FI45577C - Menetelmä lipeän talteenottamiseksi keitettäessä selluloosaa. - Google Patents

Menetelmä lipeän talteenottamiseksi keitettäessä selluloosaa.

Info

Publication number
FI45577C
FI45577C FI640722A FI72264A FI45577C FI 45577 C FI45577 C FI 45577C FI 640722 A FI640722 A FI 640722A FI 72264 A FI72264 A FI 72264A FI 45577 C FI45577 C FI 45577C
Authority
FI
Finland
Prior art keywords
recovering
cellulose
during cooking
lye during
lye
Prior art date
Application number
FI640722A
Other languages
English (en)
Swedish (sv)
Other versions
FI45577B (fi
Inventor
Ferrigan Jr James Joseph
Coppick Sydney
Original Assignee
Scott Paper Co
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 Scott Paper Co filed Critical Scott Paper Co
Publication of FI45577B publication Critical patent/FI45577B/fi
Application granted granted Critical
Publication of FI45577C publication Critical patent/FI45577C/fi

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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FI640722A 1963-04-08 1964-04-07 Menetelmä lipeän talteenottamiseksi keitettäessä selluloosaa. FI45577C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US271357A US3210235A (en) 1963-04-08 1963-04-08 Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor

Publications (2)

Publication Number Publication Date
FI45577B FI45577B (fi) 1972-04-04
FI45577C true FI45577C (fi) 1972-07-10

Family

ID=23035224

Family Applications (1)

Application Number Title Priority Date Filing Date
FI640722A FI45577C (fi) 1963-04-08 1964-04-07 Menetelmä lipeän talteenottamiseksi keitettäessä selluloosaa.

Country Status (3)

Country Link
US (1) US3210235A (fi)
FI (1) FI45577C (fi)
SE (1) SE300754B (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323858A (en) * 1964-08-21 1967-06-06 Lummus Co Process for recovering the alkali metal content of spent pulping liquor
US3470061A (en) * 1967-03-03 1969-09-30 Union Camp Corp Sodium polysulfide pulping process and regeneration
US4131508A (en) * 1973-03-12 1978-12-26 Kamyr Inc. Recovery system for oxygen bleaching of pulp
US4162187A (en) * 1974-05-09 1979-07-24 The Mead Corporation Process for production of sodium thiosulfate and sodium hydroxide
US4239996A (en) * 1975-05-29 1980-12-16 The Babcock & Wilcox Company Potassium carbonate recovery
SE407244B (sv) * 1976-02-05 1979-03-19 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa av lovved i tva steg
US4083930A (en) * 1976-04-02 1978-04-11 Rockwell International Corporation Method of treating alkali metal sulfide and carbonate mixtures
US4288286A (en) * 1978-12-08 1981-09-08 Hooker Chemicals & Plastics Corp. Kraft mill recycle process
FI72156C (fi) * 1985-03-19 1987-04-13 Enso Gutzeit Oy Kausticeringsfoerfarande.
US5145556A (en) * 1991-07-31 1992-09-08 International Paper Company Single-stage slaking and causticizing method
SE500263C2 (sv) * 1993-03-11 1994-05-24 Chemrec Ab Process för separation av svavelföreningar ur en koldioxid- och vätesulfidinnehållande gasström
SE9400383L (sv) * 1994-02-07 1995-08-08 Kvaerner Pulping Tech Sätt att rena en sulfidhaltig alkalisk lut från klorid
US6241851B1 (en) 1998-03-03 2001-06-05 Andritz-Ahlstrom Inc. Treatment of cellulose material with additives while producing cellulose pulp
WO2000068496A1 (en) * 1999-05-07 2000-11-16 Kvaerner Pulping Ab Feeding device and process and feeding system which utilise the feeding device
US6576084B1 (en) 1999-09-13 2003-06-10 Andritz Inc. Method of pretreating pulp with yield or strength-enhancing additive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898613A (en) * 1924-05-14 1933-02-21 Bradley Mckeefe Corp Manufacture of pulp, etc.
US2099400A (en) * 1936-10-19 1937-11-16 Champagne Paper Corp Preparation of paper pulp
US2490078A (en) * 1946-04-12 1949-12-06 Diamond Alkali Co Manufacture of plastic products from wood
US2705187A (en) * 1953-07-16 1955-03-29 Allied Chem & Dye Corp Manufacture of sodium sulfide and sulfite
US2944928A (en) * 1957-09-20 1960-07-12 Kibrick Method of preparing paper pulp

Also Published As

Publication number Publication date
SE300754B (fi) 1968-05-06
FI45577B (fi) 1972-04-04
US3210235A (en) 1965-10-05

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