DE2130164C3 - - Google Patents

Info

Publication number
DE2130164C3
DE2130164C3 DE2130164A DE2130164A DE2130164C3 DE 2130164 C3 DE2130164 C3 DE 2130164C3 DE 2130164 A DE2130164 A DE 2130164A DE 2130164 A DE2130164 A DE 2130164A DE 2130164 C3 DE2130164 C3 DE 2130164C3
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
DE2130164A1 (de
DE2130164B2 (de
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.)
Filing date
Publication date
Application filed by MO OCH DOMSJOE OERNSKOELDSVIK (SCHWEDEN) AB filed Critical MO OCH DOMSJOE OERNSKOELDSVIK (SCHWEDEN) AB
Publication of DE2130164A1 publication Critical patent/DE2130164A1/de
Publication of DE2130164B2 publication Critical patent/DE2130164B2/de
Application granted granted Critical
Publication of DE2130164C3 publication Critical patent/DE2130164C3/de
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 Verfahren zur herstellung von holzpulpe Granted DE2130164B2 (de)

Applications Claiming Priority (1)

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

Publications (3)

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

Family

ID=20274493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712130164 Granted DE2130164B2 (de) 1970-06-22 1971-06-18 Verfahren zur herstellung von holzpulpe

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
ATE277681T1 (de) * 2000-12-01 2004-10-15 Linde Ag Verfahren zur reinigung von abgas aus einer zellstoffabrik
FI122815B (fi) * 2005-04-18 2012-07-13 Cerefi Oy Menetelmä lignoselluloosamateriaalien ja niistä saatujen jakeiden fraktioimiseksi

Also Published As

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

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee