FI46003C - Förfarande för framställning av cellulosakokvätskä. - Google Patents

Förfarande för framställning av cellulosakokvätskä.

Info

Publication number
FI46003C
FI46003C FI680535A FI53568A FI46003C FI 46003 C FI46003 C FI 46003C FI 680535 A FI680535 A FI 680535A FI 53568 A FI53568 A FI 53568A FI 46003 C FI46003 C FI 46003C
Authority
FI
Finland
Prior art keywords
cellulosic
making
cooking liquid
cooking
liquid
Prior art date
Application number
FI680535A
Other languages
English (en)
Finnish (fi)
Other versions
FI46003B (sv
Inventor
Barker Richard Gordon
Original Assignee
Union Camp Corp
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 Union Camp Corp filed Critical Union Camp Corp
Publication of FI46003B publication Critical patent/FI46003B/fi
Application granted granted Critical
Publication of FI46003C publication Critical patent/FI46003C/sv

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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
FI680535A 1967-03-03 1968-02-28 Förfarande för framställning av cellulosakokvätskä. FI46003C (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62028867A 1967-03-03 1967-03-03

Publications (2)

Publication Number Publication Date
FI46003B FI46003B (sv) 1972-07-31
FI46003C true FI46003C (sv) 1972-11-10

Family

ID=24485350

Family Applications (1)

Application Number Title Priority Date Filing Date
FI680535A FI46003C (sv) 1967-03-03 1968-02-28 Förfarande för framställning av cellulosakokvätskä.

Country Status (3)

Country Link
US (1) US3470061A (sv)
FI (1) FI46003C (sv)
SE (1) SE330480B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874991A (en) * 1968-08-23 1975-04-01 Westvaco Corp Polysulfide impregnation of lignocellulosic materials in a continuous digester
US3653824A (en) * 1969-10-16 1972-04-04 Union Camp Corp Oxidative regeneration method
US3860479A (en) * 1971-06-18 1975-01-14 Union Camp Corp Catalytic oxidation of alkaline pulping liquor
US4162187A (en) * 1974-05-09 1979-07-24 The Mead Corporation Process for production of sodium thiosulfate and sodium hydroxide
JPS62247812A (ja) * 1986-04-18 1987-10-28 Chiyoda Chem Eng & Constr Co Ltd 加圧式上向流深層濾過方法及びそれに用いる濾過器
WO1997019891A1 (en) * 1995-11-30 1997-06-05 Quantum Technologies, Inc. Novel catalyst for the oxidation of sulfides
EP1245721B2 (en) 1999-06-15 2012-11-21 Kawasaki Kasei Chemicals Ltd. Digestion method for pulp
EP1132684A3 (en) * 2000-03-10 2002-05-02 L'air Liquide, S.A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Method and system for lancing gas into an environment with variable entrainment of non-lanced gas
US20030044344A1 (en) * 2001-06-15 2003-03-06 Saucedo Victor M. Method for controlling polysulfide production
US6866748B2 (en) 2001-06-15 2005-03-15 American Air Liquide, Inc. Process for preparing polysulfides using clarified white liquor
US6875414B2 (en) 2002-01-14 2005-04-05 American Air Liquide, Inc. Polysulfide measurement methods using colormetric techniques
US20040134794A1 (en) * 2002-10-22 2004-07-15 Sundaram V S Meenakshi Systems and methods for generating polysulfides
US7867360B2 (en) * 2004-07-13 2011-01-11 Fpinnovations Generation of active polysulphide with manganese and bismuth catalysts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944928A (en) * 1957-09-20 1960-07-12 Kibrick Method of preparing paper pulp
FI40677B (sv) * 1961-05-27 1968-12-31 Papirind Forskningsinst
US3210235A (en) * 1963-04-08 1965-10-05 Scott Paper Co Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor

Also Published As

Publication number Publication date
SE330480B (sv) 1970-11-16
US3470061A (en) 1969-09-30
FI46003B (sv) 1972-07-31

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