ATE199952T1 - Verfahren und vorrichtung zum kontinuierlichen herstellen von zellstoffbrei - Google Patents

Verfahren und vorrichtung zum kontinuierlichen herstellen von zellstoffbrei

Info

Publication number: ATE199952T1
Authority: AT; Austria
Prior art keywords: zone; chips; liberated; liquor; fibers
Prior art date: 1994-09-21

Application number

AT95931044T

Other languages

English (en)

Inventor

Roger P Hoffman

Original Assignee

Hoffman Environmental Systems

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.)

1994-09-21

Filing date

1995-08-31

Publication date

2001-04-15

1995-08-31 Application filed by Hoffman Environmental Systems filed Critical Hoffman Environmental Systems

2001-04-15 Application granted granted Critical

2001-04-15 Publication of ATE199952T1 publication Critical patent/ATE199952T1/de

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
- D21C3/26—Multistage processes
- D21C3/266—Multistage processes the same pulping agent being used in all stages
- 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
- D21C1/10—Physical methods for facilitating impregnation

Landscapes

Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

AT95931044T 1994-09-21 1995-08-31 Verfahren und vorrichtung zum kontinuierlichen herstellen von zellstoffbrei ATE199952T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/310,152 US5500084A (en)	1994-09-21	1994-09-21	Method and apparatus for pulping cellulosic material using a vessel with an impergnation zone and an attrition zone
PCT/US1995/011089 WO1996009432A1 (en)	1994-09-21	1995-08-31	Method and apparatus for the continuous production of cellulosic pulp

Publications (1)

Publication Number	Publication Date
ATE199952T1 true ATE199952T1 (de)	2001-04-15

Family

ID=23201219

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT95931044T ATE199952T1 (de)	1994-09-21	1995-08-31	Verfahren und vorrichtung zum kontinuierlichen herstellen von zellstoffbrei

Country Status (14)

Country	Link
US (1)	US5500084A (de)
EP (1)	EP0782642B1 (de)
JP (1)	JPH10506441A (de)
AT (1)	ATE199952T1 (de)
AU (1)	AU692922B2 (de)
BR (1)	BR9508970A (de)
CA (1)	CA2208264A1 (de)
DE (1)	DE69520440T2 (de)
ES (1)	ES2158952T3 (de)
FI (1)	FI970961A7 (de)
NZ (1)	NZ292449A (de)
PH (1)	PH31483A (de)
RU (1)	RU2140475C1 (de)
WO (1)	WO1996009432A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2003033360A2 (en) *	2001-10-17	2003-04-24	Fluor Corporation	Improved vessel closures and methods therfor
AU2003291874A1 (en) *	2003-06-03	2005-01-21	David Tarasenko	Method for producing pulp and lignin
US7550060B2 (en) *	2006-01-25	2009-06-23	Nalco Company	Method and arrangement for feeding chemicals into a process stream
US20090020244A1 (en) *	2007-07-16	2009-01-22	Andritz Inc.	Impregnation vessel with convergence side relief and method for heat injection at convergence
JP4604136B1 (ja) *	2009-06-16	2010-12-22	株式会社東亜興業	パルプ製造装置、パルプ製造方法及び高濃度パルパー
RU2490384C1 (ru) *	2012-03-23	2013-08-20	Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран)	Способ получения целлюлозы
RU2513387C2 (ru) *	2012-05-05	2014-04-20	Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный лесотехнический университет имени С.М. Кирова"	Способ получения целлюлозного полуфабриката
US9512560B2 (en) *	2014-10-31	2016-12-06	Quantum Technologies, Inc.	Short oxygen delignification method
CN112476697A (zh) *	2020-11-09	2021-03-12	常德宜居建筑材料有限公司	一种用于中纤板的一体化成型装置及其制作方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA553647A (en) *		1958-03-04	I. Aronovsky Samuel	Cellulosic pulp and method of manufacturing the same
US2433490A (en) *	1946-09-09	1947-12-30	Stapley Stephen George	Pulping machine
US2847304A (en) *	1952-04-10	1958-08-12	Hammermill Paper Co	Semi-chemical pulp process
FR1078667A (fr) *	1953-04-08	1954-11-22		Perfectionnements à la fabrication en continu des pâtes à papier
US3549483A (en) *	1967-08-04	1970-12-22	Lummus Co	Impregnation and digestion of cellulosic material in a single vessel
SE330323B (de) *	1968-01-19	1970-11-09	Kamyr Ab
US3723243A (en) *	1971-10-18	1973-03-27	Improved Machinery Inc	Continuous digester having selfregulating wood chip level
SU433261A1 (ru) *	1972-05-22	1974-06-25	В. А. Яковлев	Варочный котел системы яковлева для непрерывной варки целлюлозы
DE3212767A1 (de) *	1982-04-06	1983-10-06	Nicolaus Md Verwaltungsges	Verfahren und reaktor zum kontinuierlichen aufschliessen von pflanzenfasermaterial
US5034095A (en) *	1989-06-01	1991-07-23	Oji Paper Co., Ltd.	Apparatus and process for the delignification of cellulose pulp

1994
- 1994-09-21 US US08/310,152 patent/US5500084A/en not_active Expired - Fee Related
1995
- 1995-08-31 DE DE69520440T patent/DE69520440T2/de not_active Expired - Fee Related
- 1995-08-31 AU AU34629/95A patent/AU692922B2/en not_active Ceased
- 1995-08-31 AT AT95931044T patent/ATE199952T1/de not_active IP Right Cessation
- 1995-08-31 BR BR9508970A patent/BR9508970A/pt not_active IP Right Cessation
- 1995-08-31 CA CA002208264A patent/CA2208264A1/en not_active Abandoned
- 1995-08-31 WO PCT/US1995/011089 patent/WO1996009432A1/en not_active Ceased
- 1995-08-31 EP EP95931044A patent/EP0782642B1/de not_active Expired - Lifetime
- 1995-08-31 JP JP8510903A patent/JPH10506441A/ja not_active Ceased
- 1995-08-31 RU RU97106757A patent/RU2140475C1/ru active
- 1995-08-31 NZ NZ292449A patent/NZ292449A/en unknown
- 1995-08-31 ES ES95931044T patent/ES2158952T3/es not_active Expired - Lifetime
- 1995-09-01 PH PH51234A patent/PH31483A/en unknown
1997
- 1997-03-06 FI FI970961A patent/FI970961A7/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPH10506441A (ja)	1998-06-23
EP0782642A1 (de)	1997-07-09
DE69520440D1 (de)	2001-04-26
PH31483A (en)	1998-11-03
RU2140475C1 (ru)	1999-10-27
NZ292449A (en)	1998-02-26
BR9508970A (pt)	1997-11-11
AU3462995A (en)	1996-04-09
ES2158952T3 (es)	2001-09-16
FI970961A7 (fi)	1997-03-13
CA2208264A1 (en)	1996-03-28
EP0782642A4 (de)	1998-09-09
AU692922B2 (en)	1998-06-18
EP0782642B1 (de)	2001-03-21
DE69520440T2 (de)	2001-10-18
FI970961A0 (fi)	1997-03-06
US5500084A (en)	1996-03-19
WO1996009432A1 (en)	1996-03-28

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Legal Events

Date	Code	Title	Description
2001-09-15	UEP	Publication of translation of european patent specification
2003-05-15	REN	Ceased due to non-payment of the annual fee