as lascas de madeira e o licor branco sã£o combinados e cozidos sob pressã£o para a formaã§ã£o de polpa da madeira. isto produz licor negro que ã© concentrado e queimado em uma caldeira de recuperaã§ã£o. a caldeira de recuperaã§ã£o produz cinzas que contã©m sã³dio, enxofre, potã¡ssio e cloreto. a cinza ã© dissolvida e submetida a um processo que recupera sulfato de sã³dio e burkeite. a concentraã§ã£o de potã¡ssio e cloreto ã© reduzida, pelo menos em parte, por sujeiã§ã£o da cinzas a um resfriamento adiabã¡tico em um cristalizador que produz glaserita e uma corrente de purga rica em cloreto. por lixiviaã§ã£o da glaserita, sulfato de sã³dio ã© removido a partir da glaserita, deixando o sulfato de potã¡ssio. o sulfato de sã³dio e burkeite recuperados podem ser reciclados e usados como produtos quãmicos de formaã§ã£o de polpa. cloreto e potã¡ssio removidos podem ser ainda tratados de forma adequada ou descartados.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261676102P | 2012-07-26 | 2012-07-26 | |
US61/676,102 | 2012-07-26 | ||
US13/709,140 US8721837B2 (en) | 2012-07-26 | 2012-12-10 | Method for recovering pulping chemicals and reducing the concentration of potassium and chloride therein |
US13/709,140 | 2012-12-10 | ||
PCT/US2013/049293 WO2014018239A1 (en) | 2012-07-26 | 2013-07-03 | Method for recovering pulping chemicals and reducing the concentration of potassium and chloride therein |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112015001412A2 true BR112015001412A2 (pt) | 2017-07-04 |
BR112015001412B1 BR112015001412B1 (pt) | 2021-05-18 |
Family
ID=49993729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112015001412-7A BR112015001412B1 (pt) | 2012-07-26 | 2013-07-03 | métodos para remoção de polpa a partir de madeira e recuperação de produto químico de formação de polpa a partir de licor negro, e para a recuperação de produtos químicos de formação de polpa de madeira a partir de licor negro |
Country Status (9)
Country | Link |
---|---|
US (1) | US8721837B2 (pt) |
JP (1) | JP6014256B2 (pt) |
CN (1) | CN104603357B (pt) |
AU (1) | AU2013203860B2 (pt) |
BR (1) | BR112015001412B1 (pt) |
CA (1) | CA2880041C (pt) |
CL (1) | CL2015000196A1 (pt) |
WO (1) | WO2014018239A1 (pt) |
ZA (1) | ZA201500458B (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE537954C2 (sv) * | 2014-12-17 | 2015-12-01 | Aprotech Engineering Ab | Process for production of a fertilizer comprising potassiumsulfate |
US9574303B2 (en) * | 2015-06-01 | 2017-02-21 | Veolia Water Technologies, Inc. | Method of recovering pulping chemicals from dissolved ash having a high carbonate content |
EP3228743A1 (en) * | 2016-04-05 | 2017-10-11 | L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Selective removal of k+ and cl- from recovery boiler electrostatic precipitator ashes in a kraft process |
WO2024123962A1 (en) * | 2022-12-08 | 2024-06-13 | Veolia Water Technologies, Inc. | Process for producing sulfate of potash from a wood pulping operation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4943482B2 (pt) * | 1971-11-02 | 1974-11-21 | ||
US3954552A (en) | 1974-08-05 | 1976-05-04 | Erco Envirotech Ltd. | Removal of sodium chloride from pulp mill systems |
US3966541A (en) * | 1975-02-20 | 1976-06-29 | Abraham Sadan | Concentration of underground brines in situ by solar evaporation |
JP2637573B2 (ja) * | 1989-10-12 | 1997-08-06 | 三菱重工業株式会社 | パルプ蒸解薬品中の食塩及びカリウム塩の除去方法 |
US5549788A (en) * | 1992-07-30 | 1996-08-27 | A. Ahlstrom Corporation | Minimal effluents discharge pulp mill with chemical recovery |
JPH08170288A (ja) * | 1994-12-15 | 1996-07-02 | Mitsubishi Heavy Ind Ltd | ソーダ回収ボイラの捕集灰からの食塩及びカリウム塩の除去方法 |
SE9502583D0 (sv) * | 1995-07-12 | 1995-07-12 | Eka Chemicals Ab | Leaching process |
US5922171A (en) | 1997-01-24 | 1999-07-13 | Eco-Tec Limited | Method and apparatus for removing sodium chloride from pulping chemicals using an amphoteric ion-exchange resin |
US8052763B2 (en) * | 2008-05-29 | 2011-11-08 | Hpd, Llc | Method for removing dissolved solids from aqueous waste streams |
EP2427598B1 (en) | 2009-05-06 | 2016-01-06 | Valmet Aktiebolag | Process for improved leaching of electrostatic precipitator ash from a recovery boiler |
US8246779B2 (en) | 2009-09-24 | 2012-08-21 | Noram Engineering And Constructors Ltd. | Maintenance of sulfur concentration in Kraft pulp processes |
-
2012
- 2012-12-10 US US13/709,140 patent/US8721837B2/en active Active
-
2013
- 2013-04-11 AU AU2013203860A patent/AU2013203860B2/en not_active Ceased
- 2013-07-03 BR BR112015001412-7A patent/BR112015001412B1/pt active IP Right Grant
- 2013-07-03 CA CA2880041A patent/CA2880041C/en active Active
- 2013-07-03 WO PCT/US2013/049293 patent/WO2014018239A1/en active Application Filing
- 2013-07-03 CN CN201380039538.7A patent/CN104603357B/zh active Active
- 2013-07-03 JP JP2015524298A patent/JP6014256B2/ja active Active
-
2015
- 2015-01-22 ZA ZA2015/00458A patent/ZA201500458B/en unknown
- 2015-01-26 CL CL2015000196A patent/CL2015000196A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
AU2013203860B2 (en) | 2015-01-29 |
BR112015001412B1 (pt) | 2021-05-18 |
US8721837B2 (en) | 2014-05-13 |
JP6014256B2 (ja) | 2016-10-25 |
ZA201500458B (en) | 2016-09-28 |
CN104603357B (zh) | 2017-03-29 |
CA2880041A1 (en) | 2014-01-30 |
WO2014018239A1 (en) | 2014-01-30 |
AU2013203860A1 (en) | 2014-02-13 |
US20140027076A1 (en) | 2014-01-30 |
CA2880041C (en) | 2017-02-14 |
CL2015000196A1 (es) | 2015-08-28 |
JP2015522726A (ja) | 2015-08-06 |
CN104603357A (zh) | 2015-05-06 |
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Legal Events
Date | Code | Title | Description |
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B25D | Requested change of name of applicant approved |
Owner name: VEOLIA WATER TECHNOLOGIES, INC. (US) |
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06I | Publication of requirement cancelled [chapter 6.9 patent gazette] |
Free format text: ANULADA A PUBLICACAO CODIGO 6.6.1 NA RPI NO 2462 DE 13/03/2018 POR TER SIDO INDEVIDA. |
|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 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 03/07/2013, OBSERVADAS AS CONDICOES LEGAIS. |