CA983213A - Method of treating cooking liquor - Google Patents
Method of treating cooking liquorInfo
- Publication number
- CA983213A CA983213A CA167,634A CA167634A CA983213A CA 983213 A CA983213 A CA 983213A CA 167634 A CA167634 A CA 167634A CA 983213 A CA983213 A CA 983213A
- Authority
- CA
- Canada
- Prior art keywords
- cooking liquor
- treating cooking
- treating
- liquor
- cooking
- 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.)
- Expired
Links
Classifications
-
- 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
-
- 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
- D21C11/12—Combustion of pulp liquors
- D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
- D21C11/127—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis with post-combustion of the gases
-
- 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
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7204304A SE378119B (sv) | 1972-04-04 | 1972-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA983213A true CA983213A (en) | 1976-02-10 |
Family
ID=20263892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA167,634A Expired CA983213A (en) | 1972-04-04 | 1973-03-30 | Method of treating cooking liquor |
Country Status (5)
Country | Link |
---|---|
US (1) | US3867251A (sv) |
JP (1) | JPS565876B2 (sv) |
CA (1) | CA983213A (sv) |
FI (1) | FI55067C (sv) |
SE (1) | SE378119B (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5328563A (en) * | 1991-09-27 | 1994-07-12 | A. Ahlstrom Corporation | Method of treating material containing sodium sulphate and/or sodium carbonate in a pulp mill |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3915654A (en) * | 1973-04-10 | 1975-10-28 | Lazar Adolfovich Oni | Sodium carbonate regenerator |
US4198385A (en) * | 1976-09-07 | 1980-04-15 | Waagner-Biro Aktiengesellschaft | Reduction of sodium sulfate to sodium sulfide |
NL8005147A (nl) * | 1980-09-12 | 1982-04-01 | Hollandse Const Groep | Werkwijze en inrichting voor het verwerken van vinasse. |
JPS58501816A (ja) * | 1981-10-26 | 1983-10-27 | ロツクウエル インタ−ナシヨナル コ−ポレ−シヨン | 硫化物の製造用の流動溶融層法 |
JPS59130947U (ja) * | 1983-02-17 | 1984-09-03 | 株式会社日立ホームテック | 立ち消え安全装置 |
CA1222604A (en) * | 1983-04-18 | 1987-06-09 | Arthur L. Kohl | Black liquor gasification process |
SE448007B (sv) * | 1983-04-21 | 1987-01-12 | Skf Steel Eng Ab | Forfarande och anordning for atervinning av kemikalier ur massaavlut |
SE454188B (sv) * | 1984-10-19 | 1988-04-11 | Skf Steel Eng Ab | Sett att atervinna kemikalier ur massaavlutar |
SE453102B (sv) * | 1985-01-22 | 1988-01-11 | Stiftelsen Cellulosa Och Pappe | Sett vid forbrenning av vid massaframstellning enligt kokprocesser pa natriumbas erhallen indunstad avlut |
SE447400B (sv) * | 1985-03-26 | 1986-11-10 | Skf Steel Eng Ab | Sett och anordning for kemikalieatervinning av massaavlutar i konventionell sodapanna |
SE448173B (sv) * | 1985-06-03 | 1987-01-26 | Croon Inventor Ab | Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys |
US5405496A (en) * | 1989-11-23 | 1995-04-11 | Chemrec Ab | Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking |
FI95822C (sv) * | 1991-09-27 | 1996-03-25 | Ahlstroem Oy | Behandling av smältan av en sodapanna eller motsvarande panna |
FI89519C (sv) * | 1992-02-19 | 1997-08-19 | Ahlstrom Machinery Oy | Förfarande och anordning för ökande av säkerheten i en återvinningspan na för avlut |
US5284550A (en) * | 1992-06-18 | 1994-02-08 | Combustion Engineering, Inc. | Black liquier gasification process operating at low pressures using a circulating fluidized bed |
US5624470A (en) * | 1995-12-22 | 1997-04-29 | Combustion Engineering, Inc. | Black liquor gasification with integrated warm-up and purge |
US5738758A (en) * | 1995-12-22 | 1998-04-14 | The University Of New Brunswick | Process for the conversion of calcium sulfide |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2678615A (en) * | 1949-12-20 | 1954-05-18 | Rosenblad Corp | Method for burning sticky, watercontaining liquid fuel |
US2808011A (en) * | 1952-08-21 | 1957-10-01 | Miller Hofft Inc | Furnace for burning semi-liquid fuels |
US2914386A (en) * | 1954-12-20 | 1959-11-24 | Hercules Powder Co Ltd | Tubular furnace |
US2911284A (en) * | 1955-06-01 | 1959-11-03 | Combustion Eng | Method of burning waste liquors |
FR1425104A (fr) * | 1964-02-26 | 1966-01-14 | Billeruds Ab | Procédé de récupération de soude à partir de liqueur de cellulose épuisée, à base de sodium |
US3366535A (en) * | 1966-07-11 | 1968-01-30 | William T Neiman | Process for regenerating waste liquor for reuse in kraft pulping operation |
US3574051A (en) * | 1968-02-08 | 1971-04-06 | Chemical Construction Corp | Recovery of black liquor |
-
1972
- 1972-04-04 SE SE7204304A patent/SE378119B/xx unknown
-
1973
- 1973-03-26 US US344652A patent/US3867251A/en not_active Expired - Lifetime
- 1973-03-30 CA CA167,634A patent/CA983213A/en not_active Expired
- 1973-04-03 JP JP3817473A patent/JPS565876B2/ja not_active Expired
- 1973-04-03 FI FI1028/73A patent/FI55067C/fi active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5328563A (en) * | 1991-09-27 | 1994-07-12 | A. Ahlstrom Corporation | Method of treating material containing sodium sulphate and/or sodium carbonate in a pulp mill |
Also Published As
Publication number | Publication date |
---|---|
JPS497502A (sv) | 1974-01-23 |
FI55067B (fi) | 1979-01-31 |
SE378119B (sv) | 1975-08-18 |
US3867251A (en) | 1975-02-18 |
JPS565876B2 (sv) | 1981-02-07 |
FI55067C (fi) | 1979-05-10 |
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