GB1331308A - Treatment of aqueous liquids - Google Patents
Treatment of aqueous liquidsInfo
- Publication number
- GB1331308A GB1331308A GB5132170A GB5132170A GB1331308A GB 1331308 A GB1331308 A GB 1331308A GB 5132170 A GB5132170 A GB 5132170A GB 5132170 A GB5132170 A GB 5132170A GB 1331308 A GB1331308 A GB 1331308A
- Authority
- GB
- United Kingdom
- Prior art keywords
- porous mass
- liquid
- flocculates
- aqueous liquid
- electrodes
- 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
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/06—Processing
- G21F9/10—Processing by flocculation
-
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
1331308 Electrolysing and then filtering liquid to purify it SOC D'ETUDES ET DE DIFFUSION DE PROCEDES ET BREVETS S A 28 Oct 1970 [28 Oct 1969] 51321/70 Heading C7B [Also in Division C1] A process for purifying an aqueous liquid comprises passing the liquid between metal electrodes, continuously subjecting the metal electrodes to an electric current to uniformly scatter ions through the liquid thus causing the formation of flocculates with hydroxyl ions in the liquid, retaining the flocculates in the form of a porous mass, continuously circulating the aqueous liquid through the porous mass whereby further flocculates contained therein are deposited and retained in the porous mass, applying sufficient current to the electrodes to provide a metal ion emission at a rate such that a number of free metal ions pass through the porous mass with the aqueous liquid, and washing the porous mass of flocculates when a determined threshold of pressure drop for the aqueous liquid passing through the porous mass has been reached whereby the liquid is purified by the action of the flocculates continuously activated by the emission of metal ions, free metal ions passing through the porous mass further providing sterilization properties to the purified aqueous liquid. The flocculates retained as a porous mass will be retained in a preformed filtering mass through which the aqueous liquid is circulated. The process may be carried out in an apparatus of the type shown in Fig. 1, comprising a tank 1, prefilter 3, treatment vat 6 containing metallic e.g. copper, electrodes, and a filter chamber 9 containing layers 10a, 10b of filter material. The vat 6 is shown in detail in Fig. 2 and comprises an inlet cavity 13 and an outlet cavity 14, and between these are located metal electrodes 15 and 16 connected to D.C. or A.C. supply 19. The process is particularly applicable to the decontamination of radio-active water.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6936971A FR2063717A5 (en) | 1969-10-28 | 1969-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1331308A true GB1331308A (en) | 1973-09-26 |
Family
ID=9042193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5132170A Expired GB1331308A (en) | 1969-10-28 | 1970-10-28 | Treatment of aqueous liquids |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS529616B1 (en) |
| BE (1) | BE758100A (en) |
| CH (1) | CH516324A (en) |
| DE (1) | DE2052974C2 (en) |
| ES (1) | ES384979A1 (en) |
| FR (1) | FR2063717A5 (en) |
| GB (1) | GB1331308A (en) |
| IT (1) | IT1050171B (en) |
| NL (1) | NL7015835A (en) |
| OA (1) | OA03505A (en) |
| SE (1) | SE389093B (en) |
| ZA (1) | ZA707340B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2279663A (en) * | 1993-06-30 | 1995-01-11 | Liff Ind Ltd | Electrolytic or galvanic water treatment device for reducing scale |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189323A1 (en) * | 1975-01-20 | 1974-01-25 | Inst Gornog Sib | Tap water purification - by metal hydroxide flocculants from electrolytic cell forming second filter layer |
| DE2910314C2 (en) * | 1979-03-16 | 1983-11-17 | Battelle-Institut E.V., 6000 Frankfurt | Method and device for the separation of suspended particles from radioactive solutions |
| FR2456371A1 (en) | 1979-05-07 | 1980-12-05 | Commissariat Energie Atomique | PROCESS FOR RUTHENIUM DECONTAMINATION OF LIQUID RADIOACTIVE EFFLUENTS AND DEVICE FOR CARRYING OUT SAID METHOD |
| FR2513087A1 (en) * | 1981-09-18 | 1983-03-25 | Int Marketing Conseil | Sterilising fluids esp. edible liq. such as fruit juice, milk etc. - by passage between electrodes connected to low voltage pulsed supply |
| DE3527733A1 (en) * | 1985-08-02 | 1987-02-05 | Tiesler Ekkehard | METHOD AND DEVICE FOR DISINFECTING, IN PARTICULAR WATER, AND USE OF THE METHOD AND DEVICE |
| ES2382274B1 (en) * | 2008-02-12 | 2013-04-24 | Gladepur, S.L. | LITIZATION TREATMENT SYSTEM THROUGH ELECTROCOAGULATION |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2832473A (en) * | 1952-12-03 | 1958-04-29 | Alton V Oberholtzer | Process of preparing filters and the filtration of liquids |
| FR1230728A (en) * | 1959-06-16 | 1960-09-19 | Method and device for the preparation of potable water from unsanitary raw water | |
| US3092566A (en) * | 1960-02-18 | 1963-06-04 | Water Proc & Chemical Co Ltd | Sterilization and purification apparatus |
-
0
- BE BE758100D patent/BE758100A/en not_active IP Right Cessation
-
1969
- 1969-10-28 FR FR6936971A patent/FR2063717A5/fr not_active Expired
-
1970
- 1970-10-27 OA OA54066A patent/OA03505A/en unknown
- 1970-10-28 CH CH1593770A patent/CH516324A/en not_active IP Right Cessation
- 1970-10-28 ZA ZA707340*A patent/ZA707340B/en unknown
- 1970-10-28 NL NL7015835A patent/NL7015835A/xx active Search and Examination
- 1970-10-28 JP JP45095034A patent/JPS529616B1/ja active Pending
- 1970-10-28 IT IT89534/70A patent/IT1050171B/en active
- 1970-10-28 ES ES384979A patent/ES384979A1/en not_active Expired
- 1970-10-28 DE DE2052974A patent/DE2052974C2/en not_active Expired
- 1970-10-28 SE SE7014542A patent/SE389093B/en unknown
- 1970-10-28 GB GB5132170A patent/GB1331308A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2279663A (en) * | 1993-06-30 | 1995-01-11 | Liff Ind Ltd | Electrolytic or galvanic water treatment device for reducing scale |
| GB2279663B (en) * | 1993-06-30 | 1995-11-08 | Liff Ind Ltd | Water treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CH516324A (en) | 1971-12-15 |
| SE389093B (en) | 1976-10-25 |
| DE2052974A1 (en) | 1971-05-06 |
| OA03505A (en) | 1971-03-30 |
| DE2052974C2 (en) | 1985-12-05 |
| ES384979A1 (en) | 1973-07-16 |
| NL7015835A (en) | 1971-05-03 |
| ZA707340B (en) | 1971-08-25 |
| JPS529616B1 (en) | 1977-03-17 |
| IT1050171B (en) | 1981-03-10 |
| FR2063717A5 (en) | 1971-07-09 |
| BE758100A (en) | 1971-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 414F | Notice of opposition given (sect. 14/1949) | ||
| 414A | Case decided by the comptroller ** specification amended (sect. 14/1949) | ||
| SPA | Amended specification published | ||
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |