SG10202011496QA - Filter for removing silica from ultra pure water and method of use - Google Patents

Filter for removing silica from ultra pure water and method of use

Info

Publication number
SG10202011496QA
SG10202011496QA SG10202011496QA SG10202011496QA SG10202011496QA SG 10202011496Q A SG10202011496Q A SG 10202011496QA SG 10202011496Q A SG10202011496Q A SG 10202011496QA SG 10202011496Q A SG10202011496Q A SG 10202011496QA SG 10202011496Q A SG10202011496Q A SG 10202011496QA
Authority
SG
Singapore
Prior art keywords
filter
pure water
ultra pure
removing silica
silica
Prior art date
Application number
SG10202011496QA
Inventor
Wang I-Fan
Singh Amarnauth
Original Assignee
Pall 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 Pall Corp filed Critical Pall Corp
Publication of SG10202011496QA publication Critical patent/SG10202011496QA/en

Links

Classifications

    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08—Apparatus therefor
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/02—Hollow fibre modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06—Tubular membrane modules
    • B01D63/067—Tubular membrane modules with pleated membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/14—Pleat-type membrane modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/23—Specific membrane protectors, e.g. sleeves or screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/44—Cartridge types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2319/00—Membrane assemblies within one housing
    • B01D2319/02—Elements in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2319/00—Membrane assemblies within one housing
    • B01D2319/06—Use of membranes of different materials or properties within one module
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02831—Pore size less than 1 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02832—1-10 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/16—Membrane materials having positively charged functional groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • 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
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)
SG10202011496QA 2019-11-22 2020-11-18 Filter for removing silica from ultra pure water and method of use SG10202011496QA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/692,046 US11241657B2 (en) 2019-11-22 2019-11-22 Filter for removing silica from ultra pure water and method of use

Publications (1)

Publication Number Publication Date
SG10202011496QA true SG10202011496QA (en) 2021-06-29

Family

ID=73198201

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10202011496QA SG10202011496QA (en) 2019-11-22 2020-11-18 Filter for removing silica from ultra pure water and method of use

Country Status (7)

Country Link
US (1) US11241657B2 (en)
EP (1) EP3824992A1 (en)
JP (1) JP7098852B2 (en)
KR (1) KR102449890B1 (en)
CN (1) CN112830549B (en)
SG (1) SG10202011496QA (en)
TW (1) TWI780517B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD980385S1 (en) * 2021-11-03 2023-03-07 Shilin Huang Water filter
TWI805454B (en) * 2022-07-19 2023-06-11 漢岱實業股份有限公司 Preparation method of asymmetric porous filter membrane

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU529368B2 (en) 1978-05-15 1983-06-02 Pall Corporation Preparing polyamide membrane filter media and product
US4629563B1 (en) 1980-03-14 1997-06-03 Memtec North America Asymmetric membranes
US4774039A (en) 1980-03-14 1988-09-27 Brunswick Corporation Dispersing casting of integral skinned highly asymmetric polymer membranes
US4673504A (en) 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
US4704324A (en) 1985-04-03 1987-11-03 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4925572A (en) 1987-10-20 1990-05-15 Pall Corporation Device and method for depletion of the leukocyte content of blood and blood components
US5152905A (en) 1989-09-12 1992-10-06 Pall Corporation Method for processing blood for human transfusion
US5188734A (en) 1991-03-26 1993-02-23 Memtec America Corporation Ultraporous and microporous integral membranes
US5171445A (en) 1991-03-26 1992-12-15 Memtec America Corporation Ultraporous and microporous membranes and method of making membranes
US5443743A (en) 1991-09-11 1995-08-22 Pall Corporation Gas plasma treated porous medium and method of separation using same
CA2083075A1 (en) 1992-06-10 1993-12-11 Vlado I. Matkovich System for treating transition zone material
US5543047A (en) 1992-11-06 1996-08-06 Pall Corporation Filter with over-laid pleats in intimate contact
US5531893A (en) 1993-02-12 1996-07-02 Gelman Sciences Inc. Inter-penetrating network charge modified microporous membrane
ATE208653T1 (en) 1994-03-04 2001-11-15 Usf Filtration & Separations LARGE-PORED MEMBRANE MADE OF SYNTHETIC POLYMERS
WO1996003194A1 (en) 1994-07-28 1996-02-08 Pall Corporation Fibrous web and process of preparing same
ES2259947T3 (en) 1996-07-08 2006-11-01 Pall Corporation POLYMER MEMBRANE WITH POSITIVE LOAD.
US6045899A (en) 1996-12-12 2000-04-04 Usf Filtration & Separations Group, Inc. Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters
US5886059A (en) 1997-07-08 1999-03-23 Memtec America Corporation Highly asymmetric polyethersulfone filtration membranes
US6602414B2 (en) 2000-03-30 2003-08-05 Formulations Pro Molecule separation device and method combining multiple filtration media
EP1710011A1 (en) * 2005-04-07 2006-10-11 Gambro Lundia AB Filtration membrane
JP5204384B2 (en) 2006-05-19 2013-06-05 富士フイルム株式会社 Crystalline polymer microporous membrane, method for producing the same, and filter for filtration
JP2008272753A (en) 2007-04-27 2008-11-13 Pall Corp Filter cartridge
JP5054745B2 (en) 2009-09-15 2012-10-24 富士フイルム株式会社 Crystalline polymer microporous membrane, method for producing the same, and filter for filtration
US8840791B2 (en) * 2011-09-01 2014-09-23 Pall Corporation Multilayer microfiltration membrane
CN105263610A (en) 2013-03-11 2016-01-20 圣母大学 Multiblock copolymers and methods of use
US20150190760A1 (en) * 2014-01-06 2015-07-09 Pall Corporation Membrane with plurality of charges

Also Published As

Publication number Publication date
EP3824992A1 (en) 2021-05-26
JP2021098192A (en) 2021-07-01
KR20210063252A (en) 2021-06-01
TW202124289A (en) 2021-07-01
CN112830549B (en) 2022-11-15
TWI780517B (en) 2022-10-11
US20210154621A1 (en) 2021-05-27
US11241657B2 (en) 2022-02-08
KR102449890B1 (en) 2022-09-30
JP7098852B2 (en) 2022-07-12
CN112830549A (en) 2021-05-25

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