FR2227231A1 - Waste water purificn. using aluminium oxide - to absorb org. impurities such as lignin and hemicelluloses - Google Patents

Waste water purificn. using aluminium oxide - to absorb org. impurities such as lignin and hemicelluloses

Info

Publication number
FR2227231A1
FR2227231A1 FR7414252A FR7414252A FR2227231A1 FR 2227231 A1 FR2227231 A1 FR 2227231A1 FR 7414252 A FR7414252 A FR 7414252A FR 7414252 A FR7414252 A FR 7414252A FR 2227231 A1 FR2227231 A1 FR 2227231A1
Authority
FR
France
Prior art keywords
waste water
lignin
org
aluminium oxide
hemicelluloses
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
Application number
FR7414252A
Other languages
French (fr)
Other versions
FR2227231B1 (en
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.)
Feldmuehle Anlagen und Produktion GmbH
Original Assignee
Feldmuehle Anlagen und Produktion GmbH
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
Priority claimed from DE19732320799 external-priority patent/DE2320799C3/en
Priority claimed from DE19742418185 external-priority patent/DE2418185C2/en
Priority claimed from DE2418169A external-priority patent/DE2418169C2/en
Application filed by Feldmuehle Anlagen und Produktion GmbH filed Critical Feldmuehle Anlagen und Produktion GmbH
Publication of FR2227231A1 publication Critical patent/FR2227231A1/en
Application granted granted Critical
Publication of FR2227231B1 publication Critical patent/FR2227231B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Paper (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Detergent Compositions (AREA)

Abstract

Purificn. of waste water, esp. waste water from cellulose-, paper-, and cardboard industry, in which org. substances like lignin and hemicellulose in the waste water, which may be pretreated, are removed by absorption with a suspension of granulated aluminium oxide with large specific surface.
FR7414252A 1973-04-25 1974-04-24 Waste water purificn. using aluminium oxide - to absorb org. impurities such as lignin and hemicelluloses Granted FR2227231A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19732320799 DE2320799C3 (en) 1973-04-25 1973-04-25 Process for cleaning industrial waste water
DE19742418185 DE2418185C2 (en) 1974-04-13 1974-04-13 Process for purifying sewage
DE2418169A DE2418169C2 (en) 1974-04-13 1974-04-13 Process for purifying sewage

Publications (2)

Publication Number Publication Date
FR2227231A1 true FR2227231A1 (en) 1974-11-22
FR2227231B1 FR2227231B1 (en) 1979-09-28

Family

ID=27185225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414252A Granted FR2227231A1 (en) 1973-04-25 1974-04-24 Waste water purificn. using aluminium oxide - to absorb org. impurities such as lignin and hemicelluloses

Country Status (11)

Country Link
JP (1) JPS5835754B2 (en)
AT (1) AT335928B (en)
BR (1) BR7403338D0 (en)
CA (1) CA1006096A (en)
CH (1) CH605429A5 (en)
DD (1) DD112637A5 (en)
FI (1) FI59973C (en)
FR (1) FR2227231A1 (en)
IT (1) IT1013780B (en)
NO (1) NO141644C (en)
SE (1) SE438847B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355546A1 (en) * 1976-06-23 1978-01-20 Haberer Klaus PROCESS FOR MANUFACTURING ACTIVE FILTERS INTENDED IN PARTICULAR FOR THE TREATMENT OF WASTE AND UNWASTED WATER
EP0488988A1 (en) * 1990-11-26 1992-06-03 Lenzing Aktiengesellschaft Process for purifying aqueous solutions of N-methyl-morpholine N-oxide

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6202921B2 (en) * 2013-07-23 2017-09-27 株式会社東芝 Water treatment equipment
JP6416320B2 (en) * 2017-05-15 2018-10-31 株式会社東芝 Water treatment equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355546A1 (en) * 1976-06-23 1978-01-20 Haberer Klaus PROCESS FOR MANUFACTURING ACTIVE FILTERS INTENDED IN PARTICULAR FOR THE TREATMENT OF WASTE AND UNWASTED WATER
EP0488988A1 (en) * 1990-11-26 1992-06-03 Lenzing Aktiengesellschaft Process for purifying aqueous solutions of N-methyl-morpholine N-oxide
US5178764A (en) * 1990-11-26 1993-01-12 Lenzing Aktiengesellschaft Process for cleaning or purifying aqueous n-methylmorpholine-n-oxide solutions
TR25834A (en) * 1990-11-26 1993-09-01 Chemiefaser Lenzing Ag PROCEDURE FOR TREATMENT OF WATER N-METHYLMORPHOLIN-N-OXIDE SOLUTIONS

Also Published As

Publication number Publication date
IT1013780B (en) 1977-03-30
FR2227231B1 (en) 1979-09-28
NO741459L (en) 1974-10-28
CH605429A5 (en) 1978-09-29
NO141644C (en) 1980-04-23
ATA312874A (en) 1976-07-15
NO141644B (en) 1980-01-07
AT335928B (en) 1977-04-12
JPS5835754B2 (en) 1983-08-04
CA1006096A (en) 1977-03-01
FI59973B (en) 1981-07-31
SE438847B (en) 1985-05-13
DD112637A5 (en) 1975-04-20
BR7403338D0 (en) 1974-12-03
JPS5031665A (en) 1975-03-28
FI59973C (en) 1981-11-10

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse