GB2022437B - Water treatment unit - Google Patents

Water treatment unit

Info

Publication number: GB2022437B
Authority: GB; United Kingdom
Prior art keywords: water treatment; treatment unit; unit; water; treatment
Prior art date: 1978-05-04
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

Application number

GB7919659A

Other versions

GB2022437A (en

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.)

BIWATER SHELLABEAR Ltd

Original Assignee

BIWATER SHELLABEAR 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.)

1978-05-04

Filing date

1979-06-06

Publication date

1982-05-06

1979-06-06 Application filed by BIWATER SHELLABEAR Ltd filed Critical BIWATER SHELLABEAR Ltd

1979-06-06 Priority to GB7919659A priority Critical patent/GB2022437B/en

1979-12-19 Publication of GB2022437A publication Critical patent/GB2022437A/en

1982-05-06 Application granted granted Critical

1982-05-06 Publication of GB2022437B publication Critical patent/GB2022437B/en

Status Expired legal-status Critical Current

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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/087—Regeneration of the filter using gas bubbles, e.g. air
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General 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)
Separation Of Suspended Particles By Flocculating Agents (AREA)

GB7919659A 1978-05-04 1979-06-06 Water treatment unit Expired GB2022437B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB7919659A GB2022437B (en)	1978-05-04	1979-06-06	Water treatment unit

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1771778		1978-05-04
GB7919659A GB2022437B (en)	1978-05-04	1979-06-06	Water treatment unit

Publications (2)

Publication Number	Publication Date
GB2022437A GB2022437A (en)	1979-12-19
GB2022437B true GB2022437B (en)	1982-05-06

Family

ID=26252881

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7919659A Expired GB2022437B (en)	1978-05-04	1979-06-06	Water treatment unit

Country Status (1)

Country	Link
GB (1)	GB2022437B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2609412B1 (en) *	1987-01-09	1989-06-23	Moreau Jean Louis	RECOVERY OF PRINTING CLEANING SOLVENTS
KR900006437B1 (en) *	1987-09-12	1990-08-31	신경식	Method and apparatus for reprocessing tap water

1979
- 1979-06-06 GB GB7919659A patent/GB2022437B/en not_active Expired

Also Published As

Publication number	Publication date
GB2022437A (en)	1979-12-19

Publication	Publication Date	Title
GB2014555B (en)	1982-09-02	Water treatment
GB2014125B (en)	1982-09-02	Waste water treatment
JPS5592437A (en)	1980-07-12	Bidet water treatment apparatus
GB1543464A (en)	1979-04-04	Waste water treatment
DE3261833D1 (en)	1985-02-21	Water treatment
DE2961177D1 (en)	1982-01-14	Float treatment apparatus
GB2026060B (en)	1982-07-07	Well treatment
ZA773557B (en)	1979-01-31	Water treatment
GB2013172B (en)	1982-10-20	Waste water treatment
GB2070456B (en)	1984-06-13	Water treatment apparatus
GB2103596B (en)	1985-09-04	Water treatment unit
JPS5471854A (en)	1979-06-08	Waste water treatment
GB2022437B (en)	1982-05-06	Water treatment unit
JPS54136576A (en)	1979-10-23	Solution treatment
JPS5560176A (en)	1980-05-07	Water heater
JPS54132359A (en)	1979-10-15	Waste water treatment device
MY8400006A (en)	1984-12-31	Water treatment unit
IL53293A (en)	1980-11-30	Waste water treatment
JPS54110933A (en)	1979-08-30	Treatment by rapid water washing
JPS54121282A (en)	1979-09-20	Water treatment
JPS54137490A (en)	1979-10-25	Adsorbent for water treatment
ZM3979A1 (en)	1980-06-20	Water treatment unit
ZA782234B (en)	1979-06-27	Improvements in the treatment of water
KR790000756Y1 (en)	1979-06-11	Water sterilizer by physical treatment
AU5341379A (en)	1980-07-10	Water treatment

Legal Events

Date	Code	Title	Description
1999-06-30	PE20	Patent expired after termination of 20 years	Effective date: 19990605