FI920048A7 - Fiberization pretreatment method - Google Patents

Fiberization pretreatment method Download PDF

Info

Publication number: FI920048A7
Authority: FI; Finland
Prior art keywords: fiberization; pretreatment method; pretreatment; fiberization pretreatment
Prior art date: 1991-01-07

Application number

FI920048A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI920048L (en

FI920048A0 (en

Inventor

Ulrike Tschirner

Harry Wilder

Original Assignee

Scott Paper Co

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.)

1991-01-07

Filing date

1992-01-03

Publication date

1992-07-08

1992-01-03 Application filed by Scott Paper Co filed Critical Scott Paper Co

1992-01-03 Publication of FI920048A0 publication Critical patent/FI920048A0/en

1992-07-08 Publication of FI920048A7 publication Critical patent/FI920048A7/en

1992-07-08 Publication of FI920048L publication Critical patent/FI920048L/en

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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Mechanical Engineering (AREA)
Paper (AREA)

FI920048A 1991-01-07 1992-01-03 FOERBEHANDLINGSFOERFARANDE FOER DEFIBRERING. FI920048L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US63824491A	1991-01-07	1991-01-07

Publications (3)

Publication Number	Publication Date
FI920048A0 FI920048A0 (en)	1992-01-03
FI920048A7 true FI920048A7 (en)	1992-07-08
FI920048L FI920048L (en)	1992-07-08

Family

ID=24559219

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI920048A FI920048L (en)	1991-01-07	1992-01-03	FOERBEHANDLINGSFOERFARANDE FOER DEFIBRERING.

Country Status (9)

Country	Link
EP (1)	EP0494519A1 (en)
AU (1)	AU660435B2 (en)
BR (1)	BR9105643A (en)
CA (1)	CA2057231A1 (en)
FI (1)	FI920048L (en)
MX (1)	MX9102773A (en)
NO (1)	NO920082L (en)
NZ (1)	NZ240910A (en)
PT (1)	PT99980A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7001484B2 (en)	2000-05-04	2006-02-21	University Of New Brunswick	Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
SE520874E (en)	2001-11-30	2013-01-15	Stfi Packforsk Ab	Removal of inorganic elements from wood chips before cooking to pulp
US7384502B2 (en) *	2002-12-24	2008-06-10	Nippon Paper Industries Co., Ltd.	Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightness
US8268122B2 (en)	2005-12-02	2012-09-18	Akzo Nobel N.V.	Process of producing high-yield pulp
ATE514813T1 (en) *	2005-12-02	2011-07-15	Akzo Nobel Nv	METHOD FOR PRODUCING HIGH YIELD PULP
US8262851B2 (en) *	2006-08-10	2012-09-11	Andritz Inc.	Processes and systems for the pulping of lignocellulosic materials
DE102007022754A1 (en) *	2007-05-11	2008-11-13	Voith Patent Gmbh	Method for reducing the heavy metal content of lignocellulosic raw material
WO2010139589A1 (en) *	2009-06-02	2010-12-09	Akzo Nobel Chemicals International B.V.	Process for producing mechanical pulp
CN101748634B (en) *	2009-12-16	2011-09-14	陕西科技大学	Improved APMP pulping method
EP2348154A1 (en) *	2010-01-22	2011-07-27	Andritz AG	Method for manufacturing wooden material
CN102242512A (en) *	2011-04-30	2011-11-16	李刚荣	Environmentally-friendly paper making and pulping technique and system with high yield
US20130126109A1 (en) *	2011-11-17	2013-05-23	Buckman Laboratories International, Inc.	Silicate Free Refiner Bleaching
CN103757955B (en) *	2014-01-06	2016-08-24	南京林业大学	A kind of APMP technique of improving improves the new method of pulp strength
EP2949812A1 (en) *	2014-05-27	2015-12-02	Jokiel & Ullmann Consulting GbR	Mixture for preparing an impregnation liquor for the impregnation of papers and nonwoven hybrid fabrics
SE542430C2 (en) *	2017-09-19	2020-04-28	Domsjoe Fabriker Ab	Removal of inorganic elements from wood chips

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3251731A (en) *	1963-02-11	1966-05-17	Andrew J Gard	Bleaching of wood pulp with a sequestering agent and hydrogen peroxide
SE454186C (en) *	1985-03-13	1989-09-25	Eka Nobel Ab	SET FOR PREPARATION OF CHEMICAL MECHANICAL
WO1987001746A1 (en) *	1985-09-20	1987-03-26	Scott Paper Company	Method of pretreating pulp with stabilizers and peroxide prior to mechanical refining
US4849053A (en) *	1985-09-20	1989-07-18	Scott Paper Company	Method for producing pulp using pre-treatment with stabilizers and defibration
US4960399A (en) *	1988-07-14	1990-10-02	Lyon Richard A	Diver's utility console

1991
- 1991-12-06 CA CA002057231A patent/CA2057231A1/en not_active Abandoned
- 1991-12-09 NZ NZ240910A patent/NZ240910A/en unknown
- 1991-12-11 AU AU89609/91A patent/AU660435B2/en not_active Expired - Fee Related
- 1991-12-13 EP EP91311614A patent/EP0494519A1/en not_active Withdrawn
- 1991-12-23 MX MX9102773A patent/MX9102773A/en unknown
- 1991-12-30 BR BR919105643A patent/BR9105643A/en unknown
1992
- 1992-01-03 FI FI920048A patent/FI920048L/en not_active Application Discontinuation
- 1992-01-06 NO NO92920082A patent/NO920082L/en unknown
- 1992-01-06 PT PT99980A patent/PT99980A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
EP0494519A1 (en)	1992-07-15
PT99980A (en)	1993-01-29
BR9105643A (en)	1992-09-29
NO920082D0 (en)	1992-01-06
CA2057231A1 (en)	1992-07-08
AU8960991A (en)	1992-07-09
MX9102773A (en)	1992-07-01
NZ240910A (en)	1992-10-28
NO920082L (en)	1992-07-08
FI920048L (en)	1992-07-08
AU660435B2 (en)	1995-06-29
FI920048A0 (en)	1992-01-03

Publication	Publication Date	Title
FI961430L (en)	1996-03-29	Process I
FI944619A7 (en)	1994-10-04	Aldolization-dehydration method
FI951596L (en)	1995-04-04	Method for obtaining 10-deacetylbaccatin-III
FI933587A7 (en)	1993-08-13	Method for making an elongated piece
FI934428A7 (en)	1994-04-10	Method for placing fibers
FI961431L (en)	1996-03-29	Process II
FI955347A7 (en)	1995-11-07	Fiber manufacturing method
NO921218D0 (en)	1992-03-27	RECEPTOR-CLEANING METHOD
DE69208789D1 (en)	1996-04-11	Sorting method
FI921841L (en)	1992-10-26	LEGERING FOER GLASS FIBER CENTRIFUGER
FI932871L (en)	1993-12-23	STEREOSELECTIV ANJONGLYCOSYLATION PROCESS
FI920048A7 (en)	1992-07-08	Fiberization pretreatment method
FI921621L (en)	1992-10-13	SPRUT METHOD FOR BRAENSLE
DE69229647D1 (en)	1999-09-02	Alignment process
FI921688A7 (en)	1992-10-20	Washing method
ITTO911046A0 (en)	1991-12-24	DEGREASING-CLEANING METHOD
DE69219741D1 (en)	1997-06-19	Hydrolisylation process
DK96392D0 (en)	1992-07-27	MODIFICATION METHOD
DE4290817T1 (en)	1994-02-17	Actuator-servo compensation method
DE69024139D1 (en)	1996-01-25	Fixing method
DK0512652T3 (en)	1995-09-25	Hydrocyclization process
IT9020623A0 (en)	1990-06-13	method
ID870B (en)	1996-08-21	RITSLETING MAKING METHOD
BR9205938A (en)	1994-08-02	Well cementation process
FI925259A7 (en)	1993-05-26	Chemical method

Legal Events

Date	Code	Title	Description
1996-08-08	FD	Application lapsed