JPS50123902A - - Google Patents
Info
- Publication number
- JPS50123902A JPS50123902A JP50027909A JP2790975A JPS50123902A JP S50123902 A JPS50123902 A JP S50123902A JP 50027909 A JP50027909 A JP 50027909A JP 2790975 A JP2790975 A JP 2790975A JP S50123902 A JPS50123902 A JP S50123902A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/22—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/22—Alkali metal sulfides or polysulfides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- 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
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- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Furnace Details (AREA)
- Paper (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI743/74A FI53728C (fi) | 1974-03-12 | 1974-03-12 | Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50123902A true JPS50123902A (pt-PT) | 1975-09-29 |
| JPS522001B2 JPS522001B2 (pt-PT) | 1977-01-19 |
Family
ID=8504575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50027909A Expired JPS522001B2 (pt-PT) | 1974-03-12 | 1975-03-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4093508A (pt-PT) |
| JP (1) | JPS522001B2 (pt-PT) |
| FI (1) | FI53728C (pt-PT) |
| FR (1) | FR2264128B1 (pt-PT) |
| SE (1) | SE422965B (pt-PT) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06173184A (ja) * | 1992-07-27 | 1994-06-21 | A Ahlstroem Oy | 緑液結晶化 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE448102B (sv) * | 1981-10-13 | 1987-01-19 | Claes Svensson | Forfarande vid beredning av kokkemikalier for cellulosamassaframstellning |
| FI67732C (fi) * | 1982-10-20 | 1985-05-10 | Tampella Oy Ab | Saett att aotervinna kemikalier fraon kloridhaltig groenlut |
| FI72156C (fi) * | 1985-03-19 | 1987-04-13 | Enso Gutzeit Oy | Kausticeringsfoerfarande. |
| GB9117936D0 (en) * | 1991-08-20 | 1991-10-09 | Canada Inc | Production of sodium hydroxide |
| US5246542A (en) * | 1991-09-18 | 1993-09-21 | Fosberg Theodore M | Evaporation and recovery process for bleached chemical thermo-mechanical pulp (BCTMP) effluent |
| CH686682A5 (de) * | 1992-05-05 | 1996-05-31 | Granit Sa | Herstellung von Zellstoff nach dem S.A.P.-Verfahren. |
| SE500748C2 (sv) * | 1992-10-12 | 1994-08-22 | Bertil Pettersson | Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut |
| FI98537C (fi) * | 1993-10-20 | 1997-07-10 | Enso Gutzeit Oy | Menetelmä valkolipeässä olevan natriumhydroksidin erottamiseksi |
| FI95608B (fi) * | 1994-06-17 | 1995-11-15 | Ahlstroem Oy | Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä |
| CN101913626B (zh) * | 2010-08-03 | 2012-01-25 | 王嘉兴 | 用硫化碱废渣制备烧碱、碳酸钙和硫化钠的方法 |
| AU2014203695B2 (en) * | 2013-07-09 | 2015-05-28 | Parkway Process Technologies Pty Ltd | Process for Manufacture of Sodium Hydroxide and Sodium Chloride Products from Waste Brine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2862887A (en) * | 1955-10-03 | 1958-12-02 | Western Preciptation Corp | Process for production and separation of sodium sulfide and sodium carbonate from spent liquors |
| US3120464A (en) * | 1960-11-29 | 1964-02-04 | Nat Council For Stream Improve | Decolorizing kraft waste liquors |
| GB1106841A (en) * | 1965-01-25 | 1968-03-20 | Electric Reduction Co | Process for the production of bleached pulp |
| GB1217833A (en) * | 1967-01-16 | 1970-12-31 | Electric Reduction Co | Improved cellulosic pulp process |
| CA928007A (en) * | 1969-12-30 | 1973-06-12 | H. Rapson William | Chemical recovery process |
| CA915362A (en) * | 1969-12-30 | 1972-11-28 | W. Reeve Douglas | Chemical recovery process |
| US3746612A (en) * | 1969-12-30 | 1973-07-17 | Erco Envirotech Ltd | Removal of sodium chloride from white pulping liquor |
| SE400997B (sv) * | 1972-12-15 | 1978-04-17 | Erco Envirotech Ltd | Sett for avlegsnande av natriumklorid ur regenererad vitlut |
| CA1058358A (en) * | 1973-08-07 | 1979-07-17 | Erco Envirotech Ltd. | Removal of dissolved salts from sulphide liquors |
| US3909344A (en) * | 1973-12-03 | 1975-09-30 | Erco Envirotech Ltd | Removal of sodium chloride from pulp mill operations |
| US3954552A (en) * | 1974-08-05 | 1976-05-04 | Erco Envirotech Ltd. | Removal of sodium chloride from pulp mill systems |
| US3945880A (en) * | 1974-08-05 | 1976-03-23 | Erco Envirotech Ltd. | Sodium chloride removal in pulp mill systems |
-
1974
- 1974-03-12 FI FI743/74A patent/FI53728C/fi active
-
1975
- 1975-03-06 JP JP50027909A patent/JPS522001B2/ja not_active Expired
- 1975-03-10 US US05/556,974 patent/US4093508A/en not_active Expired - Lifetime
- 1975-03-11 SE SE7502730A patent/SE422965B/xx unknown
- 1975-03-12 FR FR7507736A patent/FR2264128B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06173184A (ja) * | 1992-07-27 | 1994-06-21 | A Ahlstroem Oy | 緑液結晶化 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI74374A (pt-PT) | 1975-09-13 |
| FR2264128A1 (pt-PT) | 1975-10-10 |
| FI53728C (fi) | 1978-07-10 |
| FR2264128B1 (pt-PT) | 1981-08-21 |
| FI53728B (pt-PT) | 1978-03-31 |
| US4093508A (en) | 1978-06-06 |
| JPS522001B2 (pt-PT) | 1977-01-19 |
| SE422965B (sv) | 1982-04-05 |
| SE7502730L (pt-PT) | 1975-09-15 |