BRPI1009542A2 - Method and chemical composition to improve mechanical pulp efficiency - Google Patents
Method and chemical composition to improve mechanical pulp efficiencyInfo
- Publication number
- BRPI1009542A2 BRPI1009542A2 BRPI1009542A BRPI1009542A BRPI1009542A2 BR PI1009542 A2 BRPI1009542 A2 BR PI1009542A2 BR PI1009542 A BRPI1009542 A BR PI1009542A BR PI1009542 A BRPI1009542 A BR PI1009542A BR PI1009542 A2 BRPI1009542 A2 BR PI1009542A2
- Authority
- BR
- Brazil
- Prior art keywords
- chemical composition
- mechanical pulp
- improve mechanical
- pulp efficiency
- efficiency
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/64—Alkaline compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/32—Bleaching 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/400,326 | 2009-03-09 | ||
US12/400,326 US20100224333A1 (en) | 2009-03-09 | 2009-03-09 | Method and chemical composition to improve efficiency of mechanical pulp |
PCT/US2010/026148 WO2010104725A1 (en) | 2009-03-09 | 2010-03-04 | Method and chemical composition to improve efficiency of mechanical pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI1009542A2 true BRPI1009542A2 (en) | 2016-03-22 |
BRPI1009542B1 BRPI1009542B1 (en) | 2020-06-02 |
Family
ID=42104550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI1009542-0A BRPI1009542B1 (en) | 2009-03-09 | 2010-03-04 | METHOD AND CHEMICAL COMPOSITION TO IMPROVE MECHANICAL PULP EFFICIENCY |
Country Status (9)
Country | Link |
---|---|
US (1) | US20100224333A1 (en) |
EP (1) | EP2406425B1 (en) |
JP (1) | JP5669762B2 (en) |
KR (1) | KR101718557B1 (en) |
CN (1) | CN102348848A (en) |
BR (1) | BRPI1009542B1 (en) |
CA (1) | CA2753944C (en) |
RU (1) | RU2530386C2 (en) |
WO (1) | WO2010104725A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040200586A1 (en) * | 2002-07-19 | 2004-10-14 | Martin Herkel | Four stage alkaline peroxide mechanical pulping |
CA2450464C (en) * | 2001-07-19 | 2009-12-22 | Andritz Inc. | Four stage alkaline peroxide mechanical pulping |
US9932709B2 (en) * | 2013-03-15 | 2018-04-03 | Ecolab Usa Inc. | Processes and compositions for brightness improvement in paper production |
JP5910504B2 (en) * | 2010-11-16 | 2016-04-27 | 王子ホールディングス株式会社 | Cellulose fiber aggregate and method for producing the same, defibrated cellulose fiber and method for producing the same, and cellulose fiber composite |
EP2924166A1 (en) * | 2014-03-25 | 2015-09-30 | Basf Se | Method for the manufacture of bleached wood fibre |
BR102014027199B1 (en) * | 2014-07-14 | 2022-10-04 | Nalco Company | METHOD TO IMPROVE THE MANUFACTURING OF SODA OR KRAFT PULP |
WO2017102542A1 (en) * | 2015-12-15 | 2017-06-22 | Metgen Oy | Method for producing mechanical pulp from a biomass comprising lignocellulosic material |
CN106192509A (en) * | 2016-07-20 | 2016-12-07 | 昆明理工大学 | The technique promoting sulfate pulping combined by sodium borohydride and hydrogen peroxide |
CA3066949A1 (en) * | 2017-06-20 | 2018-12-27 | Basf Se | Method of increasing the throughput and/or decreasing energy usage of a pulping process |
CN111139681B (en) * | 2019-12-26 | 2022-09-30 | 广西金桂浆纸业有限公司 | Chemi-mechanical pulp and manufacturing method thereof |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL101170C (en) * | 1951-03-22 | |||
US3013934A (en) * | 1958-08-12 | 1961-12-19 | West Virginia Pulp & Paper Co | High yield pulp from hardwoods |
US3042575A (en) * | 1958-11-24 | 1962-07-03 | Stiftelsen Svensk Cellulosafor | Methods of improving the yield in alkaline digestion of cellulosic material |
SE303088B (en) * | 1963-05-31 | 1968-08-12 | Defibrator Ab | |
US3981765A (en) * | 1969-07-30 | 1976-09-21 | Vita Mayer & C. | Treatment of wood chips with an alkali metal borohydride solution followed by mechanical defibration |
DE2105324A1 (en) | 1969-07-30 | 1972-08-10 | Vita Mayer & C gia F Ih Vita SAS, Mailand (Italien) | Production of papermaking pulps |
JPS4838328B1 (en) | 1970-07-08 | 1973-11-16 | ||
US3933676A (en) * | 1974-04-08 | 1976-01-20 | Ventron Corporation | Stabilized aqueous solutions of sodium borohydride |
SE7806928L (en) | 1977-06-17 | 1978-12-18 | Ventron Corp | REDUCTION PROCEDURE WITH DITIONITE AND SODIUM BORHHYDRID |
US4211605A (en) * | 1978-08-03 | 1980-07-08 | Canadian International Paper Company | High yield chemimechanical pulping processes |
SE422088B (en) * | 1978-11-24 | 1982-02-15 | Mo Och Domsjoe Ab | PROCEDURE FOR THE PREPARATION OF LINDOCELLOLUS CONTENT MATERIALS |
EP0027369A1 (en) | 1979-10-12 | 1981-04-22 | Thiokol Corporation | Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form |
SE446993B (en) * | 1980-07-09 | 1986-10-20 | Mo Och Domsjoe Ab | PROCEDURE FOR THE PREPARATION OF PINK GRINDING MACHINE |
SE451202C (en) * | 1981-04-03 | 1988-11-22 | Ole Axelson | PROCEDURES FOR PREPARING CHEMICAL MECHANICAL |
US4502918A (en) * | 1981-06-10 | 1985-03-05 | Macmillan Bloedel Limited | Two-stage chemical treatment of mechanical wood pulp with sodium sulfite |
JPS60500972A (en) | 1983-03-31 | 1985-06-27 | エリクソン、ドナルド・シ− | Low-temperature recirculating distillation with multiple latent heat exchange |
SE456826B (en) * | 1986-04-18 | 1988-11-07 | Svenska Traeforskningsinst | SET TO REDUCE ENERGY CONSUMPTION BY REFINING CELLULOSALLY MATERIAL |
US5338402A (en) * | 1987-05-25 | 1994-08-16 | Societe Atochem | Process for preparing a bleached chemithermomechanical pulp |
SE457647B (en) | 1987-06-24 | 1989-01-16 | Eka Nobel Ab | SEATED WHITE MATERIAL WITH DITIONITE SOLUTION |
GB2215350B (en) * | 1988-03-16 | 1992-05-20 | Thiokol Morton Inc | Process for bleaching mechanical wood pulp |
US5298118A (en) * | 1988-07-12 | 1994-03-29 | Atochem | Preparation of bleached chemithermomechanical pulp |
FR2634233B1 (en) * | 1988-07-12 | 1995-04-14 | Atochem | PROCESS FOR PRODUCING BLANCHED CHEMICOTHERMOMECHANICAL PASTES |
CA1340348C (en) | 1989-03-23 | 1999-01-26 | Michel Barbe | Bleaching process for the production of high bright pulps |
US5169555A (en) | 1990-11-09 | 1992-12-08 | Morton International, Inc. | Pulp bleaching solution |
SK284917B6 (en) | 1994-12-28 | 2006-02-02 | Minerals Technologies Inc. | Method of improving the brightness of a paper product by treating it with a bleaching agent |
AU4271596A (en) | 1995-12-19 | 1997-07-14 | Kvaerner Hymac Inc. | Process for treating refiner pulp |
KR100228740B1 (en) * | 1997-06-30 | 1999-11-01 | 차동천 | The bleaching method for mechanical pulp |
SE515708C2 (en) | 2000-02-11 | 2001-10-01 | Mo Och Domsjoe Ab | Bleaching of bleached mechanical pulp with oxidizing bleach enhanced with borohydride |
US6881299B2 (en) * | 2001-05-16 | 2005-04-19 | North American Paper Corporation | Refiner bleaching with magnesium oxide and hydrogen peroxide |
US6743332B2 (en) * | 2001-05-16 | 2004-06-01 | Weyerhaeuser Company | High temperature peroxide bleaching of mechanical pulps |
DE60301446T2 (en) * | 2002-06-28 | 2006-06-14 | Rohm & Haas | Process for brightening pulp with hydrosulfite solution |
DE60326113D1 (en) * | 2002-11-05 | 2009-03-26 | Rohm & Haas | Process for bleaching mechanical pulp |
US20040256065A1 (en) * | 2003-06-18 | 2004-12-23 | Aziz Ahmed | Method for producing corn stalk pulp and paper products from corn stalk pulp |
US8945347B2 (en) * | 2004-05-03 | 2015-02-03 | Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses | Method for mechanical pulp production |
AR056309A1 (en) * | 2005-04-08 | 2007-10-03 | Nalco Co | IMPROVED COMPOSITIONS AND PROCESSES FOR PAPER PRODUCTION |
US20080105392A1 (en) * | 2006-11-03 | 2008-05-08 | Duggirala Prasad Y | Method and composition for improving fiber quality and process efficiency in mechanical pulping |
-
2009
- 2009-03-09 US US12/400,326 patent/US20100224333A1/en not_active Abandoned
-
2010
- 2010-03-04 CN CN2010800118287A patent/CN102348848A/en active Pending
- 2010-03-04 CA CA2753944A patent/CA2753944C/en active Active
- 2010-03-04 WO PCT/US2010/026148 patent/WO2010104725A1/en active Application Filing
- 2010-03-04 KR KR1020117023702A patent/KR101718557B1/en active IP Right Grant
- 2010-03-04 RU RU2011135609/12A patent/RU2530386C2/en active
- 2010-03-04 JP JP2011554084A patent/JP5669762B2/en active Active
- 2010-03-04 EP EP10706889.2A patent/EP2406425B1/en active Active
- 2010-03-04 BR BRPI1009542-0A patent/BRPI1009542B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
BRPI1009542B1 (en) | 2020-06-02 |
RU2530386C2 (en) | 2014-10-10 |
KR101718557B1 (en) | 2017-03-21 |
EP2406425B1 (en) | 2019-10-02 |
CN102348848A (en) | 2012-02-08 |
WO2010104725A1 (en) | 2010-09-16 |
JP5669762B2 (en) | 2015-02-18 |
RU2011135609A (en) | 2013-04-20 |
CA2753944A1 (en) | 2010-09-16 |
JP2012519785A (en) | 2012-08-30 |
CA2753944C (en) | 2018-10-02 |
EP2406425A1 (en) | 2012-01-18 |
US20100224333A1 (en) | 2010-09-09 |
KR20110128915A (en) | 2011-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06T | Formal requirements before examination [chapter 6.20 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 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: 10 (DEZ) ANOS CONTADOS A PARTIR DE 02/06/2020, OBSERVADAS AS CONDICOES LEGAIS. |