FI66034C - Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier - Google Patents

Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier Download PDF

Info

Publication number
FI66034C
FI66034C FI812053A FI812053A FI66034C FI 66034 C FI66034 C FI 66034C FI 812053 A FI812053 A FI 812053A FI 812053 A FI812053 A FI 812053A FI 66034 C FI66034 C FI 66034C
Authority
FI
Finland
Prior art keywords
cellulose
solution
cooking
sodium
gasifier
Prior art date
Application number
FI812053A
Other languages
English (en)
Finnish (fi)
Other versions
FI66034B (fi
FI812053L (fi
Inventor
Allan Johansson
Teemu Tanner
Original Assignee
Allan Johansson
Teemu Tanner
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 Allan Johansson, Teemu Tanner filed Critical Allan Johansson
Priority to FI812053A priority Critical patent/FI66034C/fi
Priority to SE8203875A priority patent/SE8203875L/
Priority to FR8211386A priority patent/FR2510630A1/fr
Priority to CA000406445A priority patent/CA1185408A/fr
Publication of FI812053L publication Critical patent/FI812053L/fi
Publication of FI66034B publication Critical patent/FI66034B/fi
Application granted granted Critical
Publication of FI66034C publication Critical patent/FI66034C/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FI812053A 1981-06-30 1981-06-30 Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier FI66034C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI812053A FI66034C (fi) 1981-06-30 1981-06-30 Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier
SE8203875A SE8203875L (sv) 1981-06-30 1982-06-22 Forfarande for atervinning av kemikalier och verme i sulfatavlut medelst a1(oh)?713 - eller io?712.n.h?712 - cirkulation och forgasning av avluten
FR8211386A FR2510630A1 (fr) 1981-06-30 1982-06-29 Procede de recuperation de produits chimiques et de chaleur dans une liqueur usee de sulfate, au cours de la production de cellulose
CA000406445A CA1185408A (fr) 1981-06-30 1982-06-30 Methode de recuperation de produits chimiques et de lessive de sulfate usee, par circulation de a1 (oh).sub.3 ou de tio.sub.2.n.h.sub.2o et gazeification de la lessive usee

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI812053 1981-06-30
FI812053A FI66034C (fi) 1981-06-30 1981-06-30 Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier

Publications (3)

Publication Number Publication Date
FI812053L FI812053L (fi) 1982-12-31
FI66034B FI66034B (fi) 1984-04-30
FI66034C true FI66034C (fi) 1986-12-02

Family

ID=8514541

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812053A FI66034C (fi) 1981-06-30 1981-06-30 Foerfarande foer framstaellning av cellulosa och foer aotervinning av kemikalier

Country Status (4)

Country Link
CA (1) CA1185408A (fr)
FI (1) FI66034C (fr)
FR (1) FR2510630A1 (fr)
SE (1) SE8203875L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut

Also Published As

Publication number Publication date
CA1185408A (fr) 1985-04-16
SE8203875D0 (sv) 1982-06-22
FI66034B (fi) 1984-04-30
FR2510630A1 (fr) 1983-02-04
FI812053L (fi) 1982-12-31
FR2510630B3 (fr) 1984-05-04
SE8203875L (sv) 1982-12-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: JOHANSSON, ALLAN

Owner name: TANNER, TEEMU