GB2274281B - Treatment of water,sewage and like waste liquids - Google Patents

Treatment of water,sewage and like waste liquids

Info

Publication number
GB2274281B
GB2274281B GB9321129A GB9321129A GB2274281B GB 2274281 B GB2274281 B GB 2274281B GB 9321129 A GB9321129 A GB 9321129A GB 9321129 A GB9321129 A GB 9321129A GB 2274281 B GB2274281 B GB 2274281B
Authority
GB
United Kingdom
Prior art keywords
sewage
treatment
water
waste liquids
liquids
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
GB9321129A
Other versions
GB2274281A (en
GB9321129D0 (en
Inventor
John Andrew Hobson
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.)
WRC PLC
Original Assignee
WRC PLC
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 WRC PLC filed Critical WRC PLC
Publication of GB9321129D0 publication Critical patent/GB9321129D0/en
Priority to US08/180,994 priority Critical patent/US5494581A/en
Priority to EP94300290A priority patent/EP0608088A1/en
Publication of GB2274281A publication Critical patent/GB2274281A/en
Application granted granted Critical
Publication of GB2274281B publication Critical patent/GB2274281B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1284—Mixing devices
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/06—Aerobic processes using submerged filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/101—Arranged-type packing, e.g. stacks, arrays
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/0006—Devices for producing waves in swimming pools
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Biological Treatment Of Waste Water (AREA)
GB9321129A 1993-01-13 1993-10-13 Treatment of water,sewage and like waste liquids Expired - Fee Related GB2274281B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/180,994 US5494581A (en) 1993-01-13 1994-01-14 Treatment of water, sewage and like waste liquids
EP94300290A EP0608088A1 (en) 1993-01-18 1994-01-17 Treatment of water, sewage and like waste liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9300886A GB9300886D0 (en) 1993-01-18 1993-01-18 Treatment of sewage and like waste liquids

Publications (3)

Publication Number Publication Date
GB9321129D0 GB9321129D0 (en) 1993-12-01
GB2274281A GB2274281A (en) 1994-07-20
GB2274281B true GB2274281B (en) 1996-03-06

Family

ID=10728872

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9300886A Pending GB9300886D0 (en) 1993-01-13 1993-01-18 Treatment of sewage and like waste liquids
GB9321129A Expired - Fee Related GB2274281B (en) 1993-01-13 1993-10-13 Treatment of water,sewage and like waste liquids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9300886A Pending GB9300886D0 (en) 1993-01-13 1993-01-18 Treatment of sewage and like waste liquids

Country Status (1)

Country Link
GB (2) GB9300886D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103332787A (en) * 2013-06-25 2013-10-02 李泽 Method and device for treating river surge water

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126333A (en) * 1964-03-24 Step a
GB2195624A (en) * 1986-08-14 1988-04-13 Jensen G H Ltd Sewage treatment plant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126333A (en) * 1964-03-24 Step a
GB2195624A (en) * 1986-08-14 1988-04-13 Jensen G H Ltd Sewage treatment plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103332787A (en) * 2013-06-25 2013-10-02 李泽 Method and device for treating river surge water
CN103332787B (en) * 2013-06-25 2014-08-20 李泽 Method and device for treating river surge water

Also Published As

Publication number Publication date
GB2274281A (en) 1994-07-20
GB9321129D0 (en) 1993-12-01
GB9300886D0 (en) 1993-03-10

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Legal Events

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

Effective date: 19991013