ZA714055B - Method of preparing wood pulp - Google Patents

Method of preparing wood pulp

Info

Publication number: ZA714055B
Authority: ZA; South Africa
Prior art keywords: wood pulp; preparing wood; preparing; pulp; wood
Prior art date: 1970-06-22

Application number

ZA714055A

Other languages

English (en)

Inventor

H Samuelson

Original Assignee

Mooch 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.)

1970-06-22

Filing date

1971-06-21

Publication date

1973-02-28

1971-06-21 Application filed by Mooch Domsjoe Ab filed Critical Mooch Domsjoe Ab

1973-02-28 Publication of ZA714055B publication Critical patent/ZA714055B/xx

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

ZA714055A 1970-06-22 1971-06-21 Method of preparing wood pulp ZA714055B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
ZA714055B true ZA714055B (en)	1973-02-28

Family

ID=20274493

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA714055A ZA714055B (en)	1970-06-22	1971-06-21	Method of preparing wood pulp

Country Status (10)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE373896B (fi) *	1972-07-05	1975-02-17	Mo Och Domsjoe Ab
SE373395B (sv) *	1972-12-19	1975-02-03	Mo Och Domsjoe Ab	Forfarande for framstellning av cellulosamassa med hog ljushet genom uppslutning av ved med syrgas under tryck i nervaro av en kokvetska forsatt med basiska neutralisationsmedel
SE381692B (sv) *	1973-10-17	1975-12-15	Mo Och Domsjoe Ab	Forfarande for forbettring av vermeekonomin vid kokning av lignocellulosamaterial i diskontinuerliga kokare
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 (sv) *	1974-03-14	1977-05-02	Mo Och Domsjoe Ab	Forfarande for blekning av cellulosa med en syre innehallande gas i nervaro av natriumbikarbonat
FI58360C (fi) *	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
WO1993018226A1 (en) *	1992-03-02	1993-09-16	Kamyr, Inc.	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 (sv) *	1994-11-14	2001-11-12	Aga Ab	Regenerering av en gasblandning från ett ozonbleksteg
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
ES2228968T3 (es) *	2000-12-01	2005-04-16	Linde Aktiengesellschaft	Procedimiento para la purificacion de un gas de escape a partir de una tela de celulosa.
FI122815B (fi) *	2005-04-18	2012-07-13	Cerefi Oy	Menetelmä lignoselluloosamateriaalien ja niistä saatujen jakeiden fraktioimiseksi

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

Also Published As

Publication number	Publication date
JPS4938921B1 (fi)	1974-10-22
DE2130164B2 (de)	1973-08-23
FR2099805A5 (fi)	1972-03-17
CA935958A (en)	1973-10-30
DE2130164A1 (de)	1971-12-30
AT303509B (de)	1972-11-27
FI54345C (fi)	1978-11-10
NO131734B (fi)	1975-04-07
US3764464A (en)	1973-10-09
SE343092B (fi)	1972-02-28
FI54345B (fi)	1978-07-31
DE2130164C3 (fi)	1974-04-11
NO131734C (fi)	1975-07-16

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