IL42673A - Electric device for the treatment of a gaseous fluid - Google Patents
Electric device for the treatment of a gaseous fluidInfo
- Publication number
- IL42673A IL42673A IL42673A IL4267373A IL42673A IL 42673 A IL42673 A IL 42673A IL 42673 A IL42673 A IL 42673A IL 4267373 A IL4267373 A IL 4267373A IL 42673 A IL42673 A IL 42673A
- Authority
- IL
- Israel
- Prior art keywords
- electric device
- electrode
- treatment
- gaseous fluid
- electric
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S422/00—Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
- Y10S422/906—Plasma or ion generation means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Electrostatic Separation (AREA)
- Treating Waste Gases (AREA)
- Elimination Of Static Electricity (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Claims (20)
1. An electric device for the treatment of a gaseous fluid by the setting up of a zone with different electric potentials in a treatment space, comprising at least one treatment element to be disposed in the gaseous fluid to be treated, the treatment element comprising a first electrode, which in use of the device is to be connected to a source of positive unidirectional pulses of electric current, a solid dielectric material so disposed about the first electrode as to insulate electrically at least one face of the first electrode from the gaseous fluid to be treated, and a second, grid-like, electrode disposed so ae to cover at least partially the dielectric material on the side to be exposed to the gaseous fluid to be treated. i
2. An electric device according to Claim 1, wherein the second electrode covers completely the side of the dielectric material to be exposed to the gaseous fluid to be treated.
3. An electric device according to Claim 1 or 2, wherein the first electrode comprises a continuous plate.
4. An electric device according to Claim 3, wherein the continuous plate has a plurality of projections uniformly distributed over the entire area of at least that face which faces towards the second electrode.
5. An electric device according to Claim 4, wherein each projection of the plate coincides with a hole of the grid-like second electrode.
6. An electric device according to any one of Claims 1 to 5, wherein the dielectric material is in the form of an insulating plate or layer having substantially pin-point zones or zones of small area which are such as to provide a greater capacitance per unit area between the opposite faces of the plate than the capacitance per unit area between the faces of the remainder of the insulating plate and are uniformly distributed over the entire area of the insulating plate.
7. An electric device according to Claim 6, wherein each zone coincides with a hole of the grid-like second electrode.
8. An electric device according to any one of Claims 1 to 7, wherein the first electrode, the insulating plate or layer and the second electrode are in contact with each other.
9. An electric device according to any one of Claims 1 to 8, wherein the dielectric material comprises a thermoplastics material.
10. An electric device according to any one of Claims 1 to 9, wherein the second electrode is connected to earth.
11. An electric device according to Claim 10, wherein an adjustable resistance is connected between earth and the second electrode.
12. An electric device according to Claim 3 or any one of the preceding Claims when appended thereto, wherein the continuous plate forming the first electrode is surrounded by the treatment space and is covered on both its faces by the dielectric material which is itself covered by a corresponding grid-like second electrcda, the second electrodes being connected electrically to one another.
13. An electric device according to Claim 12 when appended to Claim 4, wherein the projections of the plate forming the first electrode comprise pushed-back or stamped-out portions of small cross-section projecting relative to a median plane of the plate on either side of this plane.
14. An electric device according to one of Claims 1 to 13, wherein a discharge resistor is connected between the first and second electrodes.
15. An electric device according to any one of Claims 1 to 14, further comprising a generator of unidirectional electric pulses, the generator comprising a step-up transformer, the primary winding of which is connected to a source of alternating voltage, and means for rectifying the alternating voltage connected to the secondary winding of the transformer.
16. An electric device according to Claim 15, wherein the rectifying means are such as to provide half-wave rectification of the alternating voltage.
17. Apparatus for the electric treatment of a gaseous fluid in a building, comprising a plurality of juxtaposed treatment elements arranged in parallel with one another and delimiting between them a treatment space where the gaseous fluid to be treated circulates, each treatment element consisting of an electric device according to any one of Claims 1 to 14.
18. Apparatus according to Claim 17, further comprising a generator of unidirectional electric pulses, the generator including a transformer having two secondary windings wound in phase opposition and which have a common terminal connected to earth, and a diode having its anode connected to the other terminal of each secondary winding, and wherein a series of treatment elements is connected in parallel to the other terminal of each secondary coil.
19. An electric device for the treatment of a gaseous fluid, constructed and arranged to operate substantially as hereinbefore described with reference to Figure 1, 2 or 3 of the accompanying drawings.
20. A process for the treatment of a gaseous fluid substantially as hereinbefore described with reference to the accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7226934A FR2193651B1 (en) | 1972-07-26 | 1972-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL42673A0 IL42673A0 (en) | 1973-10-25 |
| IL42673A true IL42673A (en) | 1976-09-30 |
Family
ID=9102393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL42673A IL42673A (en) | 1972-07-26 | 1973-07-05 | Electric device for the treatment of a gaseous fluid |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US3898468A (en) |
| JP (1) | JPS4952368A (en) |
| AR (1) | AR195243A1 (en) |
| AT (1) | ATA624173A (en) |
| BE (1) | BE801982A (en) |
| BR (1) | BR7305581D0 (en) |
| CA (1) | CA1009979A (en) |
| CH (1) | CH578158A5 (en) |
| CS (1) | CS181724B2 (en) |
| DD (1) | DD108466A5 (en) |
| DE (1) | DE2333855A1 (en) |
| ES (1) | ES417248A1 (en) |
| FR (1) | FR2193651B1 (en) |
| GB (1) | GB1439014A (en) |
| IE (1) | IE37869B1 (en) |
| IL (1) | IL42673A (en) |
| IT (1) | IT991846B (en) |
| LU (1) | LU68087A1 (en) |
| NL (1) | NL7310405A (en) |
| PL (1) | PL90161B1 (en) |
| SE (1) | SE400361B (en) |
| SU (1) | SU691117A3 (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3765027A (en) * | 1971-12-30 | 1973-10-09 | Xerox Corp | Ion lens recording system |
| USD246600S (en) * | 1975-05-06 | 1977-12-06 | Japan Medical Supply Co., Ltd. | Test tube |
| US4077782A (en) * | 1976-10-06 | 1978-03-07 | Maxwell Laboratories, Inc. | Collector for electrostatic precipitator apparatus |
| US4283291A (en) * | 1977-01-24 | 1981-08-11 | Union Carbide Corporation | Corona reaction method and apparatus |
| DE3039639A1 (en) * | 1980-10-21 | 1982-06-03 | Hermann Dr.-Ing.Dipl.-Ing. 7500 Karlsruhe Krug | Collecting plate system in dust filter - permits spray electrodes to operate at max. possible potential |
| US4391773A (en) * | 1981-06-08 | 1983-07-05 | Flanagan G Patrick | Method of purifying air and negative field generator |
| FR2558019B1 (en) * | 1983-09-29 | 1989-06-02 | Dominique Bacot | HIGH VOLTAGE GENERATOR FOR ELECTROSTATIC DUST COLLECTOR, OR THE LIKE, AND ELECTROSTATIC DUST COLLECTOR PROVIDED WITH SUCH A GENERATOR |
| US4670026A (en) * | 1986-02-18 | 1987-06-02 | Desert Technology, Inc. | Method and apparatus for electrostatic extraction of droplets from gaseous medium |
| US4818355A (en) * | 1987-04-27 | 1989-04-04 | Westinghouse Electric Corp. | Method and apparatus for removing polycyclic aromatic hydrocarbons from the exhaust of a municipal waste incinerator |
| FR2646099B1 (en) * | 1989-04-21 | 1991-06-28 | Rech Geolog Miniere | PROCESS FOR THE ELECTROCHEMICAL TREATMENT OF A GAS CONTAINING HYDROGEN SULFIDE |
| US5284556A (en) * | 1991-05-01 | 1994-02-08 | Plasmachines, Inc. | Exhaust treatment system and method |
| DE4231581A1 (en) * | 1992-09-21 | 1994-03-24 | Siemens Ag | Process for the plasma-chemical decomposition and / or destruction of pollutants, in particular for the exhaust gas purification of internal combustion engines or other machines operated with fossil fuel, and associated device |
| US6146599A (en) * | 1999-02-24 | 2000-11-14 | Seagate Technology Llc | Dielectric barrier discharge system and method for decomposing hazardous compounds in fluids |
| US6562386B2 (en) | 2001-05-07 | 2003-05-13 | Regents Of The University Of Minnesota | Method and apparatus for non-thermal pasteurization |
| US7011790B2 (en) * | 2001-05-07 | 2006-03-14 | Regents Of The University Of Minnesota | Non-thermal disinfection of biological fluids using non-thermal plasma |
| US6911225B2 (en) * | 2001-05-07 | 2005-06-28 | Regents Of The University Of Minnesota | Method and apparatus for non-thermal pasteurization of living-mammal-instillable liquids |
| US20030030374A1 (en) * | 2001-08-03 | 2003-02-13 | Deepak Pai | Dielectric barrier discharge plasma reactor cell |
| US7931811B2 (en) * | 2006-10-27 | 2011-04-26 | Regents Of The University Of Minnesota | Dielectric barrier reactor having concentrated electric field |
| RU2586336C1 (en) * | 2015-04-14 | 2016-06-10 | Алексей Алексеевич Палей | Device for electrical cleaning of gases |
| EP3193417A1 (en) * | 2016-01-12 | 2017-07-19 | Naturion Pte. Ltd. | Ion generator device |
| CN105413867A (en) * | 2016-01-15 | 2016-03-23 | 北京天宫环境科技（重庆）有限公司 | Electrostatic dust collection module and purifying device provided with same |
| JP7198803B2 (en) * | 2017-07-27 | 2023-01-04 | ナチュリオン ピーティーイー．リミテッド | ion generator |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US871652A (en) * | 1906-08-23 | 1907-11-19 | Frank A Ward | Air-purifier. |
| US1284042A (en) * | 1916-12-23 | 1918-11-05 | John Graeme Balsillie | Means and apparatus for depositing and collecting aqueous particles from the atmosphere and collecting rain and dew. |
| US1396222A (en) * | 1919-04-25 | 1921-11-08 | Ozone Company | Ozonizer |
| US1725661A (en) * | 1927-08-16 | 1929-08-20 | Oswin C Moll | Ozonator |
| US2085735A (en) * | 1930-12-04 | 1937-07-06 | Internat Precipitation Co | Apparatus for effecting ionization in gases |
| US2085758A (en) * | 1931-06-13 | 1937-07-06 | Internat Precipitation Co | Process and means for production of surface ionization in insulator bodies |
| US2043217A (en) * | 1933-05-04 | 1936-06-02 | Carrier Engineering Corp | Method and means for controlling the ionic content of air |
| US2049561A (en) * | 1933-06-07 | 1936-08-04 | Int Precipitation Co | Method and apparatus for electrical treatment of gases or liquids |
| US2290376A (en) * | 1940-01-27 | 1942-07-21 | Milton Kohn | Ozonizing apparatus |
| US2440455A (en) * | 1945-06-11 | 1948-04-27 | Research Corp | Charging suspended particles |
| US2639781A (en) * | 1948-12-10 | 1953-05-26 | Air Maze Corp | Electrostatic filter |
| US2575664A (en) * | 1949-07-29 | 1951-11-20 | Andrew C James | Ozone generator |
| US2726731A (en) * | 1951-08-29 | 1955-12-13 | Air Maze Corp | Rigid charging electrode for electrostatic filter |
| US2860723A (en) * | 1954-08-23 | 1958-11-18 | Research Corp | Electrical precipitators and energizing circuit therefor |
| US2789657A (en) * | 1954-11-30 | 1957-04-23 | Westinghouse Electric Corp | Electrostatic precipitators |
| US3417302A (en) * | 1962-02-09 | 1968-12-17 | Holger George Lueder | Apparatus for the production of unipolar ions in the air of a room |
| US3438136A (en) * | 1965-11-01 | 1969-04-15 | Jack E Raymond | Ozone producing laundry freshening units |
| GB1227954A (en) * | 1967-05-12 | 1971-04-15 | ||
| US3653185A (en) * | 1968-10-08 | 1972-04-04 | Resource Control | Airborne contaminant removal by electro-photoionization |
-
1972
- 1972-07-26 FR FR7226934A patent/FR2193651B1/fr not_active Expired
-
1973
- 1973-07-03 IE IE1106/73A patent/IE37869B1/en unknown
- 1973-07-03 US US376162A patent/US3898468A/en not_active Expired - Lifetime
- 1973-07-03 DE DE19732333855 patent/DE2333855A1/en active Pending
- 1973-07-05 IL IL42673A patent/IL42673A/en unknown
- 1973-07-06 BE BE2052901A patent/BE801982A/en unknown
- 1973-07-11 GB GB3310373A patent/GB1439014A/en not_active Expired
- 1973-07-16 AT AT624173A patent/ATA624173A/en not_active Application Discontinuation
- 1973-07-19 CH CH1056273A patent/CH578158A5/xx not_active IP Right Cessation
- 1973-07-20 AR AR249191A patent/AR195243A1/en active
- 1973-07-24 LU LU68087A patent/LU68087A1/xx unknown
- 1973-07-24 IT IT69217/73A patent/IT991846B/en active
- 1973-07-24 ES ES417248A patent/ES417248A1/en not_active Expired
- 1973-07-24 BR BR5581/73A patent/BR7305581D0/en unknown
- 1973-07-24 DD DD172480A patent/DD108466A5/xx unknown
- 1973-07-25 PL PL1973164293A patent/PL90161B1/pl unknown
- 1973-07-25 SU SU731949664A patent/SU691117A3/en active
- 1973-07-25 CA CA177,317A patent/CA1009979A/en not_active Expired
- 1973-07-25 SE SE7310332A patent/SE400361B/en unknown
- 1973-07-26 CS CS7300005371A patent/CS181724B2/en unknown
- 1973-07-26 NL NL7310405A patent/NL7310405A/xx not_active Application Discontinuation
- 1973-07-26 JP JP48083687A patent/JPS4952368A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IE37869L (en) | 1974-01-26 |
| NL7310405A (en) | 1974-01-29 |
| FR2193651A1 (en) | 1974-02-22 |
| IL42673A0 (en) | 1973-10-25 |
| PL90161B1 (en) | 1977-01-31 |
| US3898468A (en) | 1975-08-05 |
| GB1439014A (en) | 1976-06-09 |
| CS181724B2 (en) | 1978-03-31 |
| LU68087A1 (en) | 1973-09-26 |
| ATA624173A (en) | 1980-04-15 |
| DE2333855A1 (en) | 1974-02-07 |
| SE400361B (en) | 1978-03-20 |
| CH578158A5 (en) | 1976-07-30 |
| FR2193651B1 (en) | 1976-01-16 |
| ES417248A1 (en) | 1976-02-16 |
| IE37869B1 (en) | 1977-10-26 |
| BE801982A (en) | 1973-11-05 |
| DD108466A5 (en) | 1974-09-20 |
| IT991846B (en) | 1975-08-30 |
| JPS4952368A (en) | 1974-05-21 |
| BR7305581D0 (en) | 1974-09-10 |
| SU691117A3 (en) | 1979-10-05 |
| AR195243A1 (en) | 1973-09-19 |
| CA1009979A (en) | 1977-05-10 |
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