FI51217C - Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta. - Google Patents

Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta.

Info

Publication number
FI51217C
FI51217C FI750831A FI750831A FI51217C FI 51217 C FI51217 C FI 51217C FI 750831 A FI750831 A FI 750831A FI 750831 A FI750831 A FI 750831A FI 51217 C FI51217 C FI 51217C
Authority
FI
Finland
Prior art keywords
methods
soluble base
bisulfite solution
cellulose preparation
additive chemicals
Prior art date
Application number
FI750831A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI51217B (enrdf_load_stackoverflow
Inventor
Alpo Ora
Original Assignee
Rauma Repola Oy
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 Rauma Repola Oy filed Critical Rauma Repola Oy
Priority to FI750831A priority Critical patent/FI51217C/fi
Priority to AT108676A priority patent/AT347235B/de
Priority to CA246,074A priority patent/CA1091869A/en
Priority to SE7602200A priority patent/SE7602200L/xx
Priority to JP51030746A priority patent/JPS51119803A/ja
Priority to NO760992A priority patent/NO147191C/no
Application granted granted Critical
Publication of FI51217B publication Critical patent/FI51217B/fi
Publication of FI51217C publication Critical patent/FI51217C/fi
Priority to US05/814,021 priority patent/US4110154A/en

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
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
FI750831A 1975-03-20 1975-03-20 Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta. FI51217C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI750831A FI51217C (fi) 1975-03-20 1975-03-20 Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta.
AT108676A AT347235B (de) 1975-03-20 1976-02-16 Verfahren zur herstellung von natrium- bisulfitloesung fuer die sulfit-zellulose- produktion
CA246,074A CA1091869A (en) 1975-03-20 1976-02-18 Method for making chemicals to be added into a process of pulp making in which process soluble base is used
SE7602200A SE7602200L (sv) 1975-03-20 1976-02-24 Sett att framstella tillsatskemikalier for loslig bas utnyttjande cellulosaframstellningsmetod
JP51030746A JPS51119803A (en) 1975-03-20 1976-03-19 Process for making reagents used for pulp manufacture by soluble bases
NO760992A NO147191C (no) 1975-03-20 1976-03-19 Fremgangsmaate ved fremstilling av tilsetningskjemikalier for cellulosefremstillingsprosesser hvor en natriumbisulfittopploesning anvendes som opploeselig base
US05/814,021 US4110154A (en) 1975-03-20 1977-07-08 Method for making a soluble sulfite additive for use in a pulp making process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI750831A FI51217C (fi) 1975-03-20 1975-03-20 Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta.

Publications (2)

Publication Number Publication Date
FI51217B FI51217B (enrdf_load_stackoverflow) 1976-08-02
FI51217C true FI51217C (fi) 1976-11-10

Family

ID=8509072

Family Applications (1)

Application Number Title Priority Date Filing Date
FI750831A FI51217C (fi) 1975-03-20 1975-03-20 Tapa valmistaa lisäyskemikalia sellaista selluloosan valmistusmenetelm ää varten, jossa liukoisena emäksenä käytetään Na-bisulfiittiliuosta.

Country Status (6)

Country Link
JP (1) JPS51119803A (enrdf_load_stackoverflow)
AT (1) AT347235B (enrdf_load_stackoverflow)
CA (1) CA1091869A (enrdf_load_stackoverflow)
FI (1) FI51217C (enrdf_load_stackoverflow)
NO (1) NO147191C (enrdf_load_stackoverflow)
SE (1) SE7602200L (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
AT347235B (de) 1978-12-11
ATA108676A (de) 1978-04-15
JPS51119803A (en) 1976-10-20
NO147191C (no) 1983-02-16
SE7602200L (sv) 1976-09-21
NO760992L (enrdf_load_stackoverflow) 1976-09-21
FI51217B (enrdf_load_stackoverflow) 1976-08-02
CA1091869A (en) 1980-12-23
NO147191B (no) 1982-11-08

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: RAUMA-REPOLA OY