FI933105A7 - Menetelmä kemiallisen paperimassan delignifioimiseksi - Google Patents

Menetelmä kemiallisen paperimassan delignifioimiseksi Download PDF

Info

Publication number: FI933105A7
Authority: FI; Finland
Prior art keywords: paper pulp; chemical paper; delignifying chemical; delignifying; pulp
Prior art date: 1992-07-06

Application number

FI933105A

Other languages

English (en)

Swedish (sv)

Other versions

FI933105L (fi

FI933105A0 (fi

Inventor

Patricia B Walsh

Original Assignee

Solvay Interox

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.)

1992-07-06

Filing date

1993-07-06

Publication date

1994-01-07

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25425145&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI933105(A7) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1993-07-06 Application filed by Solvay Interox filed Critical Solvay Interox

1993-07-06 Publication of FI933105A0 publication Critical patent/FI933105A0/fi

1994-01-07 Publication of FI933105A7 publication Critical patent/FI933105A7/fi

1994-01-07 Publication of FI933105L publication Critical patent/FI933105L/fi

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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
- 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
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Superconductors And Manufacturing Methods Therefor (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Polishing Bodies And Polishing Tools (AREA)

FI933105A 1992-07-06 1993-07-06 Foerfarande foer delignifiering av kemisk pappersmassa FI933105L (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US90808392A	1992-07-06	1992-07-06

Publications (3)

Publication Number	Publication Date
FI933105A0 FI933105A0 (fi)	1993-07-06
FI933105A7 true FI933105A7 (fi)	1994-01-07
FI933105L FI933105L (fi)	1994-01-07

Family

ID=25425145

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI933105A FI933105L (fi)	1992-07-06	1993-07-06	Foerfarande foer delignifiering av kemisk pappersmassa

Country Status (13)

Country	Link
US (1)	US5431781A (fi)
EP (1)	EP0578303B1 (fi)
JP (1)	JPH06108392A (fi)
AT (1)	ATE132926T1 (fi)
AU (1)	AU666375B2 (fi)
BR (1)	BR9302768A (fi)
CA (1)	CA2099828A1 (fi)
DE (1)	DE69301285T2 (fi)
ES (1)	ES2086183T3 (fi)
FI (1)	FI933105L (fi)
NZ (1)	NZ248082A (fi)
SI (1)	SI9300364A (fi)
SK (1)	SK70493A3 (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI98841C (fi) *	1994-06-20	1997-08-25	Kemira Chemicals Oy	Menetelmä kemiallisen massan delignifioimiseksi
FI942968L (fi) *	1994-06-20	1995-12-21	Kemira Chemicals Oy	Menetelmä kemiallisen massan delignifioimiseksi
FI942970A7 (fi) *	1994-06-20	1995-12-21	Kemira Chemicals Oy	Menetelmä kemiallisen massan delignifioimiseksi
WO1996025552A1 (en) *	1995-02-17	1996-08-22	Ahlstrom Machinery Oy	Method of pretreating pulp to be bleached with peroxide
FI104572B (fi) *	1996-05-30	2000-02-29	Kemira Chemicals Oy	Menetelmä kemiallisen massan valkaisemiseksi
FR2814180B1 (fr) *	2000-09-18	2003-12-05	Michel Delmas	Procede de blanchiment de pates a papier en milieu organique a hydratation controlee
JP5301237B2 (ja) *	2007-10-17	2013-09-25	新日鉄住金化学株式会社	可溶化リグニン、糖類原料および単糖類原料の製造方法
WO2012166997A2 (en)	2011-05-31	2012-12-06	Clean Chemistry, Llc	Electrochemical reactor and process
CA2900460C (en)	2012-09-07	2021-08-31	Clean Chemistry, Llc	Systems and methods for generation of reactive oxygen species and applications thereof
EP3189016B1 (en)	2014-09-04	2020-06-03	Clean Chemistry, Inc.	Method of water treatment utilizing a peracetate oxidant solution
CA2981034C (en)	2015-03-26	2024-06-25	Clean Chemistry, Inc.	Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10883224B2 (en)	2015-12-07	2021-01-05	Clean Chemistry, Inc.	Methods of pulp fiber treatment
US10611656B2 (en)	2015-12-07	2020-04-07	Clean Chemistry, Inc.	Methods of microbial control
FI127996B (fi)	2016-07-01	2019-07-15	Kemira Oyj	Prosessi sellun käsittelemiseksi
US11136714B2 (en)	2016-07-25	2021-10-05	Clean Chemistry, Inc.	Methods of optical brightening agent removal
US11311012B1 (en)	2017-09-07	2022-04-26	Clean Chemistry, Inc.	Bacterial control in fermentation systems
US11001864B1 (en)	2017-09-07	2021-05-11	Clean Chemistry, Inc.	Bacterial control in fermentation systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1014536A (fr) *	1940-04-01	1952-08-18	Du Pont	Perfectionnements au blanchiment des pâtes de bois
DE3005947B1 (de) *	1980-02-16	1981-01-29	Degussa	Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure
JPS5721591A (en) *	1980-07-11	1982-02-04	Mitsubishi Gas Chemical Co	Peroxide bleaching of wood pulp
US4793898A (en) *	1985-02-22	1988-12-27	Oy Keskuslaboratorio - Centrallaboratorium Ab	Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide
US4826568A (en) *	1985-08-05	1989-05-02	Interox (Societe Anonyme)	Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion

1993
- 1993-06-29 AT AT93201885T patent/ATE132926T1/de active
- 1993-06-29 EP EP93201885A patent/EP0578303B1/fr not_active Revoked
- 1993-06-29 DE DE69301285T patent/DE69301285T2/de not_active Revoked
- 1993-06-29 ES ES93201885T patent/ES2086183T3/es not_active Expired - Lifetime
- 1993-07-02 SK SK704-93A patent/SK70493A3/sk unknown
- 1993-07-02 AU AU41704/93A patent/AU666375B2/en not_active Ceased
- 1993-07-05 JP JP5165494A patent/JPH06108392A/ja active Pending
- 1993-07-05 CA CA002099828A patent/CA2099828A1/fr not_active Abandoned
- 1993-07-05 BR BR9302768A patent/BR9302768A/pt not_active Application Discontinuation
- 1993-07-06 NZ NZ248082A patent/NZ248082A/en unknown
- 1993-07-06 SI SI9300364A patent/SI9300364A/sl unknown
- 1993-07-06 FI FI933105A patent/FI933105L/fi unknown
1994
- 1994-06-22 US US08/264,196 patent/US5431781A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
BR9302768A (pt)	1994-02-08
ES2086183T3 (es)	1996-06-16
AU666375B2 (en)	1996-02-08
DE69301285D1 (de)	1996-02-22
EP0578303B1 (fr)	1996-01-10
EP0578303A1 (fr)	1994-01-12
ATE132926T1 (de)	1996-01-15
AU4170493A (en)	1994-01-13
NZ248082A (en)	1995-12-21
FI933105L (fi)	1994-01-07
CA2099828A1 (fr)	1994-01-07
SK70493A3 (en)	1994-02-02
DE69301285T2 (de)	1996-08-22
FI933105A0 (fi)	1993-07-06
SI9300364A (en)	1994-03-31
JPH06108392A (ja)	1994-04-19
US5431781A (en)	1995-07-11

Publication	Publication Date	Title
FI933104A7 (fi)	1994-01-07	Menetelmä kemiallisen paperimassan delignifioimiseksi
FI942969L (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI944928A7 (fi)	1995-04-23	Menetelmä kemiallisen paperimassan valkaisemiseksi
FI933105A7 (fi)	1994-01-07	Menetelmä kemiallisen paperimassan delignifioimiseksi
FI933066A7 (fi)	1994-01-03	Menetelmä uusiopaperimassan siistaamiseksi
FI915591L (fi)	1992-05-30	Menetelmä paperimassan valmistamiseksi
FI951268A7 (fi)	1995-09-19	Laitteisto massarainan käsittelemiseksi
FI932848A7 (fi)	1993-12-19	Menetelmä paperimassan valkaisemiseksi
FI942968L (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI944348A7 (fi)	1996-03-20	Menetelmä kraft-massan valkaisemiseksi
FI951516L (fi)	1995-03-30	Menetelmä paperin värjäämiseksi
FI942970A7 (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI933057A0 (fi)	1993-07-02	Klorfri process foer blekning av lignocellulosahaltig pappersmassa
FI952161A7 (fi)	1995-05-05	Menetelmä paperin valmistamiseksi
FI114406B (fi)	2004-10-15	Menetelmä paperin valmistamiseksi
FI961654A7 (fi)	1996-04-15	Muodostuslaite rainan muodostamiseksi massasta
FI942424L (fi)	1994-11-27	Parannettu menetelmä massan valkaisemiseksi
FI961975L (fi)	1996-07-09	Menetelmän kemiallisen paperimassan valkaisemiseksi
FI961895L (fi)	1996-05-03	Menetelmä kemiallisen paperimassan valkaisemiseksi
FI950785L (fi)	1996-08-22	Menetelmä massan valkaisemiseksi
FI900236A7 (fi)	1990-07-28	Menetelmä kuitumassojen valkaisemiseksi paperin valmistusta varten
FI943388L (fi)	1995-01-16	Menetelmä paperimassan valkaisemiseksi
FI902034A0 (fi)	1990-04-23	Menetelmä paperin analysoimiseksi
FI944144L (fi)	1995-03-16	Menetelmä paperimassan valkaisemiseksi
FI950200A7 (fi)	1995-09-17	Menetelmä massan valkaisemiseksi