SE7903444L - Alkaliatervinningsforfarande - Google Patents

Alkaliatervinningsforfarande

Info

Publication number
SE7903444L
SE7903444L SE7903444A SE7903444A SE7903444L SE 7903444 L SE7903444 L SE 7903444L SE 7903444 A SE7903444 A SE 7903444A SE 7903444 A SE7903444 A SE 7903444A SE 7903444 L SE7903444 L SE 7903444L
Authority
SE
Sweden
Prior art keywords
oxide
alkaliate
recovery procedure
alkaline
burning
Prior art date
Application number
SE7903444A
Other languages
English (en)
Swedish (sv)
Other versions
SE439027B (sv
Inventor
G H Covey
W H Algar
Original Assignee
Australian Paper Manufacturers
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 Australian Paper Manufacturers filed Critical Australian Paper Manufacturers
Publication of SE7903444L publication Critical patent/SE7903444L/
Publication of SE439027B publication Critical patent/SE439027B/sv

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
    • D21C11/0092—Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/18—Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Paper (AREA)
  • Compounds Of Iron (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
SE7903444A 1978-04-20 1979-04-19 Forfarande for atervinning av en oxid eller en hydroxid av en alkali- eller alkalisk jordartsmetall ur en losning SE439027B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPD412978 1978-04-20
AUPD679878 1978-11-16

Publications (2)

Publication Number Publication Date
SE7903444L true SE7903444L (sv) 1979-10-21
SE439027B SE439027B (sv) 1985-05-28

Family

ID=25642216

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7903444A SE439027B (sv) 1978-04-20 1979-04-19 Forfarande for atervinning av en oxid eller en hydroxid av en alkali- eller alkalisk jordartsmetall ur en losning

Country Status (11)

Country Link
US (1) US4224289A ( )
JP (1) JPS54145396A ( )
BR (1) BR7902466A ( )
CA (1) CA1115490A ( )
DE (1) DE2915907C2 ( )
FI (1) FI75616C ( )
FR (1) FR2423444A1 ( )
GB (1) GB2019370B ( )
IT (1) IT1113379B ( )
NZ (1) NZ190223A ( )
SE (1) SE439027B ( )

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58126391A (ja) * 1982-01-16 1983-07-27 バブコツク日立株式会社 Ｆｅ↓２Ｏ↓３の分離効率を高めた直接苛性化方法
JPS58126389A (ja) * 1982-01-16 1983-07-27 バブコツク日立株式会社 黒液中の薬品を回収する方法
JPS58132191A (ja) * 1982-01-27 1983-08-06 バブコツク日立株式会社 パルプ製造工程における直接苛性化方法及びその装置
JPS58132192A (ja) * 1982-01-27 1983-08-06 バブコツク日立株式会社 流動層炉を用いた直接苛性化方法
JPS58132193A (ja) * 1982-02-02 1983-08-06 バブコツク日立株式会社 流動層を用いた苛性ソ−ダ回収方法
CA1188485A (en) * 1982-03-25 1985-06-11 Kien L. Nguyen Alkali regeneration process
ZA849901B (en) * 1983-12-23 1985-08-28 North Broken Hill Ltd Method of improving the purity of alkali-metal hydroxides
ES2208713T3 (es) * 1989-10-17 2004-06-16 Paragon Ag Dispositivo sensor de gas.
ZA937253B (en) * 1992-09-30 1994-04-19 North Broken Hill Ltd A process for recovering alkali metal hydroxide from organic liquors
AU671493B2 (en) * 1992-09-30 1996-08-29 Amcor Limited A process for recovering alkali metal hydroxide from organic liquors
DE69324337T2 (de) * 1992-12-23 2005-01-05 ECC International Ltd., Theale, Reading Verfahren zur Behandlung von Abfallsuspensionen
US20030198584A1 (en) * 2002-04-19 2003-10-23 Mason Bradley J. Single stage denitration
US7531152B2 (en) * 2000-10-19 2009-05-12 Studsvik, Inc. Mineralization of alkali metals, sulfur, and halogens
US7125531B1 (en) 1999-10-20 2006-10-24 Studsvik, Inc. Single stage denitration
US20060167331A1 (en) * 1999-10-20 2006-07-27 Mason J B Single stage denitration
US7011800B1 (en) 2000-10-19 2006-03-14 Studsvik, Inc. Single stage denitration
US7476194B2 (en) * 1999-10-20 2009-01-13 Studsvik, Inc. In-container mineralization
US20160379727A1 (en) 2015-01-30 2016-12-29 Studsvik, Inc. Apparatus and methods for treatment of radioactive organic waste

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3304249A (en) * 1964-02-28 1967-02-14 Katz Herbert Method of stabilizing a fluidized bed using a glow discharge
GB1407276A (en) * 1972-11-10 1975-09-24 Oji Paper Co Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
JPS5112724B2 ( ) * 1974-02-23 1976-04-22
JPS5238123A (en) * 1975-09-20 1977-03-24 Meidensha Electric Mfg Co Ltd Alternating current power generator
JPS5380759A (en) * 1976-12-24 1978-07-17 Nittetsu Kakoki Kk Method of treating organic acidic excrements

Also Published As

Publication number Publication date
FR2423444B1 ( ) 1984-11-30
SE439027B (sv) 1985-05-28
BR7902466A (pt) 1979-10-30
CA1115490A (en) 1982-01-05
FI791287A7 (fi) 1979-10-21
FR2423444A1 (fr) 1979-11-16
DE2915907A1 (de) 1979-10-25
DE2915907C2 (de) 1983-05-11
IT7922009A0 (it) 1979-04-19
FI75616C (fi) 1988-07-11
NZ190223A (en) 1981-04-24
JPS54145396A (en) 1979-11-13
IT1113379B (it) 1986-01-20
JPS6143284B2 ( ) 1986-09-26
US4224289A (en) 1980-09-23
GB2019370A (en) 1979-10-31
FI75616B (fi) 1988-03-31
GB2019370B (en) 1982-06-30

Similar Documents

Publication Publication Date Title
SE7903444L (sv) Alkaliatervinningsforfarande
SE7713015L (sv) Syntes av hydroxietylcellulosa med forbettrad bestendighet mot enzymkatalyserad hydrolys
NO156616C (no) Fremgangsmaate til gjenvinning av avfallspapir uten avsverting.
ES8104419A1 (es) Procedimiento para regenerar el cromo procedente de cenizas de cromo incineradas conteniendo cromo
GB1379295A (en) Composition and method for reclaiming pulp from waste papers
SE7900474L (sv) Forfarande for behandling av avfallsslagg
ZM6378A1 (en) Process for the recovery of cobalt from its impure, aqueous, in particular nickel-bearing, solutions and catalyst therefor
FI834274A0 (fi) Regenereringsfoerfarande foer alkali
ES478339A1 (es) Procedimiento para tenir y estampar materiales de fibras de celulosa con colorantes reactivos.
JPS53132499A (en) Production of chromium hydroxide
GB1456101A (en) Process for dehydrating aqueous solutions of maleic acid to maleic anhydride
GB1407276A (en) Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
SU497373A1 (ru) Способ отбелки хлопковой целлюлозы
GB1265366A ( )
ES274885A1 (es) Procedimiento para tenir y estampar materias fibrosas
JPS5584540A (en) Catalyst for removing nitrogen oxide
JPS5219460A (en) Chrome-containing sludge treating methop
CA990014A (en) Method of recovering chemicals and heat from black liquors from pulp cooking
Fokin et al. The Effect of Sodium Hydroxide on the Tendency of Stainless Steels to Local Corrosion in Alkaline Chloride--Sulphate Solutions
GB528786A (en) A method of treating precipitable liquors, especially black liquor
JPS5222360A (en) Wet catalyst oxidation process
GB298926A (en) Process for the manufacture of finely divided iron oxide
ES469274A1 (es) Procedimiento para tenir y estampar materiales textiles.
GB191687A (en) Improvements in treating certain waste liquors and obtaining valuable products therefrom
FR2219273A1 (en) Cellulose pulp prodn. from vegetable sources - with complete recycle of used lyes and washing water, to reduce pollution

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7903444-3

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7903444-3

Format of ref document f/p: F