US3674196A - Centrifugal mixing and extraction apparatus - Google Patents
Centrifugal mixing and extraction apparatus Download PDFInfo
- Publication number
- US3674196A US3674196A US8320A US3674196DA US3674196A US 3674196 A US3674196 A US 3674196A US 8320 A US8320 A US 8320A US 3674196D A US3674196D A US 3674196DA US 3674196 A US3674196 A US 3674196A
- Authority
- US
- United States
- Prior art keywords
- mixing chamber
- casing
- bowl
- mixing
- impeller
- 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 - Lifetime
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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
- G21F9/12—Processing by absorption; by adsorption; by ion-exchange
- G21F9/125—Processing by absorption; by adsorption; by ion-exchange by solvent extraction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0457—Juxtaposition of mixers-settlers comprising rotating mechanisms, e.g. mixers, mixing pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/42—Clamping or holding arrangements for mounting receptacles on mixing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/57—Mixing radioactive materials, e.g. nuclear materials
Definitions
- the mixing chamber In operative position, the mixing chamber is restrained from rotation with the impeller the bowl and the shaft by means of magnets in the lower portion of the chamber and the casing, by one or more studs fixed in one of the walls thereof and axially engageable with corresponding recesses in the other, or both.
- the entire unit can simply be lifted out of the casing, e.g., by disengaging the magnets, without interrupting the extraction process.
- This invention relates to an improvement in centrifugal mix ing and extraction devices that enables the entire mixing and extraction unit to be quickly and bodily removed and replaced for servicing with a minimum of handling, and is therefore particularly suitable for mixing and extracting radioactive fluids.
- radioactive fluids When radioactive fluids are involved, e.g., when fission products or fissile materials are to be extracted, the fluid should be subject to as short a residence time as possible in order to avoid radiation damage or contamination.
- the apparatus of this invention does not require extensive mechanical disconnection and consequent danger of exposure of personnel to high radiation doses. Another advantage is that it provides an apparatus in which the impeller pump and the mixing chamber can be cleaned and/or replaced readily and without subjecting personnel to unnecessary radiation. Whether radioactive materials are processed or are not, the apparatus of the present invention has the further advantage of reducing to an absolute minimum the downtime for cleaning and replacing the moving parts of a centrifugal mixing and extraction apparatus.
- a mixing and extraction unit is literally suspended on a framework so that the separation bowl or rotor and mixing chamber are seated within a suitable casing.
- the materials to be mixed and separated are fed to the apparatus from below into a mixing chamber wherein they are mixed and impelled upwardly into the centrifugal bowl for separation into light and heavy phases in the usual manner.
- Means are provided to keep the mixing chamber from rotating in the casing when the device is in operative position.
- the entire unit, including mixing chamber, impeller and bowl can be literally lifted out of the casing without interrupting the mixing and extraction procedure in the remainder of a battery of such centrifugal mixing and extraction devicesv
- FIG. I is a schematic view, partly in section, of a complete unit.
- FIG. 2 is a sectional view in elevation showing the lower portion of the apparatus in greater detail.
- a rotor or centrifugal bowl If is supported on a drive shaft 12 within a casing 14 having a depending portion 16 with a lower wall l7.
- the drive shaft I2 is connected to a motor 19 by way ofa coupling 20 in a yoke 2
- the centrifugal bowl I1 is provided with a deflector plate 26, baffle means 27, and outlets 29 and 30 for the light and heavy phases, respectively, these elements being known and not forming part of this invention.
- the lower end of the drive shaft 12 is provided with an impeller 3l rotatable within an encapsulated mixing chamber 32 formed by upper and lower plates 34 and 35, respectively.
- the lower plate 35 is seated in a guide plate 36 which in turn is secured to a yoke 37 forming a collecting chamber 39 for passing mixed material from the mixing chamber 32 to the interior of the bowl I].
- the lower plate 35, the guide plate 36 and the lower wall 17 of the casin 14 are provided with a conduit 40 for receiving the materia s to be mixed and extracted from conduits 41 and 42.
- Pairs of magnets 43 and 44 are mounted in the guide plate 36 and in the lower wall 17 respectively in order to firmly seat the guide plate 36 against said lower wall 17 and one or more studs 46 are mounted in lower guide plate 36 to engage with a mating recess in the lower wall 17, or vice versa, to secure the lower guide plate 36 against rotation within the lower portion 16 of the casing 14.
- material to be mixed and extracted is introduced into the apparatus by way of conduits 41 and 42 to enter the encapsulated mixing chamber 32 by way of line 40.
- the impeller 3! mixes the materials and impells them from the mixing chamber through the collecting chamber 39 into the centrifugal bowl 1] for separation into light and heavy phases.
- the motor 19 is disengaged from the drive shaft 12 by uncoupling the coupling 20 and removing the cover plate 22, whereupon the entire unit can be lifted out by means of shaft [2, the bowl 11 and the mixing chamber 32 as well as the lower guide plate 36 all being drawn upwardly against the force of the magnets through the casing 14 and the yoke 21 and frame 24.
- the reverse procedure is followed, care being taken to insert the studs 46 into the mating recesses in the lower wall 17 of the casing 14 and attraction of the magnets 43 and 44 to insure a tight seal.
- Centrifugal mixing and extraction apparatus comprising a casing, an encapsulated mixing chamber seated in a lower portion thereof, an impeller rotatable within the mixing chamber, a rotatable bowl above and in communication with said mixing chamber, a drive shaft for rotating said impeller and said bowl within the casing, a motor for driving the shaft, means for removably supporting said motor and drive shaft in a frame, and means selectively restraining the mixing chamber against rotation within the casing, said means further allowing the release of the mixing chamber from said casing for withdrawal of the mixing chamber, impeller, bowl, drive shaft, and motor together from said frame.
- Apparatus as defined in claim 1 wherein the releasing and restraining means comprise a vertical stud fixed to a lower wall of the mixing chamber for mating engagement with the casing.
- releasing and restraining means comprise oppositely disposed magnets in a lower wall of the mixing chamber and the casing and a vertical stud fixed to said lower wall and axially engageable with the casing.
- releasing and restraining means comprise oppositely disposed magnets in a lower wall of the mixing chamber and the casing and a vertical stud fixed to the casing and axially engageable with said lower wall.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Extraction Or Liquid Replacement (AREA)
- Centrifugal Separators (AREA)
Abstract
A centrifugal mixing and extraction device, suitable particularly for mixing and extracting radioactive fluids, is designed for rapid cleaning and/or replacement of the mixing chamber and separation bowl. The entire unit, including motor, drive shaft, separator bowl, mixing chamber and impeller, is literally hung from a frame in a casing enclosing the bowl, mixing chamber and impeller. In operative position, the mixing chamber is restrained from rotation with the impeller, the bowl and the shaft by means of magnets in the lower portion of the chamber and the casing, by one or more studs fixed in one of the walls thereof and axially engageable with corresponding recesses in the other, or both. The entire unit can simply be lifted out of the casing, e.g., by disengaging the magnets, without interrupting the extraction process.
Description
United States Patent Gutter l July 4, I972 [54] CENTRIFUGAL MIXING AND EXTRACTION APPARATUS [72] Inventor: Heinrich Gutter, Karlsruhe, Germany [73] Assignee: Gesellschalt Znr Wiederaufarbeitung von Kernbrennstoffen m.b.l-l., Leopoldschafen, Germany [22] Filed: Feb. 3,1970
[2]] Appl.No.: 8,320
[30] Foreign Application Priority Data Feb. 13, 1969 Germany ..P [9 O7 l95.5
[56] References Cited UNITED STATES PATENTS 2,88I,974 4/l959 Ruf ..233/45 Primary Examiner-Jordan Franklin Assistant ExaminerGeorge H. Krizmanich Attorney-Curtis, Morris & Safford [57] ABSTRACT A centrifugal mixing and extraction device, suitable particularly for mixing and extracting radioactive fluids, is designed for rapid cleaning and/or replacement of the mixing chamber and separation bowl. The entire unit, including motor, drive shaft, separator bowl, mixing chamber and impeller, is literally hung from a frame in a casing enclosing the bowl, mixing chamber and impeller. In operative position, the mixing chamber is restrained from rotation with the impeller the bowl and the shaft by means of magnets in the lower portion of the chamber and the casing, by one or more studs fixed in one of the walls thereof and axially engageable with corresponding recesses in the other, or both. The entire unit can simply be lifted out of the casing, e.g., by disengaging the magnets, without interrupting the extraction process.
6 Claims, 2 Drawing Figures PATENTEDJUL 41m 3.674.196 sum 1 nr 2 FIG./
HEAVY PHASE PATENTEDJUL 4m 3.674.196
sum 20F 2 CENTRIFUGAL MIXING AND EXTRACTION APPARATUS This invention relates to an improvement in centrifugal mix ing and extraction devices that enables the entire mixing and extraction unit to be quickly and bodily removed and replaced for servicing with a minimum of handling, and is therefore particularly suitable for mixing and extracting radioactive fluids.
It is known that fast contact devices or compact centrifugal mixing and extraction apparatus have previously been developed whereby radioactive materials in fluid form or suspended in a fluid are mixed with and extracted by another liquid due to intense mixing and subsequent centrifugal separation into heavy and light phases. In order to obtain as complete an extraction as possible, it is frequently necessary and desirable to utilize a battery of units as successive stages of mixing and separation which work continuously and in countercurrent.
When radioactive fluids are involved, e.g., when fission products or fissile materials are to be extracted, the fluid should be subject to as short a residence time as possible in order to avoid radiation damage or contamination.
One advantage of the apparatus of this invention is that it does not require extensive mechanical disconnection and consequent danger of exposure of personnel to high radiation doses. Another advantage is that it provides an apparatus in which the impeller pump and the mixing chamber can be cleaned and/or replaced readily and without subjecting personnel to unnecessary radiation. Whether radioactive materials are processed or are not, the apparatus of the present invention has the further advantage of reducing to an absolute minimum the downtime for cleaning and replacing the moving parts of a centrifugal mixing and extraction apparatus.
In accordance with the invention, a mixing and extraction unit is literally suspended on a framework so that the separation bowl or rotor and mixing chamber are seated within a suitable casing. The materials to be mixed and separated are fed to the apparatus from below into a mixing chamber wherein they are mixed and impelled upwardly into the centrifugal bowl for separation into light and heavy phases in the usual manner. Means are provided to keep the mixing chamber from rotating in the casing when the device is in operative position. However, the entire unit, including mixing chamber, impeller and bowl, can be literally lifted out of the casing without interrupting the mixing and extraction procedure in the remainder of a battery of such centrifugal mixing and extraction devicesv The structure of the apparatus of the invention and the advantages thereof will become further apparent from the accompanyin g drawings wherein:
FIG. I is a schematic view, partly in section, of a complete unit; and
FIG. 2 is a sectional view in elevation showing the lower portion of the apparatus in greater detail.
Referring to FIG. I, a rotor or centrifugal bowl If is supported on a drive shaft 12 within a casing 14 having a depending portion 16 with a lower wall l7. The drive shaft I2 is connected to a motor 19 by way ofa coupling 20 in a yoke 2| having a bearing plate 22, the yoke 21 being supported in a frame 24, which is constructed as a radioactive shield in the event the apparatus is used for mixing and extracting radioactive material.
The centrifugal bowl I1 is provided with a deflector plate 26, baffle means 27, and outlets 29 and 30 for the light and heavy phases, respectively, these elements being known and not forming part of this invention.
Referring now to FIG. 2, the lower end of the drive shaft 12 is provided with an impeller 3l rotatable within an encapsulated mixing chamber 32 formed by upper and lower plates 34 and 35, respectively. The lower plate 35 is seated in a guide plate 36 which in turn is secured to a yoke 37 forming a collecting chamber 39 for passing mixed material from the mixing chamber 32 to the interior of the bowl I]. The lower plate 35, the guide plate 36 and the lower wall 17 of the casin 14 are provided with a conduit 40 for receiving the materia s to be mixed and extracted from conduits 41 and 42. Pairs of magnets 43 and 44 are mounted in the guide plate 36 and in the lower wall 17 respectively in order to firmly seat the guide plate 36 against said lower wall 17 and one or more studs 46 are mounted in lower guide plate 36 to engage with a mating recess in the lower wall 17, or vice versa, to secure the lower guide plate 36 against rotation within the lower portion 16 of the casing 14.
In operation, material to be mixed and extracted is introduced into the apparatus by way of conduits 41 and 42 to enter the encapsulated mixing chamber 32 by way of line 40. The impeller 3! mixes the materials and impells them from the mixing chamber through the collecting chamber 39 into the centrifugal bowl 1] for separation into light and heavy phases.
When it is desired to service and/or replace the unit, the motor 19 is disengaged from the drive shaft 12 by uncoupling the coupling 20 and removing the cover plate 22, whereupon the entire unit can be lifted out by means of shaft [2, the bowl 11 and the mixing chamber 32 as well as the lower guide plate 36 all being drawn upwardly against the force of the magnets through the casing 14 and the yoke 21 and frame 24. When it is desired to replace the unit, the reverse procedure is followed, care being taken to insert the studs 46 into the mating recesses in the lower wall 17 of the casing 14 and attraction of the magnets 43 and 44 to insure a tight seal.
it is apparent that a greater portion of the unit can also be removed by lifting the yoke 21 from the frame 24, whereupon the entire casing 14 enclosing the rotor or bowl It and the mixing chamber 32 are removed as a single unit.
It will be apparent from the foregoing that it is possible quickly to replace a centrifugal mixing and extraction unit without interrupting the operation of other units in a bank of such mixers and extractors. Furthermore, it is to be noted that the units can be removed quickly without mechanical disengagement and without unduly exposing personnel to radiation in the event the unit is utilized with radioactive materials and the frame 24 is constructed of a radioactive shielding material.
What is claimed is:
l. Centrifugal mixing and extraction apparatus comprising a casing, an encapsulated mixing chamber seated in a lower portion thereof, an impeller rotatable within the mixing chamber, a rotatable bowl above and in communication with said mixing chamber, a drive shaft for rotating said impeller and said bowl within the casing, a motor for driving the shaft, means for removably supporting said motor and drive shaft in a frame, and means selectively restraining the mixing chamber against rotation within the casing, said means further allowing the release of the mixing chamber from said casing for withdrawal of the mixing chamber, impeller, bowl, drive shaft, and motor together from said frame.
2. Apparatus defined in claim I wherein the releasing and restraining means are magnetic.
3. Apparatus as defined in claim 1 wherein the releasing and restraining means comprise a vertical stud fixed to a lower wall of the mixing chamber for mating engagement with the casing.
4. Apparatus defined in claim 1 wherein the releasing and restraining means comprise oppositely disposed magnets in a lower wall of the mixing chamber and the casing and a vertical stud fixed to said lower wall and axially engageable with the casing.
5. Apparatus defined in claim I wherein the releasing and restraining means comprise a vertical stud fixed to the casing for mating engagement with a lower wall of the mixing chamber.
6. Apparatus defined in claim 1 wherein the releasing and restraining means comprise oppositely disposed magnets in a lower wall of the mixing chamber and the casing and a vertical stud fixed to the casing and axially engageable with said lower wall.
4 i i t i
Claims (6)
1. Centrifugal mixing and extraction apparatus comprising a casing, an encapsulated mixing chamber seated in a lower portion thereof, an impeller rotatable within the mixing chamber, a rotatable bowl above and in communication with said mixing chamber, a drive shaft for rotating said impeller and said bowl within the caSing, a motor for driving the shaft, means for removably supporting said motor and drive shaft in a frame, and means selectively restraining the mixing chamber against rotation within the casing, said means further allowing the release of the mixing chamber from said casing for withdrawal of the mixing chamber, impeller, bowl, drive shaft, and motor together from said frame.
2. Apparatus defined in claim 1 wherein the releasing and restraining means are magnetic.
3. Apparatus as defined in claim 1 wherein the releasing and restraining means comprise a vertical stud fixed to a lower wall of the mixing chamber for mating engagement with the casing.
4. Apparatus defined in claim 1 wherein the releasing and restraining means comprise oppositely disposed magnets in a lower wall of the mixing chamber and the casing and a vertical stud fixed to said lower wall and axially engageable with the casing.
5. Apparatus defined in claim 1 wherein the releasing and restraining means comprise a vertical stud fixed to the casing for mating engagement with a lower wall of the mixing chamber.
6. Apparatus defined in claim 1 wherein the releasing and restraining means comprise oppositely disposed magnets in a lower wall of the mixing chamber and the casing and a vertical stud fixed to the casing and axially engageable with said lower wall.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691907195 DE1907195A1 (en) | 1969-02-13 | 1969-02-13 | Magnetically locked, removable high-speed mixing separator for radioactive liquids |
Publications (1)
Publication Number | Publication Date |
---|---|
US3674196A true US3674196A (en) | 1972-07-04 |
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ID=5725129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US8320A Expired - Lifetime US3674196A (en) | 1969-02-13 | 1970-02-03 | Centrifugal mixing and extraction apparatus |
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US (1) | US3674196A (en) |
DE (1) | DE1907195A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226359A (en) * | 1979-03-14 | 1980-10-07 | Beckman Instruments, Inc. | Direct drive high speed ultracentrifuge |
US4322030A (en) * | 1979-03-14 | 1982-03-30 | Beckman Instruments, Inc. | Lubrication and cooling system for a high speed ultracentrifuge drive assembly |
US5254076A (en) * | 1992-08-06 | 1993-10-19 | Arch Development Corporation | Centrifugal pyrocontactor |
US5571070A (en) * | 1996-01-16 | 1996-11-05 | Costner Industries Nevada, Inc. | Rotor sleeve for a centrifugal separator |
US5591340A (en) * | 1995-09-01 | 1997-01-07 | Costner Industries Nevada, Inc. | Centrifugal separator |
WO2002022274A1 (en) * | 2000-09-18 | 2002-03-21 | Galik George M | Method and apparatus for liquid-liquid extraction |
US6699169B2 (en) * | 2002-08-02 | 2004-03-02 | Japan Nuclear Cycle Development Institute | Centrifugal extractor with neutron absorption body |
US20040112800A1 (en) * | 2002-12-17 | 2004-06-17 | Hideki Ogino | Centrifugal extractor of non-contact journaled construction |
US20050003944A1 (en) * | 2002-07-01 | 2005-01-06 | Patrick Rivalier | Annular centrifugal extractor with embedded stirring rotor |
US20050170943A1 (en) * | 2002-03-21 | 2005-08-04 | Alfa Laval Corporate Ab | Centrifugal separator |
US20100175311A1 (en) * | 2007-04-02 | 2010-07-15 | Mark Allen | Systems, Devices, and Methods for Reaction and/or Separation |
US20190184313A1 (en) * | 2017-12-15 | 2019-06-20 | Minextech Llc | Method and apparatus for separating insoluble liquids of different densities |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2881974A (en) * | 1955-08-08 | 1959-04-14 | Ruf Walter | Centrifuge |
-
1969
- 1969-02-13 DE DE19691907195 patent/DE1907195A1/en active Pending
-
1970
- 1970-02-03 US US8320A patent/US3674196A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2881974A (en) * | 1955-08-08 | 1959-04-14 | Ruf Walter | Centrifuge |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4322030A (en) * | 1979-03-14 | 1982-03-30 | Beckman Instruments, Inc. | Lubrication and cooling system for a high speed ultracentrifuge drive assembly |
US4226359A (en) * | 1979-03-14 | 1980-10-07 | Beckman Instruments, Inc. | Direct drive high speed ultracentrifuge |
US5254076A (en) * | 1992-08-06 | 1993-10-19 | Arch Development Corporation | Centrifugal pyrocontactor |
US5591340A (en) * | 1995-09-01 | 1997-01-07 | Costner Industries Nevada, Inc. | Centrifugal separator |
US5762800A (en) * | 1995-09-01 | 1998-06-09 | Costner Industries Nevada, Inc. | Centrifugal separator |
US5571070A (en) * | 1996-01-16 | 1996-11-05 | Costner Industries Nevada, Inc. | Rotor sleeve for a centrifugal separator |
WO2002022274A1 (en) * | 2000-09-18 | 2002-03-21 | Galik George M | Method and apparatus for liquid-liquid extraction |
US6440054B1 (en) * | 2000-09-18 | 2002-08-27 | George M. Galik | Apparatus for liquid-liquid extraction |
US7118521B2 (en) * | 2002-03-21 | 2006-10-10 | Alfa Laval Corporate Ab | Centrifugal separator with conical pump inlet |
US20050170943A1 (en) * | 2002-03-21 | 2005-08-04 | Alfa Laval Corporate Ab | Centrifugal separator |
US7134991B2 (en) * | 2002-07-01 | 2006-11-14 | Commissariat A L'energie Atomique | Annular centrifugal extractor with embedded stirring rotor |
US20050003944A1 (en) * | 2002-07-01 | 2005-01-06 | Patrick Rivalier | Annular centrifugal extractor with embedded stirring rotor |
US6699169B2 (en) * | 2002-08-02 | 2004-03-02 | Japan Nuclear Cycle Development Institute | Centrifugal extractor with neutron absorption body |
US6976947B2 (en) * | 2002-12-17 | 2005-12-20 | Japan Nuclear Cycle Development Institute | Centrifugal extractor of non-contact journaled construction |
US20040112800A1 (en) * | 2002-12-17 | 2004-06-17 | Hideki Ogino | Centrifugal extractor of non-contact journaled construction |
US20100175311A1 (en) * | 2007-04-02 | 2010-07-15 | Mark Allen | Systems, Devices, and Methods for Reaction and/or Separation |
US8636634B2 (en) * | 2007-04-02 | 2014-01-28 | Rasp Technologies, Llc | Reaction and separation processor and process for producing biodiesel |
US20190184313A1 (en) * | 2017-12-15 | 2019-06-20 | Minextech Llc | Method and apparatus for separating insoluble liquids of different densities |
Also Published As
Publication number | Publication date |
---|---|
DE1907195A1 (en) | 1970-09-03 |
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