ES421470A1 - Un procedimiento para convertir en pasta de papel material celulosico fibroso. - Google Patents
Un procedimiento para convertir en pasta de papel material celulosico fibroso.Info
- Publication number
- ES421470A1 ES421470A1 ES421470A ES421470A ES421470A1 ES 421470 A1 ES421470 A1 ES 421470A1 ES 421470 A ES421470 A ES 421470A ES 421470 A ES421470 A ES 421470A ES 421470 A1 ES421470 A1 ES 421470A1
- Authority
- ES
- Spain
- Prior art keywords
- sodium chloride
- pulp
- pulp production
- production
- liquor
- 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
-
- 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
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
-
- 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
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
-
- 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
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Packages (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5802972 | 1972-12-15 | ||
GB1372673 | 1973-03-22 | ||
GB2598573 | 1973-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES421470A1 true ES421470A1 (es) | 1976-10-01 |
Family
ID=27257028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES421470A Expired ES421470A1 (es) | 1972-12-15 | 1973-12-14 | Un procedimiento para convertir en pasta de papel material celulosico fibroso. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3950217A (es) |
CA (1) | CA1008204A (es) |
ES (1) | ES421470A1 (es) |
FI (1) | FI58659C (es) |
FR (1) | FR2210695B1 (es) |
NO (1) | NO142409C (es) |
SE (1) | SE400997B (es) |
Families Citing this family (8)
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 |
FR2286234A1 (fr) * | 1974-09-27 | 1976-04-23 | Erco Envirotech Ltd | Fabrication de pate de cellulose blanchie |
ZA761255B (en) * | 1975-03-11 | 1977-03-30 | Erco Envirotech Ltd | Bleachplant operation |
US4098639A (en) * | 1975-06-17 | 1978-07-04 | Mo Och Domsjo Aktiebolag | Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material |
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 |
CA1113207A (en) * | 1978-04-19 | 1981-12-01 | Allan F. Gilbert | Removal of potassium values from pulp mill liquors |
US4259082A (en) * | 1979-06-07 | 1981-03-31 | Scott Paper Company | Process for purifying sodium sulfate crystals |
WO2017178849A1 (en) * | 2016-04-15 | 2017-10-19 | MIKULIC Marinko | A continuous process for production of cellulose pulp |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA915361A (en) * | 1972-11-28 | Electric Reduction Company Of Canada | Chemical recovery process | |
CA783483A (en) * | 1964-08-13 | 1968-04-23 | Electric Reduction Company Of Canada | Processes for bleaching cellulosic pulps |
GB1217833A (en) * | 1967-01-16 | 1970-12-31 | Electric Reduction Co | Improved cellulosic pulp process |
US3746612A (en) * | 1969-12-30 | 1973-07-17 | Erco Envirotech Ltd | Removal of sodium chloride from white pulping liquor |
JPS5510716B2 (es) * | 1971-11-02 | 1980-03-18 |
-
1973
- 1973-12-06 SE SE7316509A patent/SE400997B/xx unknown
- 1973-12-07 CA CA187,714A patent/CA1008204A/en not_active Expired
- 1973-12-11 FI FI3779/73A patent/FI58659C/fi active
- 1973-12-12 US US05/423,998 patent/US3950217A/en not_active Expired - Lifetime
- 1973-12-14 FR FR7344821A patent/FR2210695B1/fr not_active Expired
- 1973-12-14 NO NO4788/73A patent/NO142409C/no unknown
- 1973-12-14 ES ES421470A patent/ES421470A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE400997B (sv) | 1978-04-17 |
NO142409C (no) | 1980-08-20 |
NO142409B (no) | 1980-05-05 |
FR2210695B1 (es) | 1976-05-07 |
FI58659B (fi) | 1980-11-28 |
FI58659C (fi) | 1981-03-10 |
FR2210695A1 (es) | 1974-07-12 |
US3950217A (en) | 1976-04-13 |
CA1008204A (en) | 1977-04-12 |
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