DE2130164C3 - - Google Patents

Info

Publication number: DE2130164C3
Authority: DE; Germany
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.): Expired

Application number

DE2130164A

Other languages

German (de)

Other versions

DE2130164B2 (en

DE2130164A1 (en

Inventor

Hans Olof Prof. Goeteborg Samuelson (Schweden)

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.)

MO OCH DOMSJOE OERNSKOELDSVIK (SCHWEDEN) AB

Original Assignee

MO OCH DOMSJOE OERNSKOELDSVIK (SCHWEDEN) AB

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.)

1970-06-22

Filing date

1971-06-18

Publication date

1974-04-11

1971-06-18 Application filed by MO OCH DOMSJOE OERNSKOELDSVIK (SCHWEDEN) AB filed Critical MO OCH DOMSJOE OERNSKOELDSVIK (SCHWEDEN) AB

1971-12-30 Publication of DE2130164A1 publication Critical patent/DE2130164A1/en

1973-08-23 Publication of DE2130164B2 publication Critical patent/DE2130164B2/en

1974-04-11 Application granted granted Critical

1974-04-11 Publication of DE2130164C3 publication Critical patent/DE2130164C3/de

Status Granted 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

DE19712130164 1970-06-22 1971-06-18 METHOD OF MANUFACTURING WOODEN PULP Granted DE2130164B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8589/70A SE343092B (en)	1970-06-22	1970-06-22

Publications (3)

Publication Number	Publication Date
DE2130164A1 DE2130164A1 (en)	1971-12-30
DE2130164B2 DE2130164B2 (en)	1973-08-23
DE2130164C3 true DE2130164C3 (en)	1974-04-11

Family

ID=20274493

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19712130164 Granted DE2130164B2 (en)	1970-06-22	1971-06-18	METHOD OF MANUFACTURING WOODEN PULP

Country Status (10)

Country	Link
US (1)	US3764464A (en)
JP (1)	JPS4938921B1 (en)
AT (1)	AT303509B (en)
CA (1)	CA935958A (en)
DE (1)	DE2130164B2 (en)
FI (1)	FI54345C (en)
FR (1)	FR2099805A5 (en)
NO (1)	NO131734C (en)
SE (1)	SE343092B (en)
ZA (1)	ZA714055B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE373896B (en) *	1972-07-05	1975-02-17	Mo Och Domsjoe Ab
SE373395B (en) *	1972-12-19	1975-02-03	Mo Och Domsjoe Ab	PROCEDURE FOR THE PRODUCTION OF CELLULOSA MASS WITH HIGH LIGHTNESS BY DISTRIBUTING WOOD WITH ACID GAS UNDER PRESSURE IN THE PRESENCE OF A COCK
SE381692B (en) *	1973-10-17	1975-12-15	Mo Och Domsjoe Ab	PROCEDURE FOR IMPROVING HEATING ECONOMY WHEN COOKING LIGNOCELLULOSE MATERIAL IN DISCONTINUAL BOILERS
US4089737A (en) *	1974-02-18	1978-05-16	Toyo Pulp Company, Ltd.	Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein
SE393138B (en) *	1974-03-14	1977-05-02	Mo Och Domsjoe Ab	PROCEDURE FOR BLEACHING CELLULOSA WITH AN ACID CONTAINING GAS IN THE PRESENCE OF SODIUM BICARBONATE
FI58360C (en) *	1974-06-14	1981-01-12	Mo Och Domsjoe Ab	FOERFARANDE FOER DELIGNIFIERING AV LIGNOCELLULOSAHALTIGT MATERIAL MED HJAELP AV SYREINNEHAOLLANDE GAS OCH APPARATUR FOER UTFOERANDE AV DETTA FOERFARANDE
US4338158A (en) *	1976-04-09	1982-07-06	Weyerhaeuser Company	Pulping in the presence of a protector
US4080248A (en) *	1976-06-28	1978-03-21	Crown Zellerbach Corporation	Two-stage oxygen pulping
US4172006A (en) *	1976-08-26	1979-10-23	Weyerhaeuser Company	Method of delignifying wood chips with oxygen by adding cooking liquor under pressure
JPS5383012A (en) *	1976-12-28	1978-07-22	Fujitec Kk	Device for controlling induction motor
US4664832A (en) *	1984-09-28	1987-05-12	State Of South Dakota As Represented By The Department Of Transportation	Deicing chemicals and their preparation from polysaccharide sources
US6126781A (en)	1991-08-01	2000-10-03	Union Camp Patent Holding, Inc.	Process for conditioning ozone gas recycle stream in ozone pulp bleaching
CA2107764A1 (en) *	1992-03-02	1993-09-16	Lawrence A. Hinkey	Combined ozone destruction and fiber scrubbing in paper pulp mills
US5571378A (en) *	1993-11-23	1996-11-05	Hampshire Chemical Ltd.	Process for high-pH metal ion chelation in pulps
US6210527B1 (en) *	1994-03-14	2001-04-03	The Boc Group, Inc.	Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
SE516030C2 (en) *	1994-11-14	2001-11-12	Aga Ab	Regeneration of a gas mixture from an ozone bleaching stage
US6475338B1 (en) *	1996-06-05	2002-11-05	Andritz Inc.	Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester
US7014684B2 (en) *	2000-12-01	2006-03-21	Linde Aktiengesellschaft	Method for the treatment of waste gas from a cellulose plant
FI122815B (en) *	2005-04-18	2012-07-13	Cerefi Oy	Method for fractionating lignocellulosic materials and parts obtained from them

1970
- 1970-06-22 SE SE8589/70A patent/SE343092B/xx unknown
1971
- 1971-06-18 DE DE19712130164 patent/DE2130164B2/en active Granted
- 1971-06-18 US US00154486A patent/US3764464A/en not_active Expired - Lifetime
- 1971-06-18 NO NO2305/71A patent/NO131734C/no unknown
- 1971-06-18 FI FI1740/71A patent/FI54345C/en active
- 1971-06-21 CA CA116186A patent/CA935958A/en not_active Expired
- 1971-06-21 ZA ZA714055A patent/ZA714055B/en unknown
- 1971-06-22 FR FR7122712A patent/FR2099805A5/fr not_active Expired
- 1971-06-22 JP JP46044554A patent/JPS4938921B1/ja active Pending
- 1971-06-22 AT AT542871A patent/AT303509B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT303509B (en)	1972-11-27
FR2099805A5 (en)	1972-03-17
FI54345B (en)	1978-07-31
FI54345C (en)	1978-11-10
JPS4938921B1 (en)	1974-10-22
CA935958A (en)	1973-10-30
DE2130164B2 (en)	1973-08-23
SE343092B (en)	1972-02-28
ZA714055B (en)	1973-02-28
US3764464A (en)	1973-10-09
NO131734B (en)	1975-04-07
DE2130164A1 (en)	1971-12-30
NO131734C (en)	1975-07-16

Legal Events

Date	Code	Title
1974-04-11	C3	Grant after two publication steps (3rd publication)
1977-12-31	E77	Valid patent as to the heymanns-index 1977
1982-09-30	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
FR2099805A5 (en)	1972-03-17
FI53145B (en)	1977-10-31
AU1146470A (en)	1971-08-19
AU1473870A (en)	1971-11-11
AU2044470A (en)	1972-03-30
AU2085370A (en)	1972-04-13
AU1517670A (en)	1971-11-18
AU1326870A (en)	1971-10-28
AU2130570A (en)	1972-04-27
AU2017870A (en)	1972-03-23
AU1336970A (en)	1971-10-07
AR195465A1 (en)	1973-10-15
AU1328670A (en)	1971-10-07
AU1343870A (en)	1971-10-07
AU1277070A (en)	1971-09-23
AU1247570A (en)	1971-09-16
AU2119370A (en)	1972-04-20
AU1235770A (en)	1971-09-16
AU1189670A (en)	1971-02-18
AU2144270A (en)	1972-04-27
ATA672271A (en)	1973-12-15
AU2061170A (en)	1972-04-13
AU2115870A (en)	1972-04-20
AU1974970A (en)	1972-03-16
AU2112570A (en)	1972-04-20