AU643746B2 - A process for producing pulp from a lignocellulosic- containing material - Google Patents

A process for producing pulp from a lignocellulosic- containing material

Info

Publication number: AU643746B2
Authority: AU; Australia
Prior art keywords: lignocellulosic; containing material; producing pulp; pulp; producing
Prior art date: 1990-02-12
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.): Ceased

Application number

AU70987/91A

Other versions

AU7098791A (en

Inventor

Stephanus Jacobus Raubenheimer

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.)

Sappi Ltd

Original Assignee

Sappi Ltd

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.)

1990-02-12

Filing date

1991-02-12

Publication date

1993-11-25

1991-02-12 Application filed by Sappi Ltd filed Critical Sappi Ltd

1991-08-15 Publication of AU7098791A publication Critical patent/AU7098791A/en

1993-11-25 Application granted granted Critical

1993-11-25 Publication of AU643746B2 publication Critical patent/AU643746B2/en

2011-02-12 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

Links

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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
- 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
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes

AU70987/91A 1990-02-12 1991-02-12 A process for producing pulp from a lignocellulosic- containing material Ceased AU643746B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
ZA901031		1990-02-12
ZA90/1031		1990-02-12

Publications (2)

Publication Number	Publication Date
AU7098791A AU7098791A (en)	1991-08-15
AU643746B2 true AU643746B2 (en)	1993-11-25

Family

ID=25580010

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU70987/91A Ceased AU643746B2 (en)	1990-02-12	1991-02-12	A process for producing pulp from a lignocellulosic- containing material

Country Status (10)

Country	Link
EP (1)	EP0442806A1 (en)
AU (1)	AU643746B2 (en)
BR (2)	BR9100565A (en)
CA (1)	CA2036311A1 (en)
FI (1)	FI910655A7 (en)
MW (1)	MW191A1 (en)
NZ (1)	NZ237098A (en)
PT (1)	PT96722A (en)
RU (1)	RU2037594C1 (en)
ZW (1)	ZW1191A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT401068B (en) *	1994-08-26	1996-06-25	Voest Alpine Ind Anlagen	SULFIT Digestion Process
AT404478B (en) *	1996-02-02	1998-11-25	Impco Voest Alpine Pulp Tech	CELLULOSE PRODUCTION
US6057438A (en) *	1996-10-11	2000-05-02	Eastman Chemical Company	Process for the co-production of dissolving-grade pulp and xylan
AU9778398A (en) *	1997-10-01	1999-04-23	Weyerhaeuser Company	Cellulose treatment and the resulting product
RU2248421C1 (en) *	2004-01-14	2005-03-20	Полютов Анатолий Александрович	High-refined cellulose production process
RU2265685C1 (en) *	2004-11-25	2005-12-10	Департамент промышленности и науки Пермской области	Method of production of fibrous half-finished product
EP1883731B1 (en)	2005-05-24	2015-11-11	International Paper Company	Modified kraft fibers
KR20110123184A (en)	2010-05-06	2011-11-14	바히아 스페셜티 셀룰로스 에스에이	Method and system for producing high alpha dissolving pulp
CN104345126B (en) *	2014-09-23	2016-02-17	周栋	A kind of method of Fast Evaluation principal columns of a hall wood sulfate pulping technique
CN104330525B (en) *	2014-09-24	2016-03-23	梁朔	A kind of method of Fast Evaluation Eucalyptus soda anthraquinone process technique
WO2016076845A1 (en)	2014-11-12	2016-05-19	Renmatix, Inc.	Method of coalescing a substance
SE538752C2 (en) *	2014-11-21	2016-11-08	Innventia Ab	Process for the production of a treated pulp, treated pulp, and textile fibres produced from the treated pulp
GB2534589A (en) *	2015-01-28	2016-08-03	Innovia Films Ltd	Process
SG10201503723TA (en) *	2015-05-12	2016-12-29	Pt Sateri Viscose Internat	Dissolving Pulp
FI130070B (en) *	2018-03-07	2023-01-31	Andritz Oy	Method of producing dissolving pulp
FI130568B (en)	2020-07-06	2023-11-21	Amppc Finland Oy	A cooking method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2301314A (en) *	1935-02-16	1942-11-10	Univ Minnesota Board Of Regent	Process of making alpha cellulose

1991
- 1991-02-08 PT PT96722A patent/PT96722A/en not_active Application Discontinuation
- 1991-02-08 BR BR919100565A patent/BR9100565A/en unknown
- 1991-02-11 ZW ZW11/91A patent/ZW1191A1/en unknown
- 1991-02-11 RU SU914894714A patent/RU2037594C1/en active
- 1991-02-11 FI FI910655A patent/FI910655A7/en unknown
- 1991-02-12 CA CA002036311A patent/CA2036311A1/en not_active Abandoned
- 1991-02-12 NZ NZ237098A patent/NZ237098A/en unknown
- 1991-02-12 AU AU70987/91A patent/AU643746B2/en not_active Ceased
- 1991-02-12 EP EP91400355A patent/EP0442806A1/en not_active Withdrawn
- 1991-02-12 MW MW01/91A patent/MW191A1/en unknown
- 1991-02-13 BR BR919100592A patent/BR9100592A/en unknown

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2301314A (en) *	1935-02-16	1942-11-10	Univ Minnesota Board Of Regent	Process of making alpha cellulose

Also Published As

Publication number	Publication date
ZW1191A1 (en)	1991-08-28
FI910655L (en)	1991-08-13
RU2037594C1 (en)	1995-06-19
AU7098791A (en)	1991-08-15
NZ237098A (en)	1994-01-26
EP0442806A1 (en)	1991-08-21
CA2036311A1 (en)	1991-08-13
MW191A1 (en)	1991-09-10
FI910655A0 (en)	1991-02-11
FI910655A7 (en)	1991-08-13
BR9100565A (en)	1991-10-29
PT96722A (en)	1991-10-31
BR9100592A (en)	1991-10-29

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