WO2011067792A8 - Water purifier - Google Patents

Water purifier Download PDF

Info

Publication number
WO2011067792A8
WO2011067792A8 PCT/IN2010/000788 IN2010000788W WO2011067792A8 WO 2011067792 A8 WO2011067792 A8 WO 2011067792A8 IN 2010000788 W IN2010000788 W IN 2010000788W WO 2011067792 A8 WO2011067792 A8 WO 2011067792A8
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
water
outlet
chamber
purifier
Prior art date
Application number
PCT/IN2010/000788
Other languages
French (fr)
Other versions
WO2011067792A2 (en
WO2011067792A3 (en
Inventor
Gautam Das
Amrita Bijankumar Dey
Ujas Prataprai Dave
Sabaleel Nandy
Original Assignee
Tata Chemicals Ltd.
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 Tata Chemicals Ltd. filed Critical Tata Chemicals Ltd.
Priority to AP2012006345A priority Critical patent/AP3354A/en
Publication of WO2011067792A2 publication Critical patent/WO2011067792A2/en
Publication of WO2011067792A3 publication Critical patent/WO2011067792A3/en
Priority to ZA2012/04290A priority patent/ZA201204290B/en
Publication of WO2011067792A8 publication Critical patent/WO2011067792A8/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
    • C02F1/001—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • B01F21/22—Dissolving using flow mixing using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/688—Devices in which the water progressively dissolves a solid compound
    • 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
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/08—Nanoparticles or nanotubes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

A gravity based water purifier is disclosed. The gravity based water purifier comprises an outer casing defining an inlet for receiving water to be purified, a recess to receive a cartridge holding a purification medium, a cavity to receive an end of life chamber, a passage connecting the cavity to the recess, and a purifier outlet. The purifier also includes a cartridge holding a purification medium defining a top and bottom surface and including a cartridge inlet for receiving water to be purified positioned proximate the bottom surface and a cartridge outlet for purified water also positioned proximate the bottom surface, the cartridge further includes an outlet passage for conveying water exiting the purification medium to the cartridge outlet. The cartridge is configured to be received in the recess such that a recess chamber is defined there between, an accumulation chamber is formed between the cartridge and the outer casing and the cartridge outlet is in fluid communication with the purifier outlet. An end of life chamber is placed in the cavity and includes an inlet in fluid communication with the accumulation chamber and an outlet in fluid communication with the recess chamber via the passage. The end of life chamber further containing at least one water soluble tablet and a plunger with a plug configured to close the inlet or the outlet of the end of life chamber when the water soluble tablet is dissolved after a predetermined amount of water passes through the water purifier, such that water entering the water purifier through the inlet in the outer casing travels through the end of life chamber to the cartridge and passes through the cartridge in a upward flow before exiting from the water purifier.
PCT/IN2010/000788 2009-12-03 2010-12-03 Water purifier WO2011067792A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AP2012006345A AP3354A (en) 2009-12-03 2010-12-03 Water purifier
ZA2012/04290A ZA201204290B (en) 2009-12-03 2012-06-12 Water purifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2807MU2009 2009-12-03
IN2807/MUM/2009 2009-12-03

Publications (3)

Publication Number Publication Date
WO2011067792A2 WO2011067792A2 (en) 2011-06-09
WO2011067792A3 WO2011067792A3 (en) 2011-08-11
WO2011067792A8 true WO2011067792A8 (en) 2012-06-28

Family

ID=44115378

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2010/000788 WO2011067792A2 (en) 2009-12-03 2010-12-03 Water purifier

Country Status (3)

Country Link
AP (1) AP3354A (en)
WO (1) WO2011067792A2 (en)
ZA (1) ZA201204290B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013051013A2 (en) * 2011-07-28 2013-04-11 Tata Consultancy Services Limited Water purification device
WO2014095344A1 (en) 2012-12-20 2014-06-26 Unilever N.V. A tablet composition for an automatic shut off mechanism
IN2013MU01369A (en) * 2013-04-12 2015-04-17 Tata Chemicals Ltd

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998228A (en) * 1990-02-09 1991-03-05 Douglas R. Eger Drinking water filter
US5562824A (en) * 1994-10-12 1996-10-08 Wtc/Ecomaster Corporation Gravity water purifier
JP2001179243A (en) * 1999-12-28 2001-07-03 Toshiba Plant Kensetsu Co Ltd Portable emergency water maker
GB2377898B (en) * 2001-07-26 2004-11-17 Soda Club Domestic water filtration system

Also Published As

Publication number Publication date
WO2011067792A2 (en) 2011-06-09
ZA201204290B (en) 2013-02-27
AP3354A (en) 2015-07-31
AP2012006345A0 (en) 2012-06-30
WO2011067792A3 (en) 2011-08-11

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