CS223859B2 - Method of decreasing the contamination of waters by making the bleached sulphite cellulose - Google Patents

Method of decreasing the contamination of waters by making the bleached sulphite cellulose Download PDF

Info

Publication number
CS223859B2
CS223859B2 CS742562A CS256274A CS223859B2 CS 223859 B2 CS223859 B2 CS 223859B2 CS 742562 A CS742562 A CS 742562A CS 256274 A CS256274 A CS 256274A CS 223859 B2 CS223859 B2 CS 223859B2
Authority
CS
Czechoslovakia
Prior art keywords
liquor
waste liquor
bleaching
process according
base
Prior art date
Application number
CS742562A
Other languages
Czech (cs)
English (en)
Inventor
Taavi P Siuko
Original Assignee
Poeyry Jaakko & Co 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 Poeyry Jaakko & Co Oy filed Critical Poeyry Jaakko & Co Oy
Publication of CS223859B2 publication Critical patent/CS223859B2/cs

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

Landscapes

  • Paper (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
CS742562A 1973-04-09 1974-04-09 Method of decreasing the contamination of waters by making the bleached sulphite cellulose CS223859B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI1100/73A FI51604B (ja) 1973-04-09 1973-04-09

Publications (1)

Publication Number Publication Date
CS223859B2 true CS223859B2 (en) 1983-11-25

Family

ID=8505103

Family Applications (1)

Application Number Title Priority Date Filing Date
CS742562A CS223859B2 (en) 1973-04-09 1974-04-09 Method of decreasing the contamination of waters by making the bleached sulphite cellulose

Country Status (9)

Country Link
JP (1) JPS5040801A (ja)
AT (1) ATA295574A (ja)
CA (1) CA1025158A (ja)
CH (1) CH609395A5 (ja)
CS (1) CS223859B2 (ja)
DE (1) DE2417084C3 (ja)
FI (1) FI51604B (ja)
FR (1) FR2224589B3 (ja)
NO (1) NO141858B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS579258B1 (ja) * 1971-05-15 1982-02-20
US4155804A (en) * 1975-03-17 1979-05-22 International Telephone And Telegraph Corporation Removal of volatile organic components from spent sulfite effluent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process

Also Published As

Publication number Publication date
FR2224589A1 (ja) 1974-10-31
FR2224589B3 (ja) 1978-05-05
JPS5040801A (ja) 1975-04-14
DE2417084C3 (de) 1986-01-02
CA1025158A (en) 1978-01-31
CH609395A5 (en) 1979-02-28
DE2417084A1 (de) 1974-10-24
DE2417084B2 (de) 1978-12-14
NO141858B (no) 1980-02-11
ATA295574A (de) 1978-01-15
FI51604B (ja) 1976-11-01
NO741270L (no) 1974-10-10

Similar Documents

Publication Publication Date Title
US4039372A (en) Bleach plant filtrate recovery
US3909344A (en) Removal of sodium chloride from pulp mill operations
US4268350A (en) Method of treating pulp bleaching effluents
FI62363B (fi) Foerfarande foer aotervinning av natriumklorid fraon cellulosafabrikens processer
FI64408C (fi) Saett vid uppslutning av cellulosahaltigt material
CS223859B2 (en) Method of decreasing the contamination of waters by making the bleached sulphite cellulose
US4005060A (en) Method, applied in the production of tall oil, of preventing or reducing the emission of odorous sulphur compounds and/or acid sulphur combustion products from the black liquor recovery process in alkaline pulping
FI57796B (fi) Sulfiditetskontroll
US3986923A (en) Removal of dissolved salts from sulphide liquors
US3650889A (en) Pollution controlled polysulfide recovery process
SU730914A1 (ru) Способ обработки целлюлозы
US3945880A (en) Sodium chloride removal in pulp mill systems
CA1064206A (en) Method of recovering substances in the extraction of spent liquors from the delignification of lignocellulosic material by means of chloride-producing bleaching agents
CA2094150A1 (en) Process for purifying flue gases with a high chloride content
ES2089567T3 (es) Un metodo para blanqueo de pasta con ozono.
CA2188857C (en) Method of reducing corrosion in a power boiler of a pulp mill
JP7250800B2 (ja) パルプ工場の化学バランスを制御する方法
SU1109057A3 (ru) Способ получени целлюлозы
FI58523B (fi) Foerfarande foer regenerering av avlutar i en massakoknings- och regenereringscykel
SE8903549D0 (sv) Foerfarande foer behandling av avfallssuspensioner fraan massatillverkningsprocesser
FI106641B (fi) Menetelmä vierasaineiden erottamiseksi meesasta
PT1424435E (pt) Método para reduzir as emissões de óxido de azoto numa fábrica de pasta química.
SE510171C2 (sv) Förfarande för tillvaratagande och återanvändning av svavel i en cellulosafabrik
CS196645B1 (en) Sealed pulp bleaching process
CZ154890A3 (cs) Způsob zpracování koncentrovaného roztoku siřičitanu, síranu a thiosíranu sodného