SE314581B - - Google Patents

Info

Publication number: SE314581B
Authority: SE; Sweden

Application number

SE14638/68A

Inventor

H Samuelson

S Noreus

Original Assignee

Mo Och Domsjoe 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.)

1968-10-29

Filing date

1968-10-29

Publication date

1969-09-08

1968-10-29 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1968-10-29 Priority to SE14638/68A priority Critical patent/SE314581B/xx

1969-09-08 Publication of SE314581B publication Critical patent/SE314581B/xx

1969-10-22 Priority to FI693037A priority patent/FI50643C/fi

1969-10-27 Priority to US869875A priority patent/US3652386A/en

1969-10-28 Priority to DE19691954267 priority patent/DE1954267C3/de

1969-10-28 Priority to FR6936997A priority patent/FR2021828A1/fr

1969-10-28 Priority to NO694269A priority patent/NO124320B/no

1969-10-29 Priority to AT1020769A priority patent/AT297476B/de

1969-10-29 Priority to BR213718/69A priority patent/BR6913718D0/pt

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
- 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

SE14638/68A 1968-10-29 1968-10-29 SE314581B (zh)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
SE14638/68A SE314581B (zh)	1968-10-29	1968-10-29
FI693037A FI50643C (fi)	1968-10-29	1969-10-22	Selluloosapitoisen aineen käsittelymenetelmä.
US869875A US3652386A (en)	1968-10-29	1969-10-27	Process for treating cellulosic materials with alkali and oxygen in the presence of complex magnesium salts
DE19691954267 DE1954267C3 (de)	1968-10-29	1969-10-28	Verfahren zur Behandlung von aufgeschlossenem cellulosehaltigen Materialien mit Alkali und Luft
FR6936997A FR2021828A1 (zh)	1968-10-29	1969-10-28
NO694269A NO124320B (zh)	1968-10-29	1969-10-28
AT1020769A AT297476B (de)	1968-10-29	1969-10-29	Verfahren zur Behandlung bzw. Verringerung des Lignin- und/oder Hemizellulosegehaltes von Zellulosematerialien
BR213718/69A BR6913718D0 (pt)	1968-10-29	1969-10-29	Processo para tratar materiais celulosicos

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE14638/68A SE314581B (zh)	1968-10-29	1968-10-29

Publications (1)

Publication Number	Publication Date
SE314581B true SE314581B (zh)	1969-09-08

Family

ID=20299423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE14638/68A SE314581B (zh)	1968-10-29	1968-10-29

Country Status (7)

Country	Link
US (1)	US3652386A (zh)
AT (1)	AT297476B (zh)
BR (1)	BR6913718D0 (zh)
FI (1)	FI50643C (zh)
FR (1)	FR2021828A1 (zh)
NO (1)	NO124320B (zh)
SE (1)	SE314581B (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE355614B (zh) *	1970-05-13	1973-04-30	Mo Och Domsjoe Ab
US3975232A (en) *	1973-11-19	1976-08-17	Westvaco Corporation	Three stage process for pulping lignocellulosic materials including a cyanide ion containing first stage
JPS5138508A (en) *	1974-09-25	1976-03-31	Harusuke Hayashi	Parupuno sansosankaseisei niokeru hogozai
US4338158A (en) *	1976-04-09	1982-07-06	Weyerhaeuser Company	Pulping in the presence of a protector
US4288288A (en) *	1979-06-15	1981-09-08	Weyerhaeuser Company	Apparatus for mixing chemicals into pulp at a refiner inlet
US4715931A (en) *	1987-03-24	1987-12-29	Betz Laboratories, Inc.	Process for inhibiting aluminum hydroxide deposition in papermaking felts
SE502667C2 (sv) *	1993-07-12	1995-12-04	Kvaerner Pulping Tech	Behandling av fibermaterial med komplexbildare före kokning
EP0647466A3 (de) *	1993-10-08	1996-01-17	Akzo Nobel Nv	Cellulosische Membranen.
WO1995030047A1 (en) *	1994-04-28	1995-11-09	Macmillan Bloedel Limited	Oxygen bleaching of cellulosic pulps
US6471727B2 (en)	1996-08-23	2002-10-29	Weyerhaeuser Company	Lyocell fibers, and compositions for making the same
US6331354B1 (en)	1996-08-23	2001-12-18	Weyerhaeuser Company	Alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en)	1996-08-23	2001-10-23	The Weyerhaeuser Company	Process for melt blowing continuous lyocell fibers
CA2451444C (en) *	2001-07-17	2010-06-15	Zhi-Wei Liang	Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances
JP2012028026A (ja) *	2010-07-20	2012-02-09	Nippon Chem Ind Co Ltd	リチウム二次電池用負極活物質及びその製造方法
FI125891B (en) *	2014-08-14	2016-03-31	Scitech Service Oy	Process for the treatment of cellulose and alkali solutions obtained from the treatment of cellulose
CN106108104A (zh) *	2015-12-18	2016-11-16	广东中烟工业有限责任公司	一种降低烟梗中木质素含量的处理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB681994A (en) *	1949-05-31	1952-11-05	British Celanese	Improvements in or relating to the production of cellulose
US2811518A (en) *	1955-06-07	1957-10-29	Rayonier Inc	Alkaline refining of wood pulp
US3088861A (en) *	1960-08-03	1963-05-07	Weyerhaeuser Co	Method of manufacturing chemical pulp from lignocellulose material
FR1387853A (fr) *	1963-09-19	1965-02-05	Air Liquide	Délignification et blanchiment des pâtes cellulosiques chimiques et mi-chimiques

1968
- 1968-10-29 SE SE14638/68A patent/SE314581B/xx unknown
1969
- 1969-10-22 FI FI693037A patent/FI50643C/fi active
- 1969-10-27 US US869875A patent/US3652386A/en not_active Expired - Lifetime
- 1969-10-28 NO NO694269A patent/NO124320B/no unknown
- 1969-10-28 FR FR6936997A patent/FR2021828A1/fr active Pending
- 1969-10-29 BR BR213718/69A patent/BR6913718D0/pt unknown
- 1969-10-29 AT AT1020769A patent/AT297476B/de active

Also Published As

Publication number	Publication date
AT297476B (de)	1972-03-27
DE1954267A1 (de)	1970-06-25
FR2021828A1 (zh)	1970-07-24
FI50643C (fi)	1976-05-10
NO124320B (zh)	1972-04-04
FI50643B (zh)	1976-02-02
US3652386A (en)	1972-03-28
BR6913718D0 (pt)	1973-05-03
DE1954267B2 (de)	1973-06-28

Publication	Publication Date	Title
AU1946070A (zh)	1972-05-09
AU428130B2 (zh)	1972-09-14
AU2374870A (zh)	1972-06-29
AU5184069A (zh)	1970-07-17
FI50643B (zh)	1976-02-02
AU6168869A (zh)	1971-04-08
AU6171569A (zh)	1971-04-08
AU416157B2 (zh)	1971-08-23
AU429879B2 (zh)	1972-11-09
AU2581067A (zh)	1970-02-19
AU4811568A (zh)	1974-08-01
AU421558B1 (zh)	1970-01-29
AU3224368A (zh)	1969-07-17
AU3789668A (zh)	1968-06-20
AU4744468A (zh)	1970-06-18
AR203075Q (zh)	1975-08-14
AU2580267A (zh)	1970-02-05
AU463027A (zh)	1971-03-04
BE726752A (zh)	1969-06-16
BE726914A (zh)	1969-06-16
AU4558658A (zh)	1970-05-07
AU2889368A (zh)	1969-05-01
BE726976A (zh)	1969-07-01
BE725709A (zh)	1969-05-29
AU479393A (zh)	1974-02-07