FI933105L - Foerfarande foer delignifiering av kemisk pappersmassa - Google Patents

Foerfarande foer delignifiering av kemisk pappersmassa Download PDF

Info

Publication number: FI933105L
Authority: FI; Finland
Prior art keywords: papersma; kemisk; foerfarande foer; delignifiering; foer delignifiering
Prior art date: 1992-07-06

Application number

FI933105A

Other languages

English (en)

Other versions

FI933105A7 (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(L) "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 FI933105A7 (fi)	1994-01-07
FI933105L true 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
FI942970L (fi) *	1994-06-20	1995-12-21	Kemira Chemicals Oy	Menetelmä kemiallisen massan delignifioimiseksi
FI942968L (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
CN101848920A (zh) *	2007-10-17	2010-09-29	新日铁化学株式会社	可溶化木质素、糖类原料和单糖类原料的制法及可溶化木质素
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
WO2016154531A1 (en)	2015-03-26	2016-09-29	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
WO2017100284A1 (en)	2015-12-07	2017-06-15	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
US11001864B1 (en)	2017-09-07	2021-05-11	Clean Chemistry, Inc.	Bacterial control in fermentation systems
US11311012B1 (en)	2017-09-07	2022-04-26	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 ES ES93201885T patent/ES2086183T3/es not_active Expired - Lifetime
- 1993-06-29 DE DE69301285T patent/DE69301285T2/de not_active Revoked
- 1993-06-29 AT AT93201885T patent/ATE132926T1/de active
- 1993-06-29 EP EP93201885A patent/EP0578303B1/fr not_active Revoked
- 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 BR BR9302768A patent/BR9302768A/pt not_active Application Discontinuation
- 1993-07-05 CA CA002099828A patent/CA2099828A1/fr not_active Abandoned
- 1993-07-05 JP JP5165494A patent/JPH06108392A/ja active Pending
- 1993-07-06 FI FI933105A patent/FI933105L/fi unknown
- 1993-07-06 NZ NZ248082A patent/NZ248082A/en unknown
- 1993-07-06 SI SI9300364A patent/SI9300364A/sl unknown
1994
- 1994-06-22 US US08/264,196 patent/US5431781A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH06108392A (ja)	1994-04-19
US5431781A (en)	1995-07-11
NZ248082A (en)	1995-12-21
EP0578303A1 (fr)	1994-01-12
SK70493A3 (en)	1994-02-02
AU666375B2 (en)	1996-02-08
CA2099828A1 (fr)	1994-01-07
EP0578303B1 (fr)	1996-01-10
DE69301285D1 (de)	1996-02-22
DE69301285T2 (de)	1996-08-22
FI933105A7 (fi)	1994-01-07
ES2086183T3 (es)	1996-06-16
AU4170493A (en)	1994-01-13
SI9300364A (en)	1994-03-31
BR9302768A (pt)	1994-02-08
ATE132926T1 (de)	1996-01-15
FI933105A0 (fi)	1993-07-06

Publication	Publication Date	Title
FI933104L (fi)	1994-01-07	Foerfarande foer delignifiering av kemisk pappersmassa
FI933103L (fi)	1994-01-07	Foerfarande foer blekning av kemisk pappersmassa
FI931774L (fi)	1993-04-20	Foerfarande foer foersegling av avfallsmassa
FI933105L (fi)	1994-01-07	Foerfarande foer delignifiering av kemisk pappersmassa
FI923315L (fi)	1994-01-22	Foerfarande foer foerbaettrande av avlappsvattenslammens vattenavskiljningsfoermaoga
FI532U1 (fi)	1993-02-17	Vaetskeavskiljningsventil foer sprutroeret av en pappers- eller kartongmaskin
FI920947A7 (fi)	1993-09-04	Anordning foer kontrollering av elfoerbrukningen
FI920011L (fi)	1993-07-03	Av roerformade delar bildat vaeggelement
FI924437L (fi)	1994-04-03	Roterande tillaeggsanordning foer foerbaettring av wobblerns faongsteffekt
SE9203239D0 (sv)	1992-11-03	I l-list
FI924722A0 (fi)	1992-10-19	In situ-foerfarande foer foerlaengning av lagringsbestaendighet av oemtaoligaprodukter
NO924816D0 (no)	1992-12-14	Retningsmaaling i broenn
IT229203Y1 (it)	1998-07-02	Gocciolato in marmoresina
BR9201162A (pt)	1992-06-16	Aperfeicoamento em wattimetro
FI1028U1 (fi)	1993-11-19	Kombinationssaog foer framstaellning av en kantad braeda
FI323U1 (fi)	1992-10-16	Kaerl foer filtrering av drickvatten
FI775U1 (fi)	1993-07-02	Oeppningsform foer yttervaegg av betong
FI21U1 (fi)	1992-02-11	Anordning foer uppskattning av avstaond
FI231U1 (fi)	1992-08-28	Staengselplanka av elementtyp
FI240U1 (fi)	1992-09-07	Skyddsrum av betongelement
FI280U1 (fi)	1992-09-25	Foerlaengbar lyftarmkonstruktion foer manoevrering av rullstol
FI311U1 (fi)	1992-10-14	Kaerl foer mellanlagring av sandningsgrus
FI164U1 (fi)	1992-07-09	Traeningskaerra foer traening av travhaest
FI378U1 (fi)	1992-11-20	Golftorkduk av linnefrotte
FI407U1 (fi)	1992-12-03	Anordning foer behandling av paelsdjurs avfallsbehaollare