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GB2294948B - Dewatering process - Google Patents

Dewatering process

Info

Publication number
GB2294948B
GB2294948B GB9519433A GB9519433A GB2294948B GB 2294948 B GB2294948 B GB 2294948B GB 9519433 A GB9519433 A GB 9519433A GB 9519433 A GB9519433 A GB 9519433A GB 2294948 B GB2294948 B GB 2294948B
Authority
GB
United Kingdom
Prior art keywords
dewatering process
dewatering
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
GB9519433A
Other versions
GB9519433D0 (en
GB2294948A (en
Inventor
Tije Alfons Gerardus Maria Ten
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.)
Scapa Group Ltd
Original Assignee
Scapa Group 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 GB9420216A external-priority patent/GB9420216D0/en
Application filed by Scapa Group Ltd filed Critical Scapa Group Ltd
Priority to GB9519433A priority Critical patent/GB2294948B/en
Publication of GB9519433D0 publication Critical patent/GB9519433D0/en
Publication of GB2294948A publication Critical patent/GB2294948A/en
Application granted granted Critical
Publication of GB2294948B publication Critical patent/GB2294948B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/56—Electro-osmotic dewatering
    • 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
    • C02F11/15—Treatment of sludge; Devices therefor by de-watering, drying or thickening by treatment with electric, magnetic or electromagnetic fields; by treatment with ultrasonic waves
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Urology & Nephrology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB9519433A 1994-10-06 1995-09-22 Dewatering process Expired - Fee Related GB2294948B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9519433A GB2294948B (en) 1994-10-06 1995-09-22 Dewatering process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9420216A GB9420216D0 (en) 1994-10-06 1994-10-06 Dewatering process
GB9519433A GB2294948B (en) 1994-10-06 1995-09-22 Dewatering process

Publications (3)

Publication Number Publication Date
GB9519433D0 GB9519433D0 (en) 1995-11-22
GB2294948A GB2294948A (en) 1996-05-15
GB2294948B true GB2294948B (en) 1998-02-25

Family

ID=26305753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9519433A Expired - Fee Related GB2294948B (en) 1994-10-06 1995-09-22 Dewatering process

Country Status (1)

Country Link
GB (1) GB2294948B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE209723T1 (en) * 1996-07-21 2001-12-15 Alois Kohl METHOD FOR DISINFECTING PAPER OR CARDBOARD
FI20051096L (en) 2005-10-31 2007-05-01 Savcor Process Oy Method in the wet end of a paper machine, board machine or other similar web forming machine

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163511A (en) * 1967-04-05 1969-09-10 Albany Felt Co Improvements in Papermakers Felts
GB1456721A (en) * 1974-01-07 1976-11-24 Acres Consulting Services Electrophoresis and electro-osmosis in settlement and consoli dation of solid/fluid suspensions
EP0018200A1 (en) * 1979-04-21 1980-10-29 Scapa-Porritt Limited Conveying and like structures
WO1980002650A1 (en) * 1979-06-05 1980-12-11 Battelle Memorial Institute Process for concentrating an aqueous sludge by electro-osmosis
US4244804A (en) * 1979-01-15 1981-01-13 Innova, Inc. Slime and sludge dewatering
US4249653A (en) * 1979-01-11 1981-02-10 Gkd Gebr. Kufferath Gmbh & Co. Kg Wire mesh band
JPS5662503A (en) * 1979-10-30 1981-05-28 Kurita Water Ind Ltd Sludge dehydrator
GB2083431A (en) * 1980-09-06 1982-03-24 Scapa Porritt Ltd Link belts
US4420529A (en) * 1980-08-22 1983-12-13 Scapa Dryers, Inc. Anti-static dryer fabrics
JPS5936507A (en) * 1982-08-23 1984-02-28 Oyama Kogyo Koutou Senmon Gatsukouchiyou Continuous electroosmosis dehydrating equipment for sludge by beltconveying system
EP0124040A2 (en) * 1983-04-29 1984-11-07 Württembergische Filztuchfabrik D. Geschmay GmbH Link belt, for example for the manufacture of paper
JPS60147209A (en) * 1984-01-12 1985-08-03 Fuji Electric Corp Res & Dev Ltd Electrode of electroosmotic dehydrator
US4796749A (en) * 1986-11-07 1989-01-10 Siteg Siebtechnik Gmbh Spiral link belt with composite helices
US4839213A (en) * 1980-11-14 1989-06-13 Cofpa Conveyor belt constituted by plastic spirals
US5049248A (en) * 1986-12-08 1991-09-17 Battelle Memorial Institute Liquid separation process for suspensions by a pulsating electrical current
ZA91538B (en) * 1990-03-14 1991-11-27 Csir Electro-osmotic dewatering of sludges
EP0578182A2 (en) * 1992-07-07 1994-01-12 Fuji Electric Co., Ltd. Electro-endosmosis type dehydrator

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1163511A (en) * 1967-04-05 1969-09-10 Albany Felt Co Improvements in Papermakers Felts
GB1456721A (en) * 1974-01-07 1976-11-24 Acres Consulting Services Electrophoresis and electro-osmosis in settlement and consoli dation of solid/fluid suspensions
US4249653A (en) * 1979-01-11 1981-02-10 Gkd Gebr. Kufferath Gmbh & Co. Kg Wire mesh band
US4244804A (en) * 1979-01-15 1981-01-13 Innova, Inc. Slime and sludge dewatering
EP0018200A1 (en) * 1979-04-21 1980-10-29 Scapa-Porritt Limited Conveying and like structures
WO1980002650A1 (en) * 1979-06-05 1980-12-11 Battelle Memorial Institute Process for concentrating an aqueous sludge by electro-osmosis
JPS5662503A (en) * 1979-10-30 1981-05-28 Kurita Water Ind Ltd Sludge dehydrator
US4420529A (en) * 1980-08-22 1983-12-13 Scapa Dryers, Inc. Anti-static dryer fabrics
GB2083431A (en) * 1980-09-06 1982-03-24 Scapa Porritt Ltd Link belts
US4839213A (en) * 1980-11-14 1989-06-13 Cofpa Conveyor belt constituted by plastic spirals
JPS5936507A (en) * 1982-08-23 1984-02-28 Oyama Kogyo Koutou Senmon Gatsukouchiyou Continuous electroosmosis dehydrating equipment for sludge by beltconveying system
EP0124040A2 (en) * 1983-04-29 1984-11-07 Württembergische Filztuchfabrik D. Geschmay GmbH Link belt, for example for the manufacture of paper
JPS60147209A (en) * 1984-01-12 1985-08-03 Fuji Electric Corp Res & Dev Ltd Electrode of electroosmotic dehydrator
US4796749A (en) * 1986-11-07 1989-01-10 Siteg Siebtechnik Gmbh Spiral link belt with composite helices
US5049248A (en) * 1986-12-08 1991-09-17 Battelle Memorial Institute Liquid separation process for suspensions by a pulsating electrical current
ZA91538B (en) * 1990-03-14 1991-11-27 Csir Electro-osmotic dewatering of sludges
EP0578182A2 (en) * 1992-07-07 1994-01-12 Fuji Electric Co., Ltd. Electro-endosmosis type dehydrator

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession No.92-049394/06 & ZA9100538 *
WPI Abstract No.81-52212D/29 & JP56062503 *
WPI Abstract No.84-085990/14 & JP59036507A *
WPI Accession No.85-226762/37 & JP60147209A *

Also Published As

Publication number Publication date
GB9519433D0 (en) 1995-11-22
GB2294948A (en) 1996-05-15

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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: 20140922