AU577192B2 - Regeneration and recovery of alkali from pulp mill black liquor - Google Patents

Regeneration and recovery of alkali from pulp mill black liquor

Info

Publication number
AU577192B2
AU577192B2 AU57837/86A AU5783786A AU577192B2 AU 577192 B2 AU577192 B2 AU 577192B2 AU 57837/86 A AU57837/86 A AU 57837/86A AU 5783786 A AU5783786 A AU 5783786A AU 577192 B2 AU577192 B2 AU 577192B2
Authority
AU
Australia
Prior art keywords
regeneration
alkali
recovery
black liquor
pulp mill
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU57837/86A
Other languages
English (en)
Other versions
AU5783786A (en
Inventor
Stanely R. Prew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sprout Bauer Inc
Original Assignee
Koppers Co Inc
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 Koppers Co Inc filed Critical Koppers Co Inc
Publication of AU5783786A publication Critical patent/AU5783786A/en
Application granted granted Critical
Publication of AU577192B2 publication Critical patent/AU577192B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0027—Mixed oxides or hydroxides containing one alkali metal
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Iron (AREA)
AU57837/86A 1985-06-13 1986-05-23 Regeneration and recovery of alkali from pulp mill black liquor Ceased AU577192B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74480285A 1985-06-13 1985-06-13
US744802 1985-06-13

Publications (2)

Publication Number Publication Date
AU5783786A AU5783786A (en) 1986-12-18
AU577192B2 true AU577192B2 (en) 1988-09-15

Family

ID=24994044

Family Applications (1)

Application Number Title Priority Date Filing Date
AU57837/86A Ceased AU577192B2 (en) 1985-06-13 1986-05-23 Regeneration and recovery of alkali from pulp mill black liquor

Country Status (7)

Country Link
CN (1) CN86101690A (da)
AU (1) AU577192B2 (da)
DK (1) DK276686A (da)
GB (1) GB2176470B (da)
IN (1) IN163967B (da)
NZ (1) NZ216328A (da)
ZA (1) ZA864187B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU671493B2 (en) * 1992-09-30 1996-08-29 Amcor Limited A process for recovering alkali metal hydroxide from organic liquors
ZA937252B (en) * 1992-09-30 1994-04-19 North Broken Hill Ltd A process for pelletising particles of alkali metal ferrite
GB0119237D0 (en) * 2001-08-07 2001-10-03 Bioregional Minimills Uk Ltd Paper plant

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU450309B2 (en) * 1972-11-13 1974-07-04 Oji Paper Co. Ltd. Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
US4000264A (en) * 1974-02-23 1976-12-28 Toyo Pulp Co., Ltd. Method of recovering sodium hydroxide from sulfur free pulping or bleaching waste liquor by mixing ferric oxide with condensed waste liquor prior to burning

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU450309B2 (en) * 1972-11-13 1974-07-04 Oji Paper Co. Ltd. Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry
US4000264A (en) * 1974-02-23 1976-12-28 Toyo Pulp Co., Ltd. Method of recovering sodium hydroxide from sulfur free pulping or bleaching waste liquor by mixing ferric oxide with condensed waste liquor prior to burning

Also Published As

Publication number Publication date
DK276686D0 (da) 1986-06-12
NZ216328A (en) 1988-07-28
GB2176470A (en) 1986-12-31
GB8613767D0 (en) 1986-07-09
AU5783786A (en) 1986-12-18
CN86101690A (zh) 1986-12-10
ZA864187B (en) 1987-02-25
GB2176470B (en) 1988-09-28
IN163967B (da) 1988-12-17
DK276686A (da) 1986-12-14

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