GB2248057A - Offshore aerated sewage station - Google Patents
Offshore aerated sewage station Download PDFInfo
- Publication number
- GB2248057A GB2248057A GB9020862A GB9020862A GB2248057A GB 2248057 A GB2248057 A GB 2248057A GB 9020862 A GB9020862 A GB 9020862A GB 9020862 A GB9020862 A GB 9020862A GB 2248057 A GB2248057 A GB 2248057A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sewage
- tanks
- oxygen
- sea
- tank
- 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.)
- Granted
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
-
- 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
-
- 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
- C02F3/20—Activated sludge processes using diffusers
-
- 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
Because of the high cost & nuisance factor of building new sewage plants it is proposed that concrete or stool decomposition tanks be placed off shore at the end of sewage outfalls. These structures to be built or scuttled on to the sea-bed in much the same way as the mulberry harbour used in the 1945 "D" Day landings of the last war. To increase the speed of decomposition in the sewage slurry it is proposed to lay air/oxygen bleed pipes 2, which bubble air/oxygen into the sewage slurry. Clarified water would rise to the surface & be syphoned into further aerated clarification tanks or discharged into the sea. <IMAGE>
Description
MARINE SEWAGE STATION
There is a vital demand for sewage treatment around the coast where the effects of polution are increasing to an unnacceptable degree. Local Authorities are not treating this problem with any degree of urgency and because of the cost factor will not do so until forced to do so by law or pressure of local opinion.
Considering the cost problem large tracts of land are needed.
Expensive equipment or decomposition tanks are needed.
Objections to any new structures are fierce because of the smells.
It is proposed that large decomposition tanks be built 5-10 miles off shore fed by steel or plastic piping (to carry raw sewage).
The decomposition of raw sewage is created by beneficial bacteria destroying harmful bacteria. This can be accelerated and promoted by adding air or oxygen to the slurry.
It is proposed that oxygen or air be added to the decomposition tank by one or all of several methods.
Compressed air or oxygen pumped from compressors on land or on the structure into small bleed pipes.
Electrolysis of the water in the D-tank creating oxygen and hydrogen on the anodes and cathodes.
Large pistons operated by wave motion pumping compressed air into the aerate pipes. Liquid air or oxygen delivered by boat or insulated pipework to the D-tanks.
It is proposed that the D-tanks be constructed of steel or re-inforced concrete built in sections. Floated to a flat level sea-bed in about 40'-50 of water.
The prefabricated units would be assembled to-gether & BR< scuttled onto the sea floor. In much the same way as the mulberry harbour used in 1945. For the "D" Day landings.
On competion of assembly slurry & air/oxygen would be pumped in & the salt water in the tank displaced.
As the process of purification begins the clean water would rise to the surface & can be discharged into the sea.
Greater efficiency might be obtained by constructing a series of inner tanks all aerated & each syphoning into the next tank, the effluent beccoming progessively cleaner.
There would be a build-up of sludge in the D tank over a period of time. This could be sucked up into a tanker & BR< dumped in deep water.
Claims (1)
- CLAIMA concrete, steel or plastic tank or series of connected tanks built on or floated out & scuttled at the end of a sewage outfall these tanks to be aerated by oxygen or air fed from small bore "bleed" pipes laid criss-cross or laterally on the tank bottam.After the tank has filled with sewage slurry & aeration begins clarified water rises & is syphoned off for further clarification or discharge into the sea.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9020862A GB2248057B (en) | 1990-09-22 | 1990-09-22 | Marine sewage station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9020862A GB2248057B (en) | 1990-09-22 | 1990-09-22 | Marine sewage station |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9020862D0 GB9020862D0 (en) | 1990-11-07 |
GB2248057A true GB2248057A (en) | 1992-03-25 |
GB2248057B GB2248057B (en) | 1994-06-15 |
Family
ID=10682723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9020862A Expired - Fee Related GB2248057B (en) | 1990-09-22 | 1990-09-22 | Marine sewage station |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2248057B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002055442A1 (en) * | 2001-01-10 | 2002-07-18 | Consiglio Nazionale Delle Ricerche | A process and apparatus for submerged biodepuration of effluents disposed of in the sea |
NL1029693C2 (en) * | 2005-08-09 | 2007-02-12 | Arjan Hemmink | Wastewater treatment device for houseboats comprises a wastewater purification unit mounted in a heavy floating container |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1358356A (en) * | 1971-09-07 | 1974-07-03 | Aldag W | Purifying sewage and other liquids |
GB1409926A (en) * | 1972-11-21 | 1975-10-15 | Castell W G | Means and method for disposal of effluents |
GB1588994A (en) * | 1977-06-20 | 1981-05-07 | Stamicarbon | Biological purification of waste water |
JPS6054789A (en) * | 1983-09-05 | 1985-03-29 | Tokyu Constr Co Ltd | Constructing method of septic tank |
EP0165328A1 (en) * | 1984-06-19 | 1985-12-27 | Intekta S.A. | Large-scale waste water treatment plant |
JPH01180289A (en) * | 1988-01-11 | 1989-07-18 | Sumitomo Heavy Ind Ltd | Sewage treating apparatus on sea surface |
-
1990
- 1990-09-22 GB GB9020862A patent/GB2248057B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1358356A (en) * | 1971-09-07 | 1974-07-03 | Aldag W | Purifying sewage and other liquids |
GB1409926A (en) * | 1972-11-21 | 1975-10-15 | Castell W G | Means and method for disposal of effluents |
GB1588994A (en) * | 1977-06-20 | 1981-05-07 | Stamicarbon | Biological purification of waste water |
JPS6054789A (en) * | 1983-09-05 | 1985-03-29 | Tokyu Constr Co Ltd | Constructing method of septic tank |
EP0165328A1 (en) * | 1984-06-19 | 1985-12-27 | Intekta S.A. | Large-scale waste water treatment plant |
JPH01180289A (en) * | 1988-01-11 | 1989-07-18 | Sumitomo Heavy Ind Ltd | Sewage treating apparatus on sea surface |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002055442A1 (en) * | 2001-01-10 | 2002-07-18 | Consiglio Nazionale Delle Ricerche | A process and apparatus for submerged biodepuration of effluents disposed of in the sea |
US6821423B2 (en) | 2001-01-10 | 2004-11-23 | Consiglio Nazionale Delle Ricerche | Process and apparatus for submerged biodepuration of effluents disposed of in the sea |
NL1029693C2 (en) * | 2005-08-09 | 2007-02-12 | Arjan Hemmink | Wastewater treatment device for houseboats comprises a wastewater purification unit mounted in a heavy floating container |
Also Published As
Publication number | Publication date |
---|---|
GB2248057B (en) | 1994-06-15 |
GB9020862D0 (en) | 1990-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950922 |