WO2009014193A1 - 粉体処理装置 - Google Patents
粉体処理装置 Download PDFInfo
- Publication number
- WO2009014193A1 WO2009014193A1 PCT/JP2008/063329 JP2008063329W WO2009014193A1 WO 2009014193 A1 WO2009014193 A1 WO 2009014193A1 JP 2008063329 W JP2008063329 W JP 2008063329W WO 2009014193 A1 WO2009014193 A1 WO 2009014193A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chamber
- powder
- impact
- processing apparatus
- powder processing
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/349—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of flames, plasmas or lasers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0221—Coating of particles
- B01J37/0223—Coating of particles by rotation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- the present invention relates to a powder processing apparatus, and more particularly to a processing apparatus used for supporting a metal catalyst on a powdery catalyst carrier for a fuel cell.
- Fuel cells that use polymer electrolytes that operate at relatively low temperatures use relatively expensive platinum for the positive and negative electrodes, and the amount of platinum used to reduce product costs. It is necessary to reduce the amount of platinum used and to obtain a high-performance electrode.
- Patent Documents 1 and 2 can be cited as conventional techniques for realizing effective stirring of the powder. As shown in FIG. 7, the technique disclosed in Patent Document 1 contains fine particles in a polygonal barrel a, and rotates the valenore a to form an appropriate thin film on the surface while stirring the fine particles. It is.
- Patent Document 2 relates to an apparatus for producing a high-purity silicon film sphere, specifically, the inner circumference of a cylindrical chamber.
- a plurality of weirs are provided in the direction, and the chamber is rotated in a posture containing the spherical metal, so that the spherical metal is lifted upward while being scooped by the weir, and then is dropped freely on the surface of the metal sphere by plasma irradiation.
- a silicon film is formed.
- Patent Document 2
- Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 2-6 0 9 4 3
- the present invention has been made in view of the above-described problems, and can improve the stirring efficiency of the powder with a simple mechanism, and uniformly form a coating such as a metal catalyst on the entire surface of the powder.
- An object of the present invention is to provide a powder processing apparatus that can handle the above.
- the powder processing apparatus has at least a bottom portion and an endless rising wall portion, and a plurality of scooping weirs are provided in the circumferential direction on the inner peripheral surface of the rising wall portion.
- the metal catalyst is irradiated by, for example, arc plasma irradiation on the powder surface of the minute unit while efficiently separating the powder to be processed into the minute unit within the chamber. It is to be carried.
- arc plasma irradiation By pulverizing the powder into fine units during plasma irradiation, the problem that the metal catalyst is formed only on a part of the aggregate due to the aggregation of the powder is eliminated, and the effective area of the metal catalyst is increased.
- This is an apparatus in which a metal catalyst is uniformly supported on the surface of a fine powder.
- a chamber having a bottom portion and an endless rising wall portion, in which a plurality of scooping weirs are provided on the inner peripheral surface of the rising wall portion in the circumferential direction, has a predetermined height from a horizontal plane.
- a posture standing in an inclined direction is maintained, and the chamber is rotated around an arbitrary rotation axis in this inclined posture. Due to the rotation of the chamber, the powder is sequentially lifted upward by a scooping weir on the inner peripheral surface. The powder lifted upwards falls freely when the scooping weir reaches or reaches the top.
- the apparatus of the present invention by providing an impact applying means for applying an impact to the chamber 1 at predetermined time intervals, the powder that is periodically applied to the chamber 1 and adheres to the scooping weir. By effectively free-falling and repeating this, the powder is shattered into fine units while preventing agglomeration in the chamber.
- the metal catalyst By performing plasma irradiation on the powdered powder in the chamber, the metal catalyst can be supported as uniformly as possible on the surface of the fine powder.
- the inclination angle of the chamber is preferably set to an arbitrary angle of about 30 to 60 degrees from the horizontal plane.
- a plurality of guide holes extending in a direction perpendicular to the vertical axis are provided on an outer periphery of the chamber.
- An engagement body extending in the opposite direction to the rotation direction communicates with the tip of the guide hole, and the impact applying means is provided in the guide hole.
- the weight body in the locking hole moves into the guide hole according to the rotation of the chamber and the surrounding body, and falls in the guide hole to drop the inside of the guide hole for a predetermined time. It is characterized in that impact is applied at intervals.
- a weight for example, an iron ball
- the weight is freely dropped in synchronization with the rotation of the chamber.
- the device is designed to give a constant impact, and its structure (mechanism) is extremely simple.
- a locking hole for locking the weight body communicates with the guide hole where the weight body falls, and this locking hole extends in a direction opposite to the rotation direction of the chamber.
- the impacted weight body is passed to the inner hole facing downward by the rotation of the chamber and the surrounding body, and this time, when it reaches the lowest point, it is automatically accommodated in the locking hole.
- the bottom is formed with a plurality of protrusions protruding into the interior of the chamber.
- a large number of protrusions are formed at the bottom of the chamber, and a plurality of protrusions are provided at the bottom where powder that freely falls in the chamber first collides, The stirring performance of the powder can be further enhanced.
- the specific shape and dimensions of the protrusions are not particularly limited, but examples include prismatic shapes, cylindrical shapes, hemispherical shapes, semi-elliptical shapes, and units of endless rings with different diameters. be able to.
- the powder processing apparatus may further comprise a control means for irradiating the plasma with pulses from the irradiation means in synchronism with the generation of an impact by the impact applying means.
- the powder is preferably a powdery carbon support, which is preferably used for dry-supporting platinum or a platinum alloy on the carbon support. Since this platinum is relatively expensive, the use of the apparatus of the present invention makes it possible to increase the effective area per unit weight, thereby reducing the amount of platinum used.
- the above-described apparatus of the present invention By applying the above-described apparatus of the present invention to such a use, it is suitable for the production of a battery catalyst of a fuel cell vehicle whose development has recently been developed and its production is expanding. Needless to say, it can also be applied to the production of diesel engine catalysts.
- the powder to be processed can be broken into small units without agglomerating with a simple configuration, and the metal catalyst can be uniformly powdered. It can be carried on the surface.
- the effective area of the metal catalyst can be increased, leading to a reduction in the amount used.
- FIG. 1 is a side view of an embodiment of the powder processing apparatus of the present invention.
- FIG. 2 is a perspective view taken along the line II—I I of FIG.
- FIG. 3 is an enlarged view of the chamber 1 of FIG.
- FIG. 4 is an enlarged view of the chamber 1 of FIG.
- FIG. 5 (a) is a TEM photograph of a supported catalyst by a conventional device, and (b) These are TEM photographs of the supported catalyst by the apparatus of the present invention.
- Figure 6 shows the experimental results for verifying the effect when a protrusion is provided at the bottom of the chamber.
- A is a TEM photograph of the supported catalyst in the case of a device without a protrusion at the bottom of the chamber.
- B is a TEM photograph of the supported catalyst in the case of a device with a protrusion at the bottom of the chamber, and
- c is a graph comparing the effective platinum areas in both cases.
- FIG. 7 is a front view of a polygonal barrel constituting a conventional stirring device.
- 1 is a rotating unit
- 1 1 is a chamber
- 1 1 a is a bottom
- 1 1 b is an endless rising wall
- 1 1 c is a scooping weir
- lid is a protrusion
- 1 2 is an enclosure
- 1 3 is a locking hole
- 1 4 is a guide hole
- 15 is a steel ball (impact applying means)
- 2 is a servo motor
- 3 is an arc plasma gun
- 4 is a vacuum pump
- 5 is a rotary pump
- 10 is powder processing
- the device, C shows the powdery carbon carrier.
- FIG. 1 is a side view of an embodiment of the powder processing apparatus of the present invention
- FIG. 2 is a perspective view of ⁇ _ ⁇ of FIG. 1
- FIG. 3 is an enlarged view of the chamber 1 of FIG.
- FIG. 2 is an enlarged view of the chamber 1 in FIG.
- Fig. 5a is a photograph of a supported catalyst using a conventional apparatus (transmission electron micrograph)
- Fig. 5b is a TEM photograph of the supported catalyst using the apparatus of the present invention.
- Fig. 6 shows the experimental results for verifying the effect when a protrusion is provided at the bottom of the chamber.
- FIG. 6a is a TEM photograph of the supported catalyst in the case of a device without a protrusion at the bottom of the chamber.
- Fig. 6b is a TEM photograph of the supported catalyst in the case of an apparatus having a protrusion at the bottom of the chamber, and
- Fig. 6c is a graph comparing the effective platinum areas in both cases.
- FIG. 1 is a diagram schematically illustrating an embodiment of the powder processing apparatus of the present invention.
- This powder processing apparatus 10 has a plasma irradiation direction of the arc plasma gun 3 with respect to a horizontal plane.
- the rotating body unit having a chamber in which the arc plasma gun 3 is positioned and fixed in a ⁇ -tilted posture and a powder-like force carrier is accommodated at the tip of the plasma irradiation direction.
- the rotating unit 1 is further configured to be rotatable at a predetermined speed by a servo motor 2 at the tip.
- the arc plasma gun 3 communicates with a vacuum pump 4 (for example, a turbo molecular pump, YTP 15500 manufactured by ULVAC, Inc.) and a rotary vacuum pump 5 for auxiliary vacuum. It is supposed to be discharged.
- the angle ⁇ direction described above coincides with the rotation axis of the rotating unit 1, but this ⁇ range is the acceleration of the fall of the carbon carrier and steel ball, which will be described later, and the bottom projection of the fallen carbon carrier C, ... From the viewpoint of promoting collision, it is preferable to set the angle within the range of 30 to 60 degrees. In this embodiment, the angle is set to 40 degrees.
- FIG. 2 is a front view illustrating a state in which the rotating body unit 1 is rotating as viewed from the arrow I I I I in FIG.
- the rotating body unit 1 is composed of a chamber 11 that houses a carbon carrier C,... Positioned at the center thereof, and an enclosure 12 that surrounds the chamber 11.
- the chamber 1 1 1 has a disk-like bottom portion 1 1 a and an endless rising wall portion 1 1 b which will rise from now on.
- the surrounding body 12 located on the outer periphery of the chamber 1 1 1 is fixed with a plurality of (eight in the illustrated example) guide holes 1 4,.
- Each guide hole 14 communicates with a locking hole 13 extending in the opposite direction to the rotation direction of the rotating body unit 1 (XI direction in FIG. 2).
- a steel ball 15 is accommodated in each guide hole 14, and this steel ball 15 can be accommodated in the locking hole 13 and reciprocates in the guide hole 14 (free fall and It can be lifted).
- the steel ball 15 that gave an impact to the chamber 1 1 1 by the rotation of the rotating unit 1 1 The guide hole 14 is freely moved downward (Y 2 direction), and when the guide hole 14 passes through the lowest point and turns to the raised position, it is again accommodated in the locking hole 13 (Y 3 directions).
- the eight steel balls 15,... Repeat the above reciprocating movement in the corresponding guide holes 14 and locking holes 13, and in the middle of that, impacts are applied to the chambers 11 at regular intervals. .
- the powdery carbon carrier C accommodated in the chamber 11 1 is scooped up by the scooping weir 11 1 c on the inner peripheral surface of the chamber 11 1 according to the rotation of the rotating unit 1, When it is lifted, it slides down from the scooping weir at or near the top and falls freely down the chamber.
- the powdery carbon carriers C 1,... are lightweight, there is a high possibility that they adhere to the scooping weir 11 c and do not fall freely well.
- the impact of the steel ball 15 is applied to the chamber 11 at regular intervals, so that the powdery carbon carrier C attached to the scooping weir 11 c ,... Are separated from the ugly weir 11 c by this impact, and can freely fall freely according to the rotation of the rotating unit 1.
- a large number of protrusions 11 1d,... are provided inside the bottom of the chamber 11a, so that the powdered carbon carrier C,. After colliding with 1 1 d,..., falling down, it falls down and is picked up by the ugly weir 1 1 c and lifted up.
- protrusions 1 1 d,... On the bottom portion 1 1 a and colliding with the powdery carbon carrier C,..., The surface of the carbon carrier facing the plasma irradiation direction can be changed at any time. This makes it possible to achieve uniform loading of the metal catalyst on the surface of the carbon support.
- the powder processing apparatus 10 is connected to a personal computer (not shown).
- the pulse irradiation of the plasma can be executed while transmitting the pulse signal to the plasma gun 3. Yes.
- the rotation speed of the servo motor 2 can be controlled by a computer.
- the controller that adjusts both the rotation speed and the timing of pulse signal transmission synchronizes with the impact applied by the steel ball 15. In this way, it is possible to perform plasma pulse irradiation.
- the degree of vacuum is 1 X 1 0 _ 4 Pa
- temperature Can be set at room temperature
- irradiation interval of 1 pulse second number of pulses 100000 times
- servo motor speed 7.5 rpm 7.5 rpm
- the powdery carbon carrier can be made into a fine unit powder form without agglomerating in the chamber, and the surface of the carbon carrier can be obtained by irradiating this with arc plasma. It is possible to carry a uniform platinum catalyst on the surface.
- FIG. 5a shows the case of the conventional device
- FIG. 5b shows the case of the device of the present invention.
- the black spot in the photo is the platinum catalyst, and the light gray part is the carbon support.
- the carbon support is more finely dispersed than in FIG. 5a, and the fine platinum catalyst is uniformly supported on the surface of each carbon support. Is clearly visible.
- the carbon support can be dispersed more finely, and as a result, the platinum can be uniformly supported on the surface of the fine carbon support.
- the present inventors conducted experiments on how much the platinum area per unit weight differs depending on the presence or absence of protrusions at the bottom of the chamber. What is used is a powder processing apparatus 10 and an apparatus having no protrusion on the bottom of the chamber with this apparatus configuration.
- Fig. 6a shows the case of the device without protrusions
- Fig. 6b shows the case of the device of the illustrated example.
- the black spot in the figure is platinum is the same as the above experimental result. Comparing the two figures, in both cases, the carbon support is dispersed in minute units. On the other hand, in Fig. 6b, it can be seen that a fine (smaller particle size) platinum catalyst is supported on the surface.
- the graph of Fig. 6c shows the results of examining the effective platinum area of both by the rotating electrode method.
- the effective platinum area increases approximately 10 times compared to the case without the protrusion, which increases the reaction area per unit area. This indicates that the amount of platinum used can be reduced or the amount of platinum used can be reduced.
- the powdery carbon carrier may be lifted by a belt conveyor mechanism and dropped freely, in addition to the powdery carbon carrier being lifted and dropped freely by the rotating body unit shown in the figure.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Catalysts (AREA)
- Fuel Cell (AREA)
- Inert Electrodes (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112008001719T DE112008001719T5 (de) | 2007-07-20 | 2008-07-17 | Pulverbehandlungsvorrichtung |
| US12/668,708 US20100180820A1 (en) | 2007-07-20 | 2008-07-17 | Apparatus for treating powder |
| CN200880020648A CN101687171A (zh) | 2007-07-20 | 2008-07-17 | 粉体处理装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007189301A JP2009022895A (ja) | 2007-07-20 | 2007-07-20 | 粉体処理装置 |
| JP2007-189301 | 2007-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009014193A1 true WO2009014193A1 (ja) | 2009-01-29 |
Family
ID=40281440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2008/063329 Ceased WO2009014193A1 (ja) | 2007-07-20 | 2008-07-17 | 粉体処理装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100180820A1 (ja) |
| JP (1) | JP2009022895A (ja) |
| CN (1) | CN101687171A (ja) |
| DE (1) | DE112008001719T5 (ja) |
| WO (1) | WO2009014193A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014504316A (ja) * | 2010-12-08 | 2014-02-20 | イノベイティブ・カーボン・リミテッド | 粒状物質、それらを含む複合材料、それらの調製および使用 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9173967B1 (en) | 2007-05-11 | 2015-11-03 | SDCmaterials, Inc. | System for and method of processing soft tissue and skin with fluids using temperature and pressure changes |
| US8507401B1 (en) | 2007-10-15 | 2013-08-13 | SDCmaterials, Inc. | Method and system for forming plug and play metal catalysts |
| US9126191B2 (en) | 2009-12-15 | 2015-09-08 | SDCmaterials, Inc. | Advanced catalysts for automotive applications |
| US8652992B2 (en) | 2009-12-15 | 2014-02-18 | SDCmaterials, Inc. | Pinning and affixing nano-active material |
| US8669202B2 (en) | 2011-02-23 | 2014-03-11 | SDCmaterials, Inc. | Wet chemical and plasma methods of forming stable PtPd catalysts |
| US9156025B2 (en) | 2012-11-21 | 2015-10-13 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
| US9586179B2 (en) | 2013-07-25 | 2017-03-07 | SDCmaterials, Inc. | Washcoats and coated substrates for catalytic converters and methods of making and using same |
| MX2016004759A (es) | 2013-10-22 | 2016-07-26 | Sdcmaterials Inc | Composiciones para trampas de oxidos de nitrogeno (nox) pobres. |
| CN106061600A (zh) | 2013-10-22 | 2016-10-26 | Sdc材料公司 | 用于重型柴油机的催化剂设计 |
| US9687811B2 (en) | 2014-03-21 | 2017-06-27 | SDCmaterials, Inc. | Compositions for passive NOx adsorption (PNA) systems and methods of making and using same |
| KR102570533B1 (ko) * | 2020-11-09 | 2023-08-28 | (주)아이작리서치 | 파우더용 원자층 증착 장치 |
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| JPS631444A (ja) * | 1986-06-20 | 1988-01-06 | Nippon Paint Co Ltd | 粉体処理方法 |
| JPS63107743A (ja) * | 1986-06-20 | 1988-05-12 | Nippon Paint Co Ltd | 粉体処理方法および装置 |
| JPH034933A (ja) * | 1989-05-30 | 1991-01-10 | Ube Ind Ltd | プラズマ粉体処理装置 |
| JPH07328427A (ja) * | 1994-06-14 | 1995-12-19 | Matsushita Electric Works Ltd | 大気圧プラズマ粉体処理方法及びその装置 |
| WO2004112964A1 (ja) * | 2003-06-20 | 2004-12-29 | Hosokawa Powder Technology Research Institute | 粉体処理方法、粉体処理装置、及び、多孔質造粒物の製造方法 |
| JP2005270955A (ja) * | 2004-02-23 | 2005-10-06 | Hosokawa Funtai Gijutsu Kenkyusho:Kk | 処理装置及び粉体処理方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1442019A1 (de) * | 1964-10-23 | 1968-10-17 | Henkel & Cie Gmbh | Verfahren zur Herstellung eines Fertigkuchenmehls |
| DE1299598B (de) * | 1965-11-26 | 1969-07-24 | Budenheim Rud A Oetker Chemie | Drehtrommel zur Herstellung gekoernter oder pulverfoermiger Feststoffe |
| US3387310A (en) * | 1966-09-22 | 1968-06-11 | Donald E. Marshall | Washing apparatus and method |
| US4373675A (en) * | 1980-11-17 | 1983-02-15 | Ford Motor Company | Method for beneficiating ductile scrap metal |
| US4430003A (en) * | 1980-11-18 | 1984-02-07 | Hawker Siddeley Canada, Inc. | Apparatus for spraying liquids such as resins and waxes on surfaces of particles |
| US4842790A (en) * | 1988-02-22 | 1989-06-27 | Tennessee Valley Authority | Method and apparatus for producing high-strength grannular particulates from low-strength prills |
| DE4209384C1 (ja) * | 1992-03-23 | 1993-04-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
| JP2002012470A (ja) * | 2000-06-23 | 2002-01-15 | Ngk Spark Plug Co Ltd | 高純度アルミナ焼結体、高純度アルミナボール、半導体用治具、絶縁碍子、ボールベアリング、チェックバルブ及び高純度アルミナ焼結体の製造方法 |
| JP2002060943A (ja) | 2000-08-22 | 2002-02-28 | Tohoku Electric Power Co Inc | 高純度シリコンの被覆方法及び装置 |
| US7677411B2 (en) * | 2002-05-10 | 2010-03-16 | Oriel Therapeutics, Inc. | Apparatus, systems and related methods for processing, dispensing and/or evaluatingl dry powders |
| JP3620842B2 (ja) | 2002-12-25 | 2005-02-16 | 孝之 阿部 | 多角バレルスパッタ装置、多角バレルスパッタ方法及びそれにより形成された被覆微粒子、被覆微粒子の製造方法 |
-
2007
- 2007-07-20 JP JP2007189301A patent/JP2009022895A/ja not_active Withdrawn
-
2008
- 2008-07-17 US US12/668,708 patent/US20100180820A1/en not_active Abandoned
- 2008-07-17 DE DE112008001719T patent/DE112008001719T5/de not_active Ceased
- 2008-07-17 CN CN200880020648A patent/CN101687171A/zh active Pending
- 2008-07-17 WO PCT/JP2008/063329 patent/WO2009014193A1/ja not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS631444A (ja) * | 1986-06-20 | 1988-01-06 | Nippon Paint Co Ltd | 粉体処理方法 |
| JPS63107743A (ja) * | 1986-06-20 | 1988-05-12 | Nippon Paint Co Ltd | 粉体処理方法および装置 |
| JPH034933A (ja) * | 1989-05-30 | 1991-01-10 | Ube Ind Ltd | プラズマ粉体処理装置 |
| JPH07328427A (ja) * | 1994-06-14 | 1995-12-19 | Matsushita Electric Works Ltd | 大気圧プラズマ粉体処理方法及びその装置 |
| WO2004112964A1 (ja) * | 2003-06-20 | 2004-12-29 | Hosokawa Powder Technology Research Institute | 粉体処理方法、粉体処理装置、及び、多孔質造粒物の製造方法 |
| JP2005270955A (ja) * | 2004-02-23 | 2005-10-06 | Hosokawa Funtai Gijutsu Kenkyusho:Kk | 処理装置及び粉体処理方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014504316A (ja) * | 2010-12-08 | 2014-02-20 | イノベイティブ・カーボン・リミテッド | 粒状物質、それらを含む複合材料、それらの調製および使用 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009022895A (ja) | 2009-02-05 |
| CN101687171A (zh) | 2010-03-31 |
| DE112008001719T5 (de) | 2010-06-17 |
| US20100180820A1 (en) | 2010-07-22 |
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