FI773364A - Foerfarande foer utstoetning av klorider - Google Patents

Foerfarande foer utstoetning av klorider

Info

Publication number
FI773364A
FI773364A FI773364A FI773364A FI773364A FI 773364 A FI773364 A FI 773364A FI 773364 A FI773364 A FI 773364A FI 773364 A FI773364 A FI 773364A FI 773364 A FI773364 A FI 773364A
Authority
FI
Finland
Prior art keywords
chlorides
exhaust filling
exhaust
filling
Prior art date
Application number
FI773364A
Other languages
English (en)
Other versions
FI67244C (fi
FI67244B (fi
Inventor
Per Axel Rune Hillstroem
Kent Ivar Sondell
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of FI773364A publication Critical patent/FI773364A/fi
Application granted granted Critical
Publication of FI67244B publication Critical patent/FI67244B/fi
Publication of FI67244C publication Critical patent/FI67244C/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
    • D21C11/0071—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
    • 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
FI773364A 1976-11-15 1977-11-09 Foerfarande foer utstoetning av klorider FI67244C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7612743A SE434860B (sv) 1976-11-15 1976-11-15 Forfarande for utstotning av klorider ur kemikalieatervinningssystem vid natriumbaserade massaframstellningsprocesser
SE7612743 1976-11-15

Publications (3)

Publication Number Publication Date
FI773364A true FI773364A (fi) 1978-05-16
FI67244B FI67244B (fi) 1984-10-31
FI67244C FI67244C (fi) 1985-02-11

Family

ID=20329453

Family Applications (1)

Application Number Title Priority Date Filing Date
FI773364A FI67244C (fi) 1976-11-15 1977-11-09 Foerfarande foer utstoetning av klorider

Country Status (11)

Country Link
US (1) US4253911A (fi)
JP (1) JPS5361701A (fi)
AT (1) AT358387B (fi)
AU (1) AU500807B1 (fi)
BR (1) BR7707564A (fi)
CA (1) CA1097464A (fi)
FI (1) FI67244C (fi)
FR (1) FR2370822A1 (fi)
NO (1) NO153896C (fi)
NZ (1) NZ185448A (fi)
SE (1) SE434860B (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67732C (fi) * 1982-10-20 1985-05-10 Tampella Oy Ab Saett att aotervinna kemikalier fraon kloridhaltig groenlut
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut
GB9117936D0 (en) * 1991-08-20 1991-10-09 Canada Inc Production of sodium hydroxide
SE9400383L (sv) * 1994-02-07 1995-08-08 Kvaerner Pulping Tech Sätt att rena en sulfidhaltig alkalisk lut från klorid
US5911853A (en) * 1997-09-11 1999-06-15 International Paper Company Method for treating paper mill condensate to reduce the amount of sulfur compounds therein
FI20175925A1 (fi) 2017-10-20 2019-04-21 Valmet Technologies Oy Menetelmä ja järjestelmä vetysulfidi-ionien (HS-) poistamiseksi sellutehtaan prosessin lipeästä

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1915315A (en) * 1929-06-17 1933-06-27 Walter F Hoffman Recovery of waste liquors
US2909407A (en) * 1955-09-09 1959-10-20 Stora Kopparbergs Bergslags Ab Method in the recovery of alkali and sulphur by carbonization of melt soda solutions obtained in the manufacture of cellulose
US3650888A (en) * 1970-06-11 1972-03-21 Combustion Eng Pollution controlled polysulfide recovery process
SE362453C (sv) * 1971-02-05 1976-03-08 Mo Och Domsjoe Ab Sett att forhindra utslepp av klorhaltiga fororeningar vid natriumbaserade cellulosafabriker
US3826710A (en) * 1972-04-21 1974-07-30 Owens Illinois Inc Carbonation system for recovery of sodium base pulping liquor
JPS503801A (fi) * 1973-05-21 1975-01-16
US3909344A (en) * 1973-12-03 1975-09-30 Erco Envirotech Ltd Removal of sodium chloride from pulp mill operations
US3996097A (en) * 1975-08-15 1976-12-07 Hooker Chemicals & Plastics Corporation Kraft mill recovery system

Also Published As

Publication number Publication date
BR7707564A (pt) 1978-08-22
SE7612743L (sv) 1978-05-16
AU500807B1 (en) 1979-05-31
US4253911A (en) 1981-03-03
NO153896C (no) 1986-06-11
JPS5361701A (en) 1978-06-02
FR2370822B1 (fi) 1981-05-29
NO153896B (no) 1986-03-03
FI67244C (fi) 1985-02-11
JPS5413521B2 (fi) 1979-05-31
FR2370822A1 (fr) 1978-06-09
NZ185448A (en) 1980-05-08
SE434860B (sv) 1984-08-20
CA1097464A (en) 1981-03-17
AT358387B (de) 1980-09-10
NO773884L (no) 1978-05-18
ATA812277A (de) 1980-01-15
FI67244B (fi) 1984-10-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MO OCH DOMSJOE AKTIEBOLAG