GB2450797B - Concentration and dewatering of suspensions - Google Patents

Concentration and dewatering of suspensions

Info

Publication number
GB2450797B
GB2450797B GB0811939A GB0811939A GB2450797B GB 2450797 B GB2450797 B GB 2450797B GB 0811939 A GB0811939 A GB 0811939A GB 0811939 A GB0811939 A GB 0811939A GB 2450797 B GB2450797 B GB 2450797B
Authority
GB
United Kingdom
Prior art keywords
dewatering
suspensions
concentration
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 - Fee Related
Application number
GB0811939A
Other versions
GB2450797A (en
GB0811939D0 (en
Inventor
Stephen John Adkins
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.)
BASF Schweiz AG
Original Assignee
Ciba Holding AG
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 Ciba Holding AG filed Critical Ciba Holding AG
Publication of GB0811939D0 publication Critical patent/GB0811939D0/en
Publication of GB2450797A publication Critical patent/GB2450797A/en
Application granted granted Critical
Publication of GB2450797B publication Critical patent/GB2450797B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/56—Macromolecular compounds
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB0811939A 2007-07-06 2008-07-01 Concentration and dewatering of suspensions Expired - Fee Related GB2450797B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0713024.8A GB0713024D0 (en) 2007-07-06 2007-07-06 Concentration and dewatering of suspensions

Publications (3)

Publication Number Publication Date
GB0811939D0 GB0811939D0 (en) 2008-07-30
GB2450797A GB2450797A (en) 2009-01-07
GB2450797B true GB2450797B (en) 2010-05-05

Family

ID=38440426

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0713024.8A Ceased GB0713024D0 (en) 2007-07-06 2007-07-06 Concentration and dewatering of suspensions
GB0811939A Expired - Fee Related GB2450797B (en) 2007-07-06 2008-07-01 Concentration and dewatering of suspensions

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0713024.8A Ceased GB0713024D0 (en) 2007-07-06 2007-07-06 Concentration and dewatering of suspensions

Country Status (1)

Country Link
GB (2) GB0713024D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102939141A (en) * 2010-04-09 2013-02-20 巴斯夫欧洲公司 Concentration of suspensions

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1397126B1 (en) * 2009-10-13 2013-01-04 Fil Tec S R L SYSTEM AND METHOD FOR FILTERING THE WASTE WATER DERIVING FROM THE CUTTING OF BLOCKS AND POLISHING OF MARBLES, GRANITES AND SIMILARS.
ITBA20110056A1 (en) * 2011-10-13 2013-04-14 Antonio Ninivaggi PROCEDURE FOR THE TRANSFORMATION OF SLUDGES BY SAGAGUE PROCESSING, BASIC COMPONENT FOR PASTA PRODUCTION OF: STUCCHI, ADHESIVES, WATERPROOFINGS.
AU2013298635B2 (en) * 2012-07-31 2016-04-07 Basf Se Concentration of suspensions
CA2892983C (en) * 2013-01-18 2017-09-19 Basf Se Treatment of fine tailings

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003024888A1 (en) * 2001-09-14 2003-03-27 Imerys Pigments, Inc. Integrated process for simultaneous beneficiation, leaching and dewatering of a kaolin clay suspension

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003024888A1 (en) * 2001-09-14 2003-03-27 Imerys Pigments, Inc. Integrated process for simultaneous beneficiation, leaching and dewatering of a kaolin clay suspension

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102939141A (en) * 2010-04-09 2013-02-20 巴斯夫欧洲公司 Concentration of suspensions

Also Published As

Publication number Publication date
GB2450797A (en) 2009-01-07
GB0811939D0 (en) 2008-07-30
GB0713024D0 (en) 2007-08-15

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Legal Events

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

Effective date: 20170701