FI58659C - Foerfarande foer regenerering av avlutar fraon en koknings- och regenereringsprocess - Google Patents

Foerfarande foer regenerering av avlutar fraon en koknings- och regenereringsprocess Download PDF

Info

Publication number
FI58659C
FI58659C FI3779/73A FI377973A FI58659C FI 58659 C FI58659 C FI 58659C FI 3779/73 A FI3779/73 A FI 3779/73A FI 377973 A FI377973 A FI 377973A FI 58659 C FI58659 C FI 58659C
Authority
FI
Finland
Prior art keywords
sodium
white liquor
sodium chloride
liquor
line
Prior art date
Application number
FI3779/73A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI58659B (fi
Inventor
Douglas William Reeve
Original Assignee
Erco Envirotech Ltd
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 Erco Envirotech Ltd filed Critical Erco Envirotech Ltd
Publication of FI58659B publication Critical patent/FI58659B/fi
Application granted granted Critical
Publication of FI58659C publication Critical patent/FI58659C/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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these 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
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration
    • 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

  • Paper (AREA)
  • Packages (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI3779/73A 1972-12-15 1973-12-11 Foerfarande foer regenerering av avlutar fraon en koknings- och regenereringsprocess FI58659C (fi)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB5802972 1972-12-15
GB5802972 1972-12-15
GB1372673 1973-03-22
GB1372673 1973-03-22
GB2598573 1973-05-31
GB2598573 1973-05-31

Publications (2)

Publication Number Publication Date
FI58659B FI58659B (fi) 1980-11-28
FI58659C true FI58659C (fi) 1981-03-10

Family

ID=27257028

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3779/73A FI58659C (fi) 1972-12-15 1973-12-11 Foerfarande foer regenerering av avlutar fraon en koknings- och regenereringsprocess

Country Status (7)

Country Link
US (1) US3950217A (es)
CA (1) CA1008204A (es)
ES (1) ES421470A1 (es)
FI (1) FI58659C (es)
FR (1) FR2210695B1 (es)
NO (1) NO142409C (es)
SE (1) SE400997B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI53728C (fi) * 1974-03-12 1978-07-10 Ahlstroem Oy Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
FR2286234A1 (fr) * 1974-09-27 1976-04-23 Erco Envirotech Ltd Fabrication de pate de cellulose blanchie
ZA761255B (en) * 1975-03-11 1977-03-30 Erco Envirotech Ltd Bleachplant operation
US4098639A (en) * 1975-06-17 1978-07-04 Mo Och Domsjo Aktiebolag Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material
US4153502A (en) * 1977-05-06 1979-05-08 Corrosion Service Company Limited Process for the production of polysulphide pulping liquor from pulp mill recovery smelt
CA1113207A (en) * 1978-04-19 1981-12-01 Allan F. Gilbert Removal of potassium values from pulp mill liquors
US4259082A (en) * 1979-06-07 1981-03-31 Scott Paper Company Process for purifying sodium sulfate crystals
RS60519B1 (sr) * 2016-04-15 2020-08-31 Marinko MIKULIC Kontinuirani postupak za proizvodnju celulozne pulpe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA915361A (en) * 1972-11-28 Electric Reduction Company Of Canada Chemical recovery process
CA783483A (en) * 1964-08-13 1968-04-23 Electric Reduction Company Of Canada Processes for bleaching cellulosic pulps
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process
US3746612A (en) * 1969-12-30 1973-07-17 Erco Envirotech Ltd Removal of sodium chloride from white pulping liquor
JPS5510716B2 (es) * 1971-11-02 1980-03-18

Also Published As

Publication number Publication date
CA1008204A (en) 1977-04-12
FI58659B (fi) 1980-11-28
NO142409C (no) 1980-08-20
FR2210695B1 (es) 1976-05-07
NO142409B (no) 1980-05-05
SE400997B (sv) 1978-04-17
ES421470A1 (es) 1976-10-01
FR2210695A1 (es) 1974-07-12
US3950217A (en) 1976-04-13

Similar Documents

Publication Publication Date Title
US5853535A (en) Process for manufacturing bleached pulp including recycling
CA1070457A (en) Removal of sodium chloride from pulp mill operations
FI58659C (fi) Foerfarande foer regenerering av avlutar fraon en koknings- och regenereringsprocess
US3746612A (en) Removal of sodium chloride from white pulping liquor
JPH08504005A (ja) 塩素含有薬品を使用せずにパルプを漂白する方法
FI64408C (fi) Saett vid uppslutning av cellulosahaltigt material
FI62363B (fi) Foerfarande foer aotervinning av natriumklorid fraon cellulosafabrikens processer
CA2880041C (en) Method for recovering pulping chemicals and reducing the concentration of potassium and chloride therein
EP0599917A1 (en) Production of alkali metal hydroxide and regeneration of pulp liquors
CN107660245B (zh) 从具有高碳酸盐含量的溶解的灰分回收制浆化学物质的方法
CA1058358A (en) Removal of dissolved salts from sulphide liquors
US4799994A (en) Process for cooking and bleaching pulp
FI56866C (fi) Saett att foerhindra utslaepp av klorhaltiga foeroreningar vid natriumbaserade cellulosafabriker
US4249990A (en) Process for removal of potassium values from pulp mill liquors
US4000034A (en) Kraft mill recovery system
US5507912A (en) Kraft pulping process wherein sulphide-rich and sulphide-lean white liquors are generated
FI130066B (en) Process for replacing sodium losses in a pulp mill and process for producing bleached cellulosic pulp
CA1059271A (en) Removal of sodium chloride from pulp mill systems
FI58523B (fi) Foerfarande foer regenerering av avlutar i en massakoknings- och regenereringscykel
SU1109057A3 (ru) Способ получени целлюлозы
US3740307A (en) Recovery of sodium chloride from white pulping liquor
CA1102055A (en) Modified system for recovery of sodium chloride from white liquor
CA1109611A (en) Potassium-based pulp mill process
FI115471B (fi) Jäteliemien käsittelymenetelmä
RU2021123028A (ru) Способ компенсации потерь натрия на целлюлозном заводе, способ получения беленой целлюлозной массы и система