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GB1424702A - Method of decolourizing waste coloured aqueous liquid - Google Patents

Method of decolourizing waste coloured aqueous liquid

Info

Publication number
GB1424702A
GB1424702A GB1963073A GB1963073A GB1424702A GB 1424702 A GB1424702 A GB 1424702A GB 1963073 A GB1963073 A GB 1963073A GB 1963073 A GB1963073 A GB 1963073A GB 1424702 A GB1424702 A GB 1424702A
Authority
GB
United Kingdom
Prior art keywords
compound
aqueous liquid
waste
formula
amino compound
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
Application number
GB1963073A
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.)
Kanebo Ltd
Original Assignee
Kanebo Ltd
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 JP4240572A external-priority patent/JPS5524939B2/ja
Priority claimed from JP6594572A external-priority patent/JPS5339707B2/ja
Priority claimed from JP1810473A external-priority patent/JPS49105356A/ja
Priority claimed from JP2001373A external-priority patent/JPS5148390B2/ja
Application filed by Kanebo Ltd filed Critical Kanebo Ltd
Publication of GB1424702A publication Critical patent/GB1424702A/en
Expired 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

1424702 Decolorizing waste aqueous liquid KANEBO Ltd 25 April 1973 [27 April 1972 30 June 1972 14 Feb 1973 19 Feb 1973] 19630/73 Heading C1C [Also in Division C3] Waste coloured aqueous liquid is decolorized by contacting the liquid, which contains at least one non-cationic colouring substance or fluorescent brightening agent, with a coagulating agent containing at least one compound selected from (A) water-soluble condensation products of an aliphatic aldehyde or paraformaldehyde with (a) a compound of formula H 2 N(R 1 -NH-R 2 ) n -NH 2 where R 1 and R 2 are C 1-4 alkylene and n is an integer, a mixture of such a compound and one or more secondary or tertiary amines or a partial deammonization product of such a compound, (b) an aromatic amino compound (including hydrazines) and (c) a mixture of an aliphatic amino compound having at least one guanidino radical and at least one other amino compound selected from compounds of formula ethylene diamine, urea, melamine, ethyleneimine and compounds of formula R 3 -NH-R 4 where R 3 is H or C 1-4 alkyl or alkoxy and R 4 is C 1-4 alkyl or alkoxy; and (B) water soluble metallized complexes of the condensation products (A) with polyvalent metal ions, thereby coagulating the colouring substance or brightening agent and removing the coagulated material from the aqueous liquid. The treatment may be effected at a pH of 6À0 to 8À0 and a conventional coagulating agent selected from aluminium sulphate, polyaluminium chloride, ferric and ferrous chlorides and sulphates and polyacrylamides. A large number of suitable colouring substances are specified.
GB1963073A 1972-04-27 1973-04-25 Method of decolourizing waste coloured aqueous liquid Expired GB1424702A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4240572A JPS5524939B2 (en) 1972-04-27 1972-04-27
JP6594572A JPS5339707B2 (en) 1972-06-30 1972-06-30
JP1810473A JPS49105356A (en) 1973-02-14 1973-02-14
JP2001373A JPS5148390B2 (en) 1973-02-19 1973-02-19

Publications (1)

Publication Number Publication Date
GB1424702A true GB1424702A (en) 1976-02-11

Family

ID=27456897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1963073A Expired GB1424702A (en) 1972-04-27 1973-04-25 Method of decolourizing waste coloured aqueous liquid

Country Status (4)

Country Link
DE (1) DE2321509C3 (en)
FR (1) FR2182210B1 (en)
GB (1) GB1424702A (en)
IT (1) IT982835B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005035449A1 (en) * 2003-10-10 2005-04-21 Kemira Oyj Metal complexed organic coagulant for purification of waste water

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443305B2 (en) * 1974-04-08 1979-12-19
DE2503169B1 (en) * 1975-01-27 1976-06-16 Bayer Ag SEWAGE REMOVAL PROCESS
DE2508246A1 (en) * 1975-02-26 1976-09-09 Bayer Ag PROCESS FOR THE REMOVAL OF WATER-SOLUBLE IONIC COMPOUNDS FROM AQUATIC SOLUTIONS BY ULTRAFILTRATION
ES501108A0 (en) * 1980-04-07 1982-12-01 Nalco Chemical Co A METHOD OF PREPARING AN ANILINE COPOLYMER.
US10465039B2 (en) 2015-11-17 2019-11-05 Evonik Degussa Gmbh Epoxy curing agents, compositions and uses thereof
US10556985B2 (en) 2015-11-17 2020-02-11 Evonik Operations Gmbh Nitrogen-containing heterocyclic epoxy curing agents, compositions and methods

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB723868A (en) * 1951-02-15 1955-02-16 Ind Tape Corp Precipitation of material from dispersions thereof
US3484837A (en) * 1968-09-09 1969-12-16 Reichhold Chemicals Inc Process for removal of inorganic and organic matter from waste water systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005035449A1 (en) * 2003-10-10 2005-04-21 Kemira Oyj Metal complexed organic coagulant for purification of waste water

Also Published As

Publication number Publication date
DE2321509B2 (en) 1974-04-18
DE2321509A1 (en) 1973-11-15
FR2182210B1 (en) 1978-06-23
DE2321509C3 (en) 1974-11-21
FR2182210A1 (en) 1973-12-07
IT982835B (en) 1974-10-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee