SE372298B - - Google Patents
Info
- Publication number
- SE372298B SE372298B SE7212772A SE1277272A SE372298B SE 372298 B SE372298 B SE 372298B SE 7212772 A SE7212772 A SE 7212772A SE 1277272 A SE1277272 A SE 1277272A SE 372298 B SE372298 B SE 372298B
- Authority
- SE
- Sweden
Links
Classifications
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- 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
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- 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
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/07—Processes using organic exchangers in the weakly basic form
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Paper (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7212772A SE372298B (xx) | 1972-10-04 | 1972-10-04 | |
| CA182,581A CA1013511A (en) | 1972-10-04 | 1973-10-03 | Purification of waste water from sulphate pulp bleaching |
| FR7335294A FR2202043A1 (en) | 1972-10-04 | 1973-10-03 | Purificn. of waste water fronm paper prodn. - contg. bleaching cpds. and lignins by precipitation and ion exchange |
| JP48111339A JPS4971201A (xx) | 1972-10-04 | 1973-10-03 | |
| US05/570,409 US3990969A (en) | 1972-10-04 | 1975-04-22 | Purification of waste water from sulphate pulp bleaching plants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7212772A SE372298B (xx) | 1972-10-04 | 1972-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE372298B true SE372298B (xx) | 1974-12-16 |
Family
ID=20296281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7212772A SE372298B (xx) | 1972-10-04 | 1972-10-04 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4971201A (xx) |
| CA (1) | CA1013511A (xx) |
| FR (1) | FR2202043A1 (xx) |
| SE (1) | SE372298B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1059661A (en) * | 1974-11-11 | 1979-07-31 | Steven L. Rock | Decolorization of effluents from pulp mills |
| AU584715B2 (en) * | 1985-03-13 | 1989-06-01 | Stone Container Corporation | Pulp decolor process |
| US4695386A (en) * | 1985-05-20 | 1987-09-22 | Advanced Separation Technologies Incorporated | Process for the decolorization of pulp mill process streams |
| JPH0351387A (ja) * | 1989-07-19 | 1991-03-05 | Mitsubishi Paper Mills Ltd | 酸素漂白に先立つ蒸解パルプ洗浄法 |
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1972
- 1972-10-04 SE SE7212772A patent/SE372298B/xx unknown
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1973
- 1973-10-03 FR FR7335294A patent/FR2202043A1/fr active Granted
- 1973-10-03 CA CA182,581A patent/CA1013511A/en not_active Expired
- 1973-10-03 JP JP48111339A patent/JPS4971201A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2202043B1 (xx) | 1977-05-27 |
| CA1013511A (en) | 1977-07-12 |
| JPS4971201A (xx) | 1974-07-10 |
| FR2202043A1 (en) | 1974-05-03 |