ES2091127T3 - Un metodo de producir lejia verde en recuperacion quimica en fabricas de pasta papelera al sulfato y al sulfito. - Google Patents
Un metodo de producir lejia verde en recuperacion quimica en fabricas de pasta papelera al sulfato y al sulfito.Info
- Publication number
- ES2091127T3 ES2091127T3 ES94902152T ES94902152T ES2091127T3 ES 2091127 T3 ES2091127 T3 ES 2091127T3 ES 94902152 T ES94902152 T ES 94902152T ES 94902152 T ES94902152 T ES 94902152T ES 2091127 T3 ES2091127 T3 ES 2091127T3
- Authority
- ES
- Spain
- Prior art keywords
- calcium
- bleach
- residual liquor
- produced
- green
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000000126 substance Substances 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 239000005031 sulfite paper Substances 0.000 title 1
- 229910021653 sulphate ion Inorganic materials 0.000 title 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 4
- 239000011575 calcium Substances 0.000 abstract 4
- 229910052791 calcium Inorganic materials 0.000 abstract 4
- 238000002485 combustion reaction Methods 0.000 abstract 3
- 230000008018 melting Effects 0.000 abstract 3
- 238000002844 melting Methods 0.000 abstract 3
- 238000010411 cooking Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green 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
- D21C11/0085—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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Paper (AREA)
- Fertilizers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
CUANDO SE PRODUCE LEJIA VERDE PARA POSTERIOR FABRICACION DE LICOR DE COCCION, SE TRATA DE QUE LA LEJIA VERDE SEA FACILMENTE CLARIFICADA Y/O FACILMENTE FILTRADA. ESTE INTENTO SE REALIZA CON LA PRESENTE INVENCION, QUE SE REFIERE A UN METODO PARA PRODUCIR LIEJIA VERDE EN EL QUE SE ELABORA LICOR RESIDUAL SEPARADO DE PULPA DE CELULOSA Y DERIVADO A PARTIR DE UNA FASE DE COCCION Y POSIBLEMENTE A PARTIR DE UNA O MAS FASES DE BLANQUEADO INCLUYENDO FASES DE TRATAMIENTO TALES COMO EVAPORACION, COMBUSTION, FUSION Y OTRA PREPARACION DE LA LEJIA VERDE, Y EN EL QUE SE AÑADE AL LICOR RESIDUAL EN EL MOMENTO UN PRODUCTO QUIMICO QUE CONTIENE CALCIO ANTES DE LA COMBUSTION, O ES AÑADIDO EN LA COMBUSTION DEL LICOR RESIDUAL. EL METODO ESTA CARACTERIZADO EN QUE EL CARBONO QUE SE DERIVA DE LA FUSION SE PRODUCE PARA IGUALAR A LO MAS EL 0,3 DE PESO PROMILLAGE, CALCULADO EN LA FUSION DURANTE Y DESPUES DE DISOLVER EL PRODUCTO FUNDIDO EN LIQUIDO; Y EN QUE LA ADICION DE CALCIO ESTA CONTROLADA DE TAL FORMA QUE LA CANTIDADDE CALCIO AÑADIDA JUNTO CON LA CANTIDAD DE CALCIO QUE YA ESTA PRESENTE IGUALARA AL MENOS 3/4 DE LA CANTIDAD DE MAGNESIO PRESENTE EN EL LICOR RESIDUAL CALCULADO EN MOLES; Y EN QUE LA ADICION ES A LO MAS EL 10% POR PESO DE SODIO MAS EL AZUFRE PRESENTE EN EL LICOR RESIDUAL.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9203634A SE500660C2 (sv) | 1992-12-03 | 1992-12-03 | Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2091127T3 true ES2091127T3 (es) | 1996-10-16 |
Family
ID=20388008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94902152T Expired - Lifetime ES2091127T3 (es) | 1992-12-03 | 1993-11-29 | Un metodo de producir lejia verde en recuperacion quimica en fabricas de pasta papelera al sulfato y al sulfito. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5628875A (es) |
| EP (1) | EP0672211B1 (es) |
| JP (1) | JP3278746B2 (es) |
| AT (1) | ATE141354T1 (es) |
| AU (1) | AU667612B2 (es) |
| CA (1) | CA2150243C (es) |
| DE (1) | DE69304082T2 (es) |
| ES (1) | ES2091127T3 (es) |
| FI (1) | FI110129B (es) |
| NO (1) | NO306566B1 (es) |
| NZ (1) | NZ258661A (es) |
| SE (1) | SE500660C2 (es) |
| WO (1) | WO1994012723A1 (es) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9202419D0 (sv) * | 1992-08-24 | 1992-08-24 | Eka Nobel Ab | Reduction of chloride in pulping chemical recovery systems |
| FI96879C (fi) * | 1994-03-15 | 1999-07-14 | Ahlstrom Machinery Oy | Menetelmä ja laite viherlipeän käsittelemiseksi |
| SE501877C2 (sv) * | 1994-05-13 | 1995-06-12 | Kvaerner Pulping Tech | Förfarande för att fälla magnesium med aluminium vid grönlutsklarning |
| US5683993A (en) * | 1995-06-22 | 1997-11-04 | Ciba Vision Corporation | Compositions and methods for stabilizing polymers |
| RU2141017C1 (ru) * | 1999-03-29 | 1999-11-10 | Оао "Цнииб" | СПОСОБ НЕЙТРАЛИЗАЦИИ ОТРАБОТАННОГО ЩЕЛОКА НА Mg ОСНОВАНИИ ПЕРЕД УПАРИВАНИЕМ ПРИ ПРОИЗВОДСТВЕ ЦЕЛЛЮЛОЗЫ |
| RU2149231C1 (ru) * | 1999-08-10 | 2000-05-20 | Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" | Способ получения бисульфитного варочного раствора на магниевом основании для производства целлюлозы |
| CN1225586C (zh) * | 2002-02-09 | 2005-11-02 | 艾栋 | 改进的造纸黑液碱回收新工艺 |
| SE524247C2 (sv) * | 2002-11-25 | 2004-07-13 | Kvaerner Pulping Tech | Metod vid produktion av grönlut |
| RU2303093C1 (ru) * | 2005-12-06 | 2007-07-20 | Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") | Способ получения бисульфитного варочного раствора на магниевом основании для варки целлюлозы с использованием регенерированных химикатов |
| RU2306373C1 (ru) * | 2005-12-22 | 2007-09-20 | Открытое акционерное общество "Центральный научно-исследовательский институт бумаги" (ОАО "ЦНИИБ") | Способ получения бисульфитного варочного раствора на магниевом основании для производства целлюлозы |
| US7735435B2 (en) * | 2006-05-24 | 2010-06-15 | Diamond Power International, Inc. | Apparatus for cleaning a smelt spout of a combustion device |
| FI122237B (fi) * | 2007-06-15 | 2011-10-31 | Andritz Oy | Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla |
| SE533833C2 (sv) * | 2009-04-02 | 2011-02-01 | Cleanflow Ab | Metod och anordning för klarning av grönlut |
| CN104066885B (zh) * | 2011-11-04 | 2015-10-21 | 维美德公司 | 苛化工艺制备白液的方法 |
| SE541161C2 (en) * | 2017-11-17 | 2019-04-23 | Valmet Oy | Green liquor clarification using sedimentation tank during white liquor preparation |
| FI129877B (en) * | 2018-02-16 | 2022-10-14 | Upm Kymmene Corp | Method for treating calcium-containing solid sidestream material |
| FI130092B (en) * | 2019-08-22 | 2023-01-31 | Valmet Technologies Oy | Method and system for adjusting the pH of green liquor sludge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3366535A (en) * | 1966-07-11 | 1968-01-30 | William T Neiman | Process for regenerating waste liquor for reuse in kraft pulping operation |
| SE456254B (sv) * | 1987-02-12 | 1988-09-19 | Korsnes Ab | Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning |
| SE467465C (sv) * | 1990-11-21 | 2002-01-15 | Caustec Ab | Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper |
| SE505270C2 (sv) * | 1993-06-04 | 1997-07-28 | Korsnaes Ab | Svartlutsförbränning med mesatillsats |
-
1992
- 1992-12-03 SE SE9203634A patent/SE500660C2/sv not_active IP Right Cessation
-
1993
- 1993-11-29 AT AT94902152T patent/ATE141354T1/de not_active IP Right Cessation
- 1993-11-29 AU AU56623/94A patent/AU667612B2/en not_active Ceased
- 1993-11-29 EP EP94902152A patent/EP0672211B1/en not_active Expired - Lifetime
- 1993-11-29 DE DE69304082T patent/DE69304082T2/de not_active Expired - Fee Related
- 1993-11-29 ES ES94902152T patent/ES2091127T3/es not_active Expired - Lifetime
- 1993-11-29 WO PCT/SE1993/001028 patent/WO1994012723A1/en not_active Ceased
- 1993-11-29 JP JP51305994A patent/JP3278746B2/ja not_active Expired - Fee Related
- 1993-11-29 US US08/446,852 patent/US5628875A/en not_active Expired - Fee Related
- 1993-11-29 NZ NZ258661A patent/NZ258661A/en unknown
- 1993-11-29 CA CA002150243A patent/CA2150243C/en not_active Expired - Fee Related
-
1995
- 1995-06-02 FI FI952700A patent/FI110129B/fi not_active IP Right Cessation
- 1995-06-02 NO NO952216A patent/NO306566B1/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI952700A0 (fi) | 1995-06-02 |
| NZ258661A (en) | 1996-06-25 |
| FI952700L (fi) | 1995-06-02 |
| NO306566B1 (no) | 1999-11-22 |
| SE500660C2 (sv) | 1994-08-01 |
| US5628875A (en) | 1997-05-13 |
| WO1994012723A1 (en) | 1994-06-09 |
| CA2150243C (en) | 2006-01-31 |
| SE9203634D0 (sv) | 1992-12-03 |
| DE69304082T2 (de) | 1997-03-06 |
| EP0672211A1 (en) | 1995-09-20 |
| ATE141354T1 (de) | 1996-08-15 |
| NO952216L (no) | 1995-06-02 |
| SE9203634L (sv) | 1994-06-04 |
| EP0672211B1 (en) | 1996-08-14 |
| NO952216D0 (no) | 1995-06-02 |
| AU667612B2 (en) | 1996-03-28 |
| DE69304082D1 (de) | 1996-09-19 |
| CA2150243A1 (en) | 1994-06-09 |
| FI110129B (fi) | 2002-11-29 |
| JP3278746B2 (ja) | 2002-04-30 |
| JPH08504006A (ja) | 1996-04-30 |
| AU5662394A (en) | 1994-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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