CA1185408A - 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 - Google Patents

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

Info

Publication number
CA1185408A
CA1185408A CA000406445A CA406445A CA1185408A CA 1185408 A CA1185408 A CA 1185408A CA 000406445 A CA000406445 A CA 000406445A CA 406445 A CA406445 A CA 406445A CA 1185408 A CA1185408 A CA 1185408A
Authority
CA
Canada
Prior art keywords
liquor
solution
cooking
sub
sulphate
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
CA000406445A
Other languages
English (en)
Inventor
Teemu Tanner
Allan Johansson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1185408A publication Critical patent/CA1185408A/fr
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
    • 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)
CA000406445A 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 Expired CA1185408A (fr)

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 (1)

Publication Number Publication Date
CA1185408A true CA1185408A (fr) 1985-04-16

Family

ID=8514541

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000406445A Expired 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

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
FI66034B (fi) 1984-04-30
FR2510630B3 (fr) 1984-05-04
FI812053L (fi) 1982-12-31
FR2510630A1 (fr) 1983-02-04
SE8203875D0 (sv) 1982-06-22
SE8203875L (sv) 1982-12-31
FI66034C (fi) 1986-12-02

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry