GB2154224A - Clay dewatering process - Google Patents

Clay dewatering process Download PDF

Info

Publication number
GB2154224A
GB2154224A GB08432795A GB8432795A GB2154224A GB 2154224 A GB2154224 A GB 2154224A GB 08432795 A GB08432795 A GB 08432795A GB 8432795 A GB8432795 A GB 8432795A GB 2154224 A GB2154224 A GB 2154224A
Authority
GB
United Kingdom
Prior art keywords
slurry
solids
filter cake
filter
weight
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
GB08432795A
Other languages
English (en)
Other versions
GB8432795D0 (en
GB2154224B (enExample
Inventor
Walter R Willis
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 Catalysts LLC
Original Assignee
Engelhard Corp
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 Engelhard Corp filed Critical Engelhard Corp
Publication of GB8432795D0 publication Critical patent/GB8432795D0/en
Publication of GB2154224A publication Critical patent/GB2154224A/en
Application granted granted Critical
Publication of GB2154224B publication Critical patent/GB2154224B/en
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D57/00—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C
    • B01D57/02—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C by electrophoresis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C1/00—Apparatus or methods for obtaining or processing clay
    • B28C1/02—Apparatus or methods for obtaining or processing clay for producing or processing clay suspensions, e.g. slip
    • B28C1/06—Processing suspensions, i.e. after mixing
    • B28C1/08—Separating suspensions, e.g. for obtaining clay, for removing stones; Cleaning clay slurries
    • B28C1/082—Dewatering ; Using sieves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Urology & Nephrology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Molecular Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
GB08432795A 1984-02-13 1984-12-31 Clay dewatering process Granted GB2154224A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57964784A 1984-02-13 1984-02-13
US62297784A 1984-06-21 1984-06-21

Publications (3)

Publication Number Publication Date
GB8432795D0 GB8432795D0 (en) 1985-02-06
GB2154224A true GB2154224A (en) 1985-09-04
GB2154224B GB2154224B (enExample) 1989-01-25

Family

ID=27077818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08432795A Granted GB2154224A (en) 1984-02-13 1984-12-31 Clay dewatering process

Country Status (3)

Country Link
AU (1) AU3757785A (enExample)
BR (1) BR8500626A (enExample)
GB (1) GB2154224A (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202934A3 (en) * 1985-05-21 1987-11-04 Dorr-Oliver Incorporated Method and apparatus for electrofiltration
US8011514B2 (en) 2004-12-23 2011-09-06 Georgia-Pacific Chemicals Llc Modified amine-aldehyde resins and uses thereof in separation processes
US8092686B2 (en) 2004-12-23 2012-01-10 Georgia-Pacific Chemicals Llc Modified amine-aldehyde resins and uses thereof in separation processes
US8127930B2 (en) 2004-12-23 2012-03-06 Georgia-Pacific Chemicals Llc Amine-aldehyde resins and uses thereof in separation processes
CN103041930A (zh) * 2004-12-23 2013-04-17 佐治亚-太平洋化学有限责任公司 胺-醛树脂及其在分离工艺中的应用
US8757389B2 (en) 2004-12-23 2014-06-24 Georgia-Pacific Chemicals Llc Amine-aldehyde resins and uses thereof in separation processes
CN101137443B (zh) * 2004-12-23 2016-03-16 佐治亚-太平洋化学有限责任公司 从含粘土矿中提纯粘土的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB495174A (en) * 1938-06-03 1938-11-08 Goonvean And Rostowrack China Improvements in or relating to the treatment of clays
GB2019889A (en) * 1978-04-20 1979-11-07 Dorr Oliver Inc Electrically Augmented Vacuum Filtration
GB1568286A (en) * 1976-06-17 1980-05-29 Dorr Oliver Inc System method for electric dewatering of solids suspension
EP0047118A1 (en) * 1980-08-28 1982-03-10 Calgon Corporation Vacuum filtration of clay slurries
GB2112366A (en) * 1981-12-30 1983-07-20 American Cyanamid Co Flocculating red mud suspension

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB495174A (en) * 1938-06-03 1938-11-08 Goonvean And Rostowrack China Improvements in or relating to the treatment of clays
GB1568286A (en) * 1976-06-17 1980-05-29 Dorr Oliver Inc System method for electric dewatering of solids suspension
GB2019889A (en) * 1978-04-20 1979-11-07 Dorr Oliver Inc Electrically Augmented Vacuum Filtration
EP0047118A1 (en) * 1980-08-28 1982-03-10 Calgon Corporation Vacuum filtration of clay slurries
GB2112366A (en) * 1981-12-30 1983-07-20 American Cyanamid Co Flocculating red mud suspension

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202934A3 (en) * 1985-05-21 1987-11-04 Dorr-Oliver Incorporated Method and apparatus for electrofiltration
US8011514B2 (en) 2004-12-23 2011-09-06 Georgia-Pacific Chemicals Llc Modified amine-aldehyde resins and uses thereof in separation processes
US8092686B2 (en) 2004-12-23 2012-01-10 Georgia-Pacific Chemicals Llc Modified amine-aldehyde resins and uses thereof in separation processes
US8127930B2 (en) 2004-12-23 2012-03-06 Georgia-Pacific Chemicals Llc Amine-aldehyde resins and uses thereof in separation processes
CN103041930A (zh) * 2004-12-23 2013-04-17 佐治亚-太平洋化学有限责任公司 胺-醛树脂及其在分离工艺中的应用
US8702993B2 (en) * 2004-12-23 2014-04-22 Georgia-Pacific Chemicals Llc Amine-aldehyde resins and uses thereof in separation processes
US8757389B2 (en) 2004-12-23 2014-06-24 Georgia-Pacific Chemicals Llc Amine-aldehyde resins and uses thereof in separation processes
CN101137443B (zh) * 2004-12-23 2016-03-16 佐治亚-太平洋化学有限责任公司 从含粘土矿中提纯粘土的方法
US10150839B2 (en) 2004-12-23 2018-12-11 Ingevity South Carolina, Llc Amine-aldehyde resins and uses thereof in separation processes

Also Published As

Publication number Publication date
GB8432795D0 (en) 1985-02-06
AU3757785A (en) 1985-08-22
BR8500626A (pt) 1985-10-01
GB2154224B (enExample) 1989-01-25

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Legal Events

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

Effective date: 19931231