GB0030024D0 - Flocculants - Google Patents

Flocculants

Info

Publication number
GB0030024D0
GB0030024D0 GBGB0030024.4A GB0030024A GB0030024D0 GB 0030024 D0 GB0030024 D0 GB 0030024D0 GB 0030024 A GB0030024 A GB 0030024A GB 0030024 D0 GB0030024 D0 GB 0030024D0
Authority
GB
United Kingdom
Prior art keywords
flocculants
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
GBGB0030024.4A
Other versions
GB2358186B (en
GB2358186A (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.)
Rockwood Specialties Ltd
Original Assignee
Rockwood Specialties 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
Application filed by Rockwood Specialties Ltd filed Critical Rockwood Specialties Ltd
Publication of GB0030024D0 publication Critical patent/GB0030024D0/en
Publication of GB2358186A publication Critical patent/GB2358186A/en
Application granted granted Critical
Publication of GB2358186B publication Critical patent/GB2358186B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/56—Chlorides
    • C01F7/57—Basic aluminium chlorides, e.g. polyaluminium chlorides
    • 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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
GB0030024A 1999-12-16 2000-12-08 Flocculants Expired - Fee Related GB2358186B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9929637.8A GB9929637D0 (en) 1999-12-16 1999-12-16 Flocculants

Publications (3)

Publication Number Publication Date
GB0030024D0 true GB0030024D0 (en) 2001-01-24
GB2358186A GB2358186A (en) 2001-07-18
GB2358186B GB2358186B (en) 2002-01-16

Family

ID=10866368

Family Applications (3)

Application Number Title Priority Date Filing Date
GBGB9929637.8A Ceased GB9929637D0 (en) 1999-12-16 1999-12-16 Flocculants
GB0030024A Expired - Fee Related GB2358186B (en) 1999-12-16 2000-12-08 Flocculants
GBGB0030092.1A Pending GB0030092D0 (en) 1999-12-16 2000-12-11 Flocculants

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9929637.8A Ceased GB9929637D0 (en) 1999-12-16 1999-12-16 Flocculants

Family Applications After (1)

Application Number Title Priority Date Filing Date
GBGB0030092.1A Pending GB0030092D0 (en) 1999-12-16 2000-12-11 Flocculants

Country Status (2)

Country Link
GB (3) GB9929637D0 (en)
WO (1) WO2001044110A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526891C2 (en) * 2002-07-09 2005-11-15 Feralco Ab Aluminum sulfate compositions containing polynuclear complexes and process for their preparation and use thereof
FR2864064B1 (en) * 2003-12-22 2006-03-03 Arkema PROCESS FOR THE PRODUCTION OF SOLID ALUMINUM ALUMINUM POLYCHLORIDE AND POLYCHLOROSULFATE SOLUTIONS WITH HIGH ALUMINUM AND STABLE CONCENTRATION AND SOLUTIONS OBTAINED
EP1690834A3 (en) 2005-02-14 2015-05-13 Sachtleben Chemie GmbH Polyaluminum chloride solution
WO2008101276A1 (en) * 2007-02-20 2008-08-28 Perpetual Water Pty Ltd Apparatus and method for removing contaminants from water
SE531166C2 (en) * 2007-06-08 2009-01-07 Kemira Kemi Ab Process for the preparation of polyaluminum salts
EP2905264A1 (en) * 2014-02-10 2015-08-12 ABB France Method of treatment of the effluents of coating
CN105600893A (en) * 2015-11-18 2016-05-25 常州市清流水处理剂有限公司 Polyferric chloride production method and device
CN115353185B (en) * 2022-09-21 2023-04-07 广东天赐水处理科技有限公司 Composite polyacrylamide flocculant and application thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930940B1 (en) * 1970-08-12 1974-08-17
JPS52109492A (en) * 1976-03-11 1977-09-13 Toyo Soda Mfg Co Ltd Stabilizing method for basic aluminium chloride solution
US4566986A (en) * 1984-08-31 1986-01-28 Waldmann John J Flocculating agents and processes for making them
JPS6369600A (en) * 1986-09-10 1988-03-29 Sekisui Enbairomento Kk Dehydrating method for sludge
JPH01137975A (en) * 1987-11-25 1989-05-30 Susumu Hashimoto Immobilization of microorganism, enzyme and chemical substance
US5938970A (en) * 1997-06-11 1999-08-17 General Chemical Corporation Polynucleate metal hydroxide compounds and method for their preparation
DE19819281C2 (en) * 1998-04-30 2001-04-26 Axiva Gmbh Process for the purification of waste water from agar-agar production

Also Published As

Publication number Publication date
GB0030092D0 (en) 2001-01-24
WO2001044110B1 (en) 2001-10-25
GB2358186B (en) 2002-01-16
GB9929637D0 (en) 2000-02-09
WO2001044110A1 (en) 2001-06-21
GB2358186A (en) 2001-07-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051208