GB1043616A - Coated filter aid and improved filtration method - Google Patents

Coated filter aid and improved filtration method

Info

Publication number
GB1043616A
GB1043616A GB8872/64A GB887264A GB1043616A GB 1043616 A GB1043616 A GB 1043616A GB 8872/64 A GB8872/64 A GB 8872/64A GB 887264 A GB887264 A GB 887264A GB 1043616 A GB1043616 A GB 1043616A
Authority
GB
United Kingdom
Prior art keywords
polymer
filter aid
dewatering
slurry
suspended matter
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
GB8872/64A
Other languages
English (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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 US263417A external-priority patent/US3242073A/en
Priority claimed from US343207A external-priority patent/US3352424A/en
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB1043616A publication Critical patent/GB1043616A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
    • 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
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • B01J20/106—Perlite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/14—Diatomaceous earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204—Inorganic carriers, supports or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3268—Macromolecular compounds
    • B01J20/3272—Polymers obtained by reactions otherwise than involving only carbon to carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/58—Use in a single column

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Materials (AREA)
GB8872/64A 1963-03-07 1964-03-03 Coated filter aid and improved filtration method Expired GB1043616A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US263417A US3242073A (en) 1963-03-07 1963-03-07 Removal of microorganisms from fluids
US343207A US3352424A (en) 1964-02-07 1964-02-07 Coated filter aids

Publications (1)

Publication Number Publication Date
GB1043616A true GB1043616A (en) 1966-09-21

Family

ID=26949838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8872/64A Expired GB1043616A (en) 1963-03-07 1964-03-03 Coated filter aid and improved filtration method

Country Status (4)

Country Link
BE (1) BE644772A (enrdf_load_stackoverflow)
DE (1) DE1227426B (enrdf_load_stackoverflow)
GB (1) GB1043616A (enrdf_load_stackoverflow)
NL (1) NL6402307A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550464A1 (fr) * 1983-08-13 1985-02-15 Seitz Filter Werke Couche de filtration exemple d'amiante
GB2268173A (en) * 1992-06-30 1994-01-05 Thames Water Utilities Filter medium
EP0597542A1 (en) * 1992-11-09 1994-05-18 Akzo Nobel N.V. Adsorbent compositions and methods of manufacture
WO2005089931A3 (en) * 2004-03-17 2005-12-08 Advanced Minerals Corp A mercury adsorbent composition, process of making same and method of separating mercury from fluids
CN110893296A (zh) * 2019-11-29 2020-03-20 江苏大亚铝业有限公司 铝箔轧制油的助滤剂及其使用方法
EP3509983A4 (en) * 2016-09-08 2020-05-06 B.G. Negev Technologies and Applications Ltd., at Ben-Gurion University POROUS MINERAL CORE AND METAL SHELL

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH566942A5 (enrdf_load_stackoverflow) * 1972-05-10 1975-09-30 Ciba Geigy Ag
GB2043734B (en) * 1979-03-01 1983-08-17 Amf Inc Filter and method of making same
US4594158A (en) * 1981-09-03 1986-06-10 Rohm And Haas Filter aid materials bearing anion exchange resins
US4523995A (en) * 1981-10-19 1985-06-18 Pall Corporation Charge-modified microfiber filter sheets
DE4446122A1 (de) * 1994-12-22 1996-06-27 Sued Chemie Ag Verfahren zur Herstellung eines Adsorbens für anionische Verbindungen und dessen Verwendung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2247711A (en) * 1941-07-01 Sterilization of liquids
DE594561C (de) * 1932-02-25 1934-03-19 Julius Ruppert Zink Packung fuer aus aktiver Kohle bestehende Filtermassen
DE694528C (de) * 1936-02-04 1940-08-02 Seitz Werke Gmbh Filterpresse

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550464A1 (fr) * 1983-08-13 1985-02-15 Seitz Filter Werke Couche de filtration exemple d'amiante
GB2145011A (en) * 1983-08-13 1985-03-20 Seitz Filter Werke Filter
GB2268173A (en) * 1992-06-30 1994-01-05 Thames Water Utilities Filter medium
EP0597542A1 (en) * 1992-11-09 1994-05-18 Akzo Nobel N.V. Adsorbent compositions and methods of manufacture
WO2005089931A3 (en) * 2004-03-17 2005-12-08 Advanced Minerals Corp A mercury adsorbent composition, process of making same and method of separating mercury from fluids
EP3509983A4 (en) * 2016-09-08 2020-05-06 B.G. Negev Technologies and Applications Ltd., at Ben-Gurion University POROUS MINERAL CORE AND METAL SHELL
CN110893296A (zh) * 2019-11-29 2020-03-20 江苏大亚铝业有限公司 铝箔轧制油的助滤剂及其使用方法

Also Published As

Publication number Publication date
BE644772A (enrdf_load_stackoverflow) 1964-09-07
DE1227426B (de) 1966-10-27
NL6402307A (enrdf_load_stackoverflow) 1964-09-08

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