FR2281457A1 - Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de cellulose - Google Patents
Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de celluloseInfo
- Publication number
- FR2281457A1 FR2281457A1 FR7524478A FR7524478A FR2281457A1 FR 2281457 A1 FR2281457 A1 FR 2281457A1 FR 7524478 A FR7524478 A FR 7524478A FR 7524478 A FR7524478 A FR 7524478A FR 2281457 A1 FR2281457 A1 FR 2281457A1
- Authority
- FR
- France
- Prior art keywords
- sodium chloride
- cellulose pulp
- removing sodium
- pulp plant
- plant effluents
- 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.)
- Granted
Links
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title 2
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 239000011780 sodium chloride Substances 0.000 title 1
Classifications
-
- 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
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
-
- 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
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/495,088 US3954552A (en) | 1974-08-05 | 1974-08-05 | Removal of sodium chloride from pulp mill systems |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2281457A1 true FR2281457A1 (fr) | 1976-03-05 |
FR2281457B1 FR2281457B1 (fr) | 1978-09-01 |
Family
ID=23967232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7524478A Granted FR2281457A1 (fr) | 1974-08-05 | 1975-08-05 | Procede pour eliminer le chlorure de sodium des effluents d'usines de pate de cellulose |
Country Status (6)
Country | Link |
---|---|
US (1) | US3954552A (fr) |
JP (1) | JPS5149903A (fr) |
CA (1) | CA1061962A (fr) |
FI (1) | FI62363C (fr) |
FR (1) | FR2281457A1 (fr) |
SE (1) | SE7508794L (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI53728C (fi) * | 1974-03-12 | 1978-07-10 | Ahlstroem Oy | Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning |
ZA762995B (en) * | 1976-05-19 | 1977-07-27 | Sappi Ltd | Improvements relating to recovery of chemicals |
US4153502A (en) * | 1977-05-06 | 1979-05-08 | Corrosion Service Company Limited | Process for the production of polysulphide pulping liquor from pulp mill recovery smelt |
US4288286A (en) * | 1978-12-08 | 1981-09-08 | Hooker Chemicals & Plastics Corp. | Kraft mill recycle process |
JPS5854287A (ja) * | 1981-09-22 | 1983-03-31 | 旭硝子株式会社 | セラミツクス部材の防震装置 |
GB9117936D0 (en) * | 1991-08-20 | 1991-10-09 | Canada Inc | Production of sodium hydroxide |
US5567293A (en) * | 1994-12-22 | 1996-10-22 | Pulp And Paper Research Institute Of Canada | Electromembrane processes for the treatment of kraft mill electrostatic precipitator catch |
SE0103241D0 (sv) * | 2001-09-28 | 2001-09-28 | Skogsind Tekn Foskningsinst | Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam |
US8721837B2 (en) * | 2012-07-26 | 2014-05-13 | Veolia Water Solutions & Technologies North America, Inc. | Method for recovering pulping chemicals and reducing the concentration of potassium and chloride therein |
CN104631181B (zh) * | 2013-11-12 | 2018-09-25 | 王子控股株式会社 | 回收锅炉收集灰的处理方法及处理装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712787A (en) * | 1924-02-06 | 1929-05-14 | American Potash & Chem Corp | Concentration of brines |
US1836426A (en) * | 1930-02-01 | 1931-12-15 | American Potash & Chem Corp | Process of separating sodium salts from mixtures thereof |
FR2159935A1 (en) * | 1971-11-02 | 1973-06-22 | Jujo Paper Co Ltd | Chlorine contg cpds recovery - from paper pulp making effluent, by burning waste liquid |
FR2240185A1 (fr) * | 1973-08-07 | 1975-03-07 | Erco Envirotech Ltd |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1791281A (en) * | 1929-04-29 | 1931-02-03 | Morse Harry Wheeler | Production of sodium-carbonate liquor |
US2642399A (en) * | 1949-02-23 | 1953-06-16 | Robert S Aries | Process for dissolving ash containing sodium sulfide and sodium carbonate |
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 |
GB1217833A (en) * | 1967-01-16 | 1970-12-31 | Electric Reduction Co | Improved cellulosic pulp process |
US3560329A (en) * | 1968-12-27 | 1971-02-02 | Combustion Eng | Process for low sulfide chemical recovery |
US3746612A (en) * | 1969-12-30 | 1973-07-17 | Erco Envirotech Ltd | Removal of sodium chloride from white pulping liquor |
SE362453C (sv) * | 1971-02-05 | 1976-02-26 | Mo Och Domsjoe Ab | Sett att forhindra utslepp av klorhaltiga fororeningar vid natriumbaserade cellulosafabriker |
CA947010A (en) * | 1971-02-23 | 1974-05-14 | Erco Envirotech Ltd. | Chlorination of alkali metal carbonates recovered from the production of pulp |
JPS4943482B2 (fr) * | 1971-11-02 | 1974-11-21 | ||
JPS507161B2 (fr) * | 1972-06-12 | 1975-03-22 | ||
US3909344A (en) * | 1973-12-03 | 1975-09-30 | Erco Envirotech Ltd | Removal of sodium chloride from pulp mill operations |
-
1974
- 1974-08-05 US US05/495,088 patent/US3954552A/en not_active Expired - Lifetime
-
1975
- 1975-08-01 CA CA232,774A patent/CA1061962A/fr not_active Expired
- 1975-08-04 SE SE7508794A patent/SE7508794L/xx unknown
- 1975-08-05 FI FI752228A patent/FI62363C/fi not_active IP Right Cessation
- 1975-08-05 FR FR7524478A patent/FR2281457A1/fr active Granted
- 1975-08-05 JP JP50095348A patent/JPS5149903A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712787A (en) * | 1924-02-06 | 1929-05-14 | American Potash & Chem Corp | Concentration of brines |
US1836426A (en) * | 1930-02-01 | 1931-12-15 | American Potash & Chem Corp | Process of separating sodium salts from mixtures thereof |
FR2159935A1 (en) * | 1971-11-02 | 1973-06-22 | Jujo Paper Co Ltd | Chlorine contg cpds recovery - from paper pulp making effluent, by burning waste liquid |
FR2240185A1 (fr) * | 1973-08-07 | 1975-03-07 | Erco Envirotech Ltd |
Also Published As
Publication number | Publication date |
---|---|
FI752228A (fr) | 1976-02-06 |
AU8384975A (en) | 1977-02-17 |
FI62363B (fi) | 1982-08-31 |
FI62363C (fi) | 1982-12-10 |
JPS5149903A (fr) | 1976-04-30 |
US3954552A (en) | 1976-05-04 |
FR2281457B1 (fr) | 1978-09-01 |
SE7508794L (sv) | 1976-02-06 |
CA1061962A (fr) | 1979-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |