FR2202043B1 - - Google Patents

Info

Publication number
FR2202043B1
FR2202043B1 FR7335294A FR7335294A FR2202043B1 FR 2202043 B1 FR2202043 B1 FR 2202043B1 FR 7335294 A FR7335294 A FR 7335294A FR 7335294 A FR7335294 A FR 7335294A FR 2202043 B1 FR2202043 B1 FR 2202043B1
Authority
FR
France
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
Application number
FR7335294A
Other languages
French (fr)
Other versions
FR2202043A1 (en
Inventor
B Broddevall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uddeholms AB
Original Assignee
Uddeholms AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uddeholms AB filed Critical Uddeholms AB
Publication of FR2202043A1 publication Critical patent/FR2202043A1/fr
Application granted granted Critical
Publication of FR2202043B1 publication Critical patent/FR2202043B1/fr
Granted legal-status Critical Current

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
    • D21C11/0021—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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
FR7335294A 1972-10-04 1973-10-03 Purificn. of waste water fronm paper prodn. - contg. bleaching cpds. and lignins by precipitation and ion exchange Granted FR2202043A1 (en)

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 FR2202043A1 (en) 1974-05-03
FR2202043B1 true 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)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA1013511A (en) 1977-07-12
FR2202043A1 (en) 1974-05-03
SE372298B (enrdf_load_stackoverflow) 1974-12-16
JPS4971201A (enrdf_load_stackoverflow) 1974-07-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse