GB2261874B - Apparatus and method for filtering - Google Patents

Apparatus and method for filtering

Info

Publication number
GB2261874B
GB2261874B GB9125092A GB9125092A GB2261874B GB 2261874 B GB2261874 B GB 2261874B GB 9125092 A GB9125092 A GB 9125092A GB 9125092 A GB9125092 A GB 9125092A GB 2261874 B GB2261874 B GB 2261874B
Authority
GB
United Kingdom
Prior art keywords
filtering
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
GB9125092A
Other versions
GB9125092D0 (en
GB2261874A (en
Inventor
David Houghton
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9125092A priority Critical patent/GB2261874B/en
Publication of GB9125092D0 publication Critical patent/GB9125092D0/en
Publication of GB2261874A publication Critical patent/GB2261874A/en
Application granted granted Critical
Publication of GB2261874B publication Critical patent/GB2261874B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
    • 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
    • C02F1/4606—Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
    • 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
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • 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
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/163—Nitrates
    • 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
    • C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
    • 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
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/4613—Inversing polarity
    • 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
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/4615—Time
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
GB9125092A 1991-11-26 1991-11-26 Apparatus and method for filtering Expired - Fee Related GB2261874B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9125092A GB2261874B (en) 1991-11-26 1991-11-26 Apparatus and method for filtering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9125092A GB2261874B (en) 1991-11-26 1991-11-26 Apparatus and method for filtering

Publications (3)

Publication Number Publication Date
GB9125092D0 GB9125092D0 (en) 1992-01-22
GB2261874A GB2261874A (en) 1993-06-02
GB2261874B true GB2261874B (en) 1995-11-22

Family

ID=10705247

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9125092A Expired - Fee Related GB2261874B (en) 1991-11-26 1991-11-26 Apparatus and method for filtering

Country Status (1)

Country Link
GB (1) GB2261874B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996003348A1 (en) * 1994-07-25 1996-02-08 Toto Ltd. Water cleaner
JP3731093B2 (en) * 1996-07-19 2006-01-05 正生 今井 Water purification method
WO1998032699A1 (en) * 1997-01-27 1998-07-30 Evgeny Gennadievich Abramov Method of electrosorption from natural water and domestic wastewater
WO2004063098A2 (en) * 2003-01-10 2004-07-29 Tersano Inc. Pulsed electric field sanitization system and system components

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1164416A (en) * 1967-03-08 1969-09-17 Metallgesellschaft Ag Filtration Apparatus
GB1271007A (en) * 1968-12-17 1972-04-19 Metallgesellschaft Ag Filtration and adsorption apparatus
GB1524581A (en) * 1975-05-30 1978-09-13 Pica Soc Filters based on active carbon
US4859386A (en) * 1986-04-07 1989-08-22 Amway Corporation Method of making a water filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1164416A (en) * 1967-03-08 1969-09-17 Metallgesellschaft Ag Filtration Apparatus
GB1271007A (en) * 1968-12-17 1972-04-19 Metallgesellschaft Ag Filtration and adsorption apparatus
GB1524581A (en) * 1975-05-30 1978-09-13 Pica Soc Filters based on active carbon
US4859386A (en) * 1986-04-07 1989-08-22 Amway Corporation Method of making a water filter

Also Published As

Publication number Publication date
GB9125092D0 (en) 1992-01-22
GB2261874A (en) 1993-06-02

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Legal Events

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

Effective date: 20061126