FR2202043A1 - Purificn. of waste water fronm paper prodn. - contg. bleaching cpds. and lignins by precipitation and ion exchange - Google Patents
Purificn. of waste water fronm paper prodn. - contg. bleaching cpds. and lignins by precipitation and ion exchangeInfo
- Publication number
- FR2202043A1 FR2202043A1 FR7335294A FR7335294A FR2202043A1 FR 2202043 A1 FR2202043 A1 FR 2202043A1 FR 7335294 A FR7335294 A FR 7335294A FR 7335294 A FR7335294 A FR 7335294A FR 2202043 A1 FR2202043 A1 FR 2202043A1
- Authority
- FR
- France
- Prior art keywords
- waste water
- cpds
- bleaching
- ion exchange
- precipitation
- 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
- 239000002351 wastewater Substances 0.000 title abstract 3
- 238000004061 bleaching Methods 0.000 title abstract 2
- 229920005610 lignin Polymers 0.000 title abstract 2
- 238000001556 precipitation Methods 0.000 title abstract 2
- 238000005342 ion exchange Methods 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 3
- 239000003513 alkali Substances 0.000 abstract 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 2
- 229910052801 chlorine Inorganic materials 0.000 abstract 2
- 239000000460 chlorine Substances 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000003456 ion exchange resin Substances 0.000 abstract 1
- 229920003303 ion-exchange polymer Polymers 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012629 purifying agent Substances 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
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
- D21C11/0021—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
-
- 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
-
- 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
-
- 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
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7212772A SE372298B (enrdf_load_stackoverflow) | 1972-10-04 | 1972-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2202043A1 true FR2202043A1 (en) | 1974-05-03 |
FR2202043B1 FR2202043B1 (enrdf_load_stackoverflow) | 1977-05-27 |
Family
ID=20296281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7335294A Granted 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 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS4971201A (enrdf_load_stackoverflow) |
CA (1) | CA1013511A (enrdf_load_stackoverflow) |
FR (1) | FR2202043A1 (enrdf_load_stackoverflow) |
SE (1) | SE372298B (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2290399A1 (fr) * | 1974-11-11 | 1976-06-04 | Rohm & Haas | Procede pour purifier et decolorer des effluents provenant de la fabrication de pate a papier |
FR2605306A1 (fr) * | 1985-03-13 | 1988-04-22 | Stone Container Corp | Procede de decoloration d'eaux residuaires de pate et de papier |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1972
- 1972-10-04 SE SE7212772A patent/SE372298B/xx unknown
-
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
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2290399A1 (fr) * | 1974-11-11 | 1976-06-04 | Rohm & Haas | Procede pour purifier et decolorer des effluents provenant de la fabrication de pate a papier |
FR2605306A1 (fr) * | 1985-03-13 | 1988-04-22 | Stone Container Corp | Procede de decoloration d'eaux residuaires de pate et de papier |
Also Published As
Publication number | Publication date |
---|---|
SE372298B (enrdf_load_stackoverflow) | 1974-12-16 |
JPS4971201A (enrdf_load_stackoverflow) | 1974-07-10 |
CA1013511A (en) | 1977-07-12 |
FR2202043B1 (enrdf_load_stackoverflow) | 1977-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |