ES2278312T3 - Purificacion de liquido alcalino de lavado. - Google Patents

Purificacion de liquido alcalino de lavado. Download PDF

Info

Publication number: ES2278312T3
Authority: ES; Spain
Prior art keywords: stream; scrubber; partial; pulp; washing
Prior art date: 2003-04-07
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

Application number

ES04725953T

Other languages

English (en)

Spanish (es)

Inventor

Pasi Pigg

Hannu Sonni

Marjo Toronen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Stora Enso Oyj

Original Assignee

Stora Enso Oyj

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.)

2003-04-07

Filing date

2004-04-06

Publication date

2007-08-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8565931&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2278312(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2004-04-06 Application filed by Stora Enso Oyj filed Critical Stora Enso Oyj

2007-08-01 Application granted granted Critical

2007-08-01 Publication of ES2278312T3 publication Critical patent/ES2278312T3/es

2024-04-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000007788 liquid Substances 0.000 title claims abstract description 30
238000000746 purification Methods 0.000 title description 3
238000000034 method Methods 0.000 claims abstract description 69
230000036961 partial effect Effects 0.000 claims abstract description 45
238000005406 washing Methods 0.000 claims abstract description 38
239000000706 filtrate Substances 0.000 claims abstract description 30
239000000126 substance Substances 0.000 claims abstract description 25
150000002739 metals Chemical class 0.000 claims abstract description 10
239000001913 cellulose Substances 0.000 claims abstract description 9
229920002678 cellulose Polymers 0.000 claims abstract description 9
229910052751 metal Inorganic materials 0.000 claims abstract description 9
239000002184 metal Substances 0.000 claims abstract description 9
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 8
230000007423 decrease Effects 0.000 claims abstract description 8
239000002535 acidifier Substances 0.000 claims abstract description 5
239000003795 chemical substances by application Substances 0.000 claims abstract description 5
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical class O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
239000002253 acid Substances 0.000 claims description 5
229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
239000001569 carbon dioxide Substances 0.000 claims description 5
238000005188 flotation Methods 0.000 claims description 4
150000007513 acids Chemical class 0.000 claims description 3
238000005189 flocculation Methods 0.000 claims description 3
230000016615 flocculation Effects 0.000 claims description 3
229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
239000011707 mineral Chemical class 0.000 claims description 3
239000010802 sludge Substances 0.000 claims description 3
238000005345 coagulation Methods 0.000 claims description 2
230000015271 coagulation Effects 0.000 claims description 2
238000004064 recycling Methods 0.000 abstract description 2
230000009931 harmful effect Effects 0.000 description 8
239000000835 fiber Substances 0.000 description 6
238000011282 treatment Methods 0.000 description 6
230000009467 reduction Effects 0.000 description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
230000003247 decreasing effect Effects 0.000 description 4
229920005610 lignin Polymers 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
238000001914 filtration Methods 0.000 description 3
230000007935 neutral effect Effects 0.000 description 3
229920005989 resin Polymers 0.000 description 3
239000011347 resin Substances 0.000 description 3
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
230000033228 biological regulation Effects 0.000 description 2
229910052791 calcium Inorganic materials 0.000 description 2
239000011575 calcium Substances 0.000 description 2
235000014113 dietary fatty acids Nutrition 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000000194 fatty acid Substances 0.000 description 2
229930195729 fatty acid Natural products 0.000 description 2
150000004665 fatty acids Chemical class 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
239000011777 magnesium Substances 0.000 description 2
239000000123 paper Substances 0.000 description 2
235000018185 Betula X alpestris Nutrition 0.000 description 1
235000018212 Betula X uliginosa Nutrition 0.000 description 1
229940095602 acidifiers Drugs 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
-1 for example Substances 0.000 description 1
230000020477 pH reduction Effects 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
230000006798 recombination Effects 0.000 description 1
238000005215 recombination Methods 0.000 description 1
230000029219 regulation of pH Effects 0.000 description 1
238000007873 sieving Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1
239000002351 wastewater Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Physical Water Treatments (AREA)
Cleaning Or Drying Semiconductors (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Detergent Compositions (AREA)

ES04725953T 2003-04-07 2004-04-06 Purificacion de liquido alcalino de lavado. Expired - Lifetime ES2278312T3 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI20030522		2003-04-07
FI20030522A FI115977B2 (fi)	2003-04-07	2003-04-07	Alkalisen pesunesteen puhdistaminen

Publications (1)

Publication Number	Publication Date
ES2278312T3 true ES2278312T3 (es)	2007-08-01

Family

ID=8565931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES04725953T Expired - Lifetime ES2278312T3 (es)	2003-04-07	2004-04-06	Purificacion de liquido alcalino de lavado.

Country Status (8)

Country	Link
US (1)	US20070039702A1 (de)
EP (1)	EP1611281B1 (de)
JP (1)	JP2006522235A (de)
AT (1)	ATE347636T1 (de)
DE (1)	DE602004003573T2 (de)
ES (1)	ES2278312T3 (de)
FI (1)	FI115977B2 (de)
WO (1)	WO2004090225A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4825709B2 (ja) *	2007-03-15	2011-11-30	三菱製紙株式会社	発泡及びピッチトラブル抑制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5509999A (en) *	1993-03-24	1996-04-23	Kamyr, Inc.	Treatment of bleach plant effluents
US5489363A (en) *	1993-05-04	1996-02-06	Kamyr, Inc.	Pulping with low dissolved solids for improved pulp strength
SE9303762L (sv) *	1993-11-15	1995-05-16	Eka Nobel Ab	Sätt att rena processvatten från massaframställning
FI990127A7 (fi) *	1999-01-22	2000-07-23	Andritz Oy	Menetelmä massan käsittelemiseksi
SE519342C2 (sv) *	1999-10-25	2003-02-18	Andritz Oy	Förfarande och anordning för att avskilja såpa från tvättfiltrat
US6752903B2 (en) *	2001-07-27	2004-06-22	Craig A. Bianchini	Method for mitigating the interference caused by high-molecular weight by-products in pulping processes

2003
- 2003-04-07 FI FI20030522A patent/FI115977B2/fi not_active IP Right Cessation
2004
- 2004-04-06 EP EP04725953A patent/EP1611281B1/de not_active Expired - Lifetime
- 2004-04-06 WO PCT/FI2004/000210 patent/WO2004090225A1/en not_active Ceased
- 2004-04-06 US US10/552,435 patent/US20070039702A1/en not_active Abandoned
- 2004-04-06 ES ES04725953T patent/ES2278312T3/es not_active Expired - Lifetime
- 2004-04-06 AT AT04725953T patent/ATE347636T1/de active
- 2004-04-06 JP JP2006505631A patent/JP2006522235A/ja active Pending
- 2004-04-06 DE DE602004003573T patent/DE602004003573T2/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP1611281B1 (de)	2006-12-06
DE602004003573D1 (de)	2007-01-18
DE602004003573T2 (de)	2007-09-27
WO2004090225A1 (en)	2004-10-21
ATE347636T1 (de)	2006-12-15
FI20030522L (fi)	2004-10-08
JP2006522235A (ja)	2006-09-28
FI20030522A0 (fi)	2003-04-07
US20070039702A1 (en)	2007-02-22
FI115977B2 (fi)	2019-03-29
FI115977B (fi)	2005-08-31
EP1611281A1 (de)	2006-01-04

Publication	Publication Date	Title
FI85037C (fi)	1992-02-25	Foerfarande och anordning foer behandling av avfallstryckpapper.
FI71589C (fi)	1987-01-19	Saett vid rening av en fibersuspension.
SI9012041A (en)	1997-08-31	Chlorine-free bleaching process
JPH07509028A (ja)	1995-10-05	金属の吸着に関するパルプ漂白方法
ES2278312T3 (es)	2007-08-01	Purificacion de liquido alcalino de lavado.
ES2683520T3 (es)	2018-09-26	Procedimiento y sistema para la reducción de fósforo en un efluente o filtrado
WO2019106069A1 (en)	2019-06-06	Method and a system for washing paper pulp
BRPI0709797A2 (pt)	2011-07-26	processo de alvejamento de polpa quÍmica
ES2408254T3 (es)	2013-06-19	Procedimiento para el tratamiento de pasta papelera en conexión con el blanqueo de pasta papelera química
RU2415983C2 (ru)	2011-04-10	Способ отбелки химической целлюлозы
CA2184284C (en)	2001-07-03	Clarifying and/or filtering of green liquor and an apparatus therefor
JPH0217678B2 (de)	1990-04-23
ES2738694T3 (es)	2020-01-24	Procedimiento para reducir fósforo en un efluente o filtrado
ES2734800T3 (es)	2019-12-12	Método para reducir fósforo en efluente o filtrado
US4812207A (en)	1989-03-14	Method of removing lignin from bleach plant effluents
ES2737693T3 (es)	2020-01-15	Procedimiento para reducir fósforo en un efluente o filtrado
JP4309025B2 (ja)	2009-08-05	パルプの処理方法
JP3001990B2 (ja)	2000-01-24	化学的パルプ化により得たパルプの向流洗浄及び漂白方法
JPH05247864A (ja)	1993-09-24	セルロースパルプの漂白法
WO2002075046A1 (en)	2002-09-26	Bleaching of pulp with chlorine dioxide
WO1998021400A1 (en)	1998-05-22	Prebleaching of paperpulp before a peroxide bleaching stage
CA2100741A1 (en)	1994-01-18	Method for waste paper treatment
FI122773B (fi)	2012-06-29	Massan valmistus
FI77276C (fi)	1989-02-10	Foerfarande foer sortering av massa.
JP2000015267A (ja)	2000-01-18	製紙排水の処理方法