HK1027087A1 - Water treatment device with regeneration of the treatment medium therein - Google Patents

Water treatment device with regeneration of the treatment medium therein

Info

Publication number
HK1027087A1
HK1027087A1 HK00106320A HK00106320A HK1027087A1 HK 1027087 A1 HK1027087 A1 HK 1027087A1 HK 00106320 A HK00106320 A HK 00106320A HK 00106320 A HK00106320 A HK 00106320A HK 1027087 A1 HK1027087 A1 HK 1027087A1
Authority
HK
Hong Kong
Prior art keywords
media
regeneration
water treatment
medium
water
Prior art date
Application number
HK00106320A
Other languages
English (en)
Inventor
Yiu Chau Chau
Original Assignee
Yiu Chau Chau
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 Yiu Chau Chau filed Critical Yiu Chau Chau
Publication of HK1027087A1 publication Critical patent/HK1027087A1/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
    • B01D24/008—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
    • B01D24/12—Downward filtration, the filtering material being supported by pervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/16—Valves
    • B01D2201/165—Multi-way valves
    • 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
    • C02F2201/006—Cartridges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86863—Rotary valve unit
HK00106320A 1998-10-02 2000-10-05 Water treatment device with regeneration of the treatment medium therein HK1027087A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/165,830 US6042729A (en) 1998-02-18 1998-10-02 Regeneration of water treatment media

Publications (1)

Publication Number Publication Date
HK1027087A1 true HK1027087A1 (en) 2001-01-05

Family

ID=22600656

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00106320A HK1027087A1 (en) 1998-10-02 2000-10-05 Water treatment device with regeneration of the treatment medium therein

Country Status (9)

Country Link
US (3) US6042729A (de)
EP (1) EP0992459B1 (de)
JP (1) JP2000107751A (de)
KR (1) KR100478548B1 (de)
CN (2) CN101092253B (de)
AT (1) ATE309962T1 (de)
CA (1) CA2283056C (de)
DE (1) DE69928348T2 (de)
HK (1) HK1027087A1 (de)

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Also Published As

Publication number Publication date
CN1250748A (zh) 2000-04-19
CA2283056C (en) 2007-07-10
ATE309962T1 (de) 2005-12-15
EP0992459A2 (de) 2000-04-12
CN101092253A (zh) 2007-12-26
US6231763B1 (en) 2001-05-15
JP2000107751A (ja) 2000-04-18
DE69928348D1 (de) 2005-12-22
CA2283056A1 (en) 2000-04-02
US20010009237A1 (en) 2001-07-26
DE69928348T2 (de) 2006-08-03
EP0992459B1 (de) 2005-11-16
CN100334004C (zh) 2007-08-29
KR100478548B1 (ko) 2005-03-23
US6042729A (en) 2000-03-28
KR20000028789A (ko) 2000-05-25
US6447678B2 (en) 2002-09-10
CN101092253B (zh) 2010-12-22
EP0992459A3 (de) 2000-07-12

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Legal Events

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120923