CL2008002309A1 - Metodo para inhibir el ensuciamiento de un tamiz de extraccion de licor negro en un recipiente de coccion para la obtencion semiquimica de pulpa, que comprende agregar licor blanco y una base al recipiente de coccion en o cerca del tamiz de extraccion, para elevar localmente el ph en dicha zona. - Google Patents
Metodo para inhibir el ensuciamiento de un tamiz de extraccion de licor negro en un recipiente de coccion para la obtencion semiquimica de pulpa, que comprende agregar licor blanco y una base al recipiente de coccion en o cerca del tamiz de extraccion, para elevar localmente el ph en dicha zona.Info
- Publication number
- CL2008002309A1 CL2008002309A1 CL2008002309A CL2008002309A CL2008002309A1 CL 2008002309 A1 CL2008002309 A1 CL 2008002309A1 CL 2008002309 A CL2008002309 A CL 2008002309A CL 2008002309 A CL2008002309 A CL 2008002309A CL 2008002309 A1 CL2008002309 A1 CL 2008002309A1
- Authority
- CL
- Chile
- Prior art keywords
- cooking vessel
- extraction sieve
- sieve
- black liquor
- lignin
- 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
- D21C3/00—Pulping cellulose-containing materials
-
- 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
- D21C7/00—Digesters
Landscapes
- Paper (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95444607P | 2007-08-07 | 2007-08-07 | |
US12/173,132 US20090038767A1 (en) | 2007-08-07 | 2008-07-15 | Method and System for Semi-Chemical Pulping |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2008002309A1 true CL2008002309A1 (es) | 2009-03-13 |
Family
ID=40345370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2008002309A CL2008002309A1 (es) | 2007-08-07 | 2008-08-06 | Metodo para inhibir el ensuciamiento de un tamiz de extraccion de licor negro en un recipiente de coccion para la obtencion semiquimica de pulpa, que comprende agregar licor blanco y una base al recipiente de coccion en o cerca del tamiz de extraccion, para elevar localmente el ph en dicha zona. |
Country Status (10)
Country | Link |
---|---|
US (1) | US20090038767A1 (ja) |
JP (1) | JP5060421B2 (ja) |
CN (1) | CN101387087B (ja) |
AU (1) | AU2008203206B2 (ja) |
BR (1) | BRPI0803333A2 (ja) |
CL (1) | CL2008002309A1 (ja) |
ES (1) | ES2525700T3 (ja) |
PT (1) | PT2034090E (ja) |
RU (1) | RU2479682C2 (ja) |
ZA (1) | ZA200806264B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100263813A1 (en) * | 2009-04-21 | 2010-10-21 | Andritz Inc. | Green liquor pretreatment of lignocellulosic material |
RU2515518C1 (ru) * | 2010-07-09 | 2014-05-10 | Метсо Пейпер Свиден Аб | Способ и система пропитки щепы |
CN102787521A (zh) * | 2011-05-16 | 2012-11-21 | 张世乐 | 一种用于间歇蒸煮的蒸煮液补偿技术 |
CN102704296B (zh) * | 2012-07-09 | 2014-06-18 | 江苏联海生物科技有限公司 | 一种预处理秸秆类原料的工艺 |
CN105019290B (zh) * | 2015-08-03 | 2017-01-11 | 海南金海浆纸业有限公司 | 一种制浆造纸蒸解釜筛板处理方法 |
UY39227A (es) * | 2020-05-22 | 2021-12-31 | Suzano Sa | Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft |
CN112025906B (zh) * | 2020-09-10 | 2021-11-16 | 大禾(上海)环保科技有限公司 | 一种秸秆联产黄腐酸的无胶无醛纤维板生产工艺 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1432245A (en) * | 1972-05-01 | 1976-04-14 | Westvaco Corp | Method of pulping wood |
US3811995A (en) * | 1972-09-05 | 1974-05-21 | Westvaco Corp | Method of high yield semichemical pulp production |
JPS53119302A (en) * | 1977-03-19 | 1978-10-18 | Toyo Pulp Co Ltd | Production of alkali pulp |
JPS569494A (en) * | 1979-06-29 | 1981-01-30 | Mitsubishi Heavy Ind Ltd | Causticizing method and apparatus of green liquor |
CA2037717C (en) * | 1990-09-17 | 1996-03-05 | Bertil Stromberg | Extended kraft cooking with white liquor added to wash circulation |
US6132556A (en) * | 1993-05-04 | 2000-10-17 | Andritz-Ahlstrom Inc. | Method of controlling pulp digester pressure via liquor extraction |
US5565061A (en) * | 1994-06-14 | 1996-10-15 | Salminen; Reijo | Method and apparatus for removing scales deposited on the strainer of a pulp digester |
US5536367A (en) * | 1995-01-25 | 1996-07-16 | Salminen; Reijo K. | Pulp digester cleaning system |
US6248208B1 (en) * | 1995-06-02 | 2001-06-19 | Andritz-Ahlstrom Inc. | Pretreatment of chips before cooking |
CN1201851A (zh) * | 1998-05-22 | 1998-12-16 | 陈源 | 棉浆及其他粗浆清洁生产工艺 |
JP2000080580A (ja) * | 1998-09-04 | 2000-03-21 | Daishowa Paper Mfg Co Ltd | 連続蒸解釜におけるスケ−ル除去方法 |
US6277240B1 (en) * | 1998-10-02 | 2001-08-21 | Andritz-Ahlstrom Inc. | Method for continuously pulping cellulosic fibrous material |
US20010032711A1 (en) * | 1998-10-26 | 2001-10-25 | C. Bertil Stromberg | Pulp cooking with particular alkali profiles |
MY129053A (en) * | 2001-06-06 | 2007-03-30 | Thermphos Trading Gmbh | Composition for inhibiting calcium salt scale |
FI120547B (fi) * | 2004-10-04 | 2009-11-30 | Metso Paper Inc | Alkalinen keittomenetelmä ja laitteisto massan valmistamiseksi |
FI126694B (fi) * | 2005-12-02 | 2017-04-13 | Metsä Board Oyj | Kemimekaaninen massa ja menetelmä sen valmistamiseksi |
-
2008
- 2008-07-15 US US12/173,132 patent/US20090038767A1/en not_active Abandoned
- 2008-07-18 AU AU2008203206A patent/AU2008203206B2/en not_active Ceased
- 2008-07-18 ZA ZA200806264A patent/ZA200806264B/en unknown
- 2008-07-24 RU RU2008130768/12A patent/RU2479682C2/ru not_active IP Right Cessation
- 2008-07-30 ES ES08013659.1T patent/ES2525700T3/es active Active
- 2008-07-30 PT PT80136591T patent/PT2034090E/pt unknown
- 2008-08-01 JP JP2008199466A patent/JP5060421B2/ja not_active Expired - Fee Related
- 2008-08-06 CL CL2008002309A patent/CL2008002309A1/es unknown
- 2008-08-06 BR BRPI0803333-1A patent/BRPI0803333A2/pt not_active Application Discontinuation
- 2008-08-07 CN CN2008101349531A patent/CN101387087B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
RU2008130768A (ru) | 2010-01-27 |
ZA200806264B (en) | 2009-10-28 |
BRPI0803333A2 (pt) | 2009-04-07 |
AU2008203206A1 (en) | 2009-02-26 |
AU2008203206B2 (en) | 2011-12-15 |
US20090038767A1 (en) | 2009-02-12 |
CN101387087A (zh) | 2009-03-18 |
JP2009041175A (ja) | 2009-02-26 |
JP5060421B2 (ja) | 2012-10-31 |
RU2479682C2 (ru) | 2013-04-20 |
CN101387087B (zh) | 2013-05-15 |
ES2525700T3 (es) | 2014-12-29 |
PT2034090E (pt) | 2014-12-19 |
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