DE1517178C3 - Verfahren zur Herstellung von Zellstoff - Google Patents

Verfahren zur Herstellung von Zellstoff

Info

Publication number
DE1517178C3
DE1517178C3 DE1517178A DE1517178A DE1517178C3 DE 1517178 C3 DE1517178 C3 DE 1517178C3 DE 1517178 A DE1517178 A DE 1517178A DE 1517178 A DE1517178 A DE 1517178A DE 1517178 C3 DE1517178 C3 DE 1517178C3
Authority
DE
Germany
Prior art keywords
pulp
sulfide
sulfur
content
lye
Prior art date
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
DE1517178A
Other languages
German (de)
English (en)
Other versions
DE1517178A1 (de
DE1517178B2 (de
Inventor
Mario Guevara
Adalberto Tirado
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.)
Papel Loreto & Pena Pobre
Original Assignee
Papel Loreto & Pena Pobre
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 Papel Loreto & Pena Pobre filed Critical Papel Loreto & Pena Pobre
Publication of DE1517178A1 publication Critical patent/DE1517178A1/de
Publication of DE1517178B2 publication Critical patent/DE1517178B2/de
Application granted granted Critical
Publication of DE1517178C3 publication Critical patent/DE1517178C3/de
Expired 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds

Landscapes

  • Paper (AREA)
  • Particle Accelerators (AREA)
DE1517178A 1964-08-28 1965-07-05 Verfahren zur Herstellung von Zellstoff Expired DE1517178C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39349564A 1964-08-28 1964-08-28

Publications (3)

Publication Number Publication Date
DE1517178A1 DE1517178A1 (de) 1969-10-09
DE1517178B2 DE1517178B2 (de) 1975-02-13
DE1517178C3 true DE1517178C3 (de) 1975-10-02

Family

ID=23554915

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1517178A Expired DE1517178C3 (de) 1964-08-28 1965-07-05 Verfahren zur Herstellung von Zellstoff

Country Status (7)

Country Link
US (1) US3451889A (pt)
BR (1) BR6572584D0 (pt)
DE (1) DE1517178C3 (pt)
ES (1) ES316480A1 (pt)
FI (1) FI46088C (pt)
NO (1) NO121076B (pt)
SE (1) SE333298B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102976B1 (fi) * 1994-02-28 1999-03-31 Valtion Teknillinen Menetelmä lisäkeittokemikaalien tuottamiseen ja käyttämiseen sulfaattiprosessissa

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313680A (en) * 1963-12-04 1967-04-11 F J Hoar Associates System for recovering relief gases from a sulphite pulp digester

Also Published As

Publication number Publication date
US3451889A (en) 1969-06-24
BR6572584D0 (pt) 1973-07-19
NO121076B (pt) 1971-01-11
DE1517178A1 (de) 1969-10-09
FI46088C (fi) 1972-12-11
ES316480A1 (es) 1967-03-01
SE333298B (sv) 1971-03-08
DE1517178B2 (de) 1975-02-13
FI46088B (pt) 1972-08-31

Similar Documents

Publication Publication Date Title
DE2640027C2 (pt)
DE1517178C3 (de) Verfahren zur Herstellung von Zellstoff
DE69121332T2 (de) Verfahren zur herstellung von kraftpulpe
DE2528895B2 (de) Verfahren zur Herstellung vanadiumarmer Alkaliphosphatlösungen
DE515018C (de) Verfahren zur Herstellung von Natronzellstoff
DE550877C (de) Verfahren zur Aufarbeitung stark verduennter kupferhaltiger Faellfluessigkeit der Kupferstreckseidenherstellung
DE680302C (de) Herstellung eines aus Lithopon und Zinksulfid bestehenden Pigments
DE620726C (de) Verfahren zur Herstellung von Sulfitzellstoff
DE673406C (de) Verfahren zum einbadigen Ausruesten von Textilien mit wasserunloeslichen Metallverbindungen
DE1692846A1 (de) Verfahren zum Aufschluss von cellulosehaltigem Material
DE694936C (de) Gerbmittel
DE2419326C3 (de) Verfahren zur Herabsetzung des Kalziumgehalts von natriumbasischer Sulfitablaugen
AT116059B (de) Verfahren zur Herstellung hochwertiger Faserhalbstoffe.
AT214416B (de) Verfahren zur Herstellung von Methylmercaptan
DE495955C (de) Gewinnung von reinem Schwefel aus Ammoniumpolysulfidloesungen
DE554695C (de) Herstellung von Chromoxydhydraten aus Chromaten
DE563440C (de) Verfahren zur Herstellung eines Halbzellstoffes aus Stroh, Graesern u. dgl.
DE973067C (de) Verfahren zur Entfernung von Schwefelwasserstoff, Ammoniak und Kohlendioxyd aus Koksofengasen
DE524298C (de) Verfahren zur Herstellung hochwertiger Faserhalbstoffe
DE1692857C3 (de) Verfahren zum Herstellen eines Cellulosebreis
DE1027501B (de) Verfahren zur Herstellung einer alkalischen Sulfidlauge aus Schwarzlauge
DE1517154C (de) Verfahren zur Herstellung von Kunst faserzellstoff bzw. Zellstoff fur die chemische Weiterverarbeitung
AT377544B (de) Verfahren zur herstellung von gebleichter bagasse
DE1767966C (de) Herstellung von Weiß oder Grunlauge für die Zellstoffher stellung
DE1517226C (de) Verfahren zur Herstellung von Zeil stoff hoher Reinheit

Legal Events

Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee