WO2000020140A1 - Procede et dispositif de decomposition d'un element de circuit par de l'eau a l'etat de fluide supercritique - Google Patents
Procede et dispositif de decomposition d'un element de circuit par de l'eau a l'etat de fluide supercritique Download PDFInfo
- Publication number
- WO2000020140A1 WO2000020140A1 PCT/JP1999/005404 JP9905404W WO0020140A1 WO 2000020140 A1 WO2000020140 A1 WO 2000020140A1 JP 9905404 W JP9905404 W JP 9905404W WO 0020140 A1 WO0020140 A1 WO 0020140A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- pressure
- supercritical fluid
- circuit member
- state
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000012530 fluid Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 15
- 239000011593 sulfur Substances 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims description 63
- 239000007788 liquid Substances 0.000 claims description 37
- 238000003672 processing method Methods 0.000 claims description 19
- 239000000376 reactant Substances 0.000 claims description 12
- 238000000354 decomposition reaction Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 150000002739 metals Chemical class 0.000 abstract description 6
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000010931 gold Substances 0.000 description 14
- 230000001105 regulatory effect Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000010949 copper Substances 0.000 description 9
- 239000001307 helium Substances 0.000 description 8
- 229910052734 helium Inorganic materials 0.000 description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 8
- 239000011133 lead Substances 0.000 description 8
- 239000011135 tin Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 7
- 229910052737 gold Inorganic materials 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 229910052718 tin Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 231100000614 poison Toxicity 0.000 description 4
- 230000007096 poisonous effect Effects 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- -1 Au (HS) : Chemical class 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 231100000925 very toxic Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0203—Solvent extraction of solids with a supercritical fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0021—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by liquid gases or supercritical fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Definitions
- the present invention relates to a method and an apparatus for decomposing a circuit member with water in a supercritical fluid state.
- the present invention relates to a method and an apparatus for disassembling a circuit member, and more particularly to a method and an apparatus for disassembling a circuit member using water in a supercritical fluid state.
- circuit members such as circuit boards, chip components, display panels, batteries, and the like have been used in such electronic devices.
- circuit members are formed with an extremely fine structure, and each part is often fixed integrally, such as when chip components are surface-mounted on a circuit board (for this reason, It is not easy to disassemble circuit members. Currently, circuit members to be discarded are crushed before landfill.
- the power of simply crushing and reclaiming circuit components uses useful metals such as gold, tin, copper, and lead, and harmful substances such as cadmium. Often.
- circuit member when the circuit member is discarded, it is preferable to disassemble the circuit member and to reuse various substances or execute a dedicated process.
- recent circuit members often have an extremely fine structure and each part is integrally fixed, so it is actually difficult to disassemble the circuit member so that various materials can be recovered. It is.
- An object of the present invention is to provide a method and an apparatus for treating a member that can disassemble a circuit member satisfactorily and quickly without requiring a poisonous substance, and can also collect rare and harmful substances.
- One member processing method is to heat liquid (11: 0) in a liquid state to a predetermined temperature or more and pressurize the water to a predetermined pressure or more to form a supercritical fluid.
- the circuit member to be treated is decomposed with water. Therefore, in the member treating method according to the present invention, the circuit member can be satisfactorily disassembled with water which is easy to handle and is safe without being poisonous, and various substances can be easily recovered from the circuit member to be decomposed. It is.
- the supercritical fluid will be briefly described with reference to FIG.
- a substance changes into three, solid, liquid, and gas, depending on the relationship between temperature and pressure, but as shown in the figure, in the region above the critical point at a given temperature and a given pressure, the substance becomes superfluous. It becomes a critical fluid. It combines the properties of a gas and a liquid, and the thermal motion of the molecules is remarkable, albeit at a high density, and the collision frequency between the molecules is extremely higher than that of a gas or a liquid.
- water in a supercritical fluid state exhibits a unique dissolving power and activates various reactions well, so even circuit components that are difficult to decompose in liquid or gaseous water Good and quick decomposition treatment is possible.
- water in a liquid state is sealed in a sealed container together with a circuit member to be treated, and the inside of the sealed container is supplied to a predetermined pressure by a common supply of a pressurized medium. Pressurize and heat the inside of the sealed container pressurized to the specified pressure to bring the water to the specified temperature.
- a supercritical fluid having a pressure equal to or higher than a predetermined pressure.
- the circuit member can be satisfactorily decomposed with water that is easy to handle and is safe, and that can be easily recovered from the circuit member to be decomposed. . Moreover, since the water is sealed in a closed container together with the circuit members and then pressurized by co-supply of a pressurized medium, and the inside of the closed container in this state is heated to make water a supercritical fluid, the state of the supercritical fluid The disassembly of the circuit member with water can be performed with simple equipment.
- the temperature and pressure of water in a supercritical fluid state can be controlled by heating and reducing pressure.
- the characteristics of the supercritical fluid such as its unique dissolving power and activation of various reactions, can be freely adjusted by changes in temperature and pressure. Therefore, various structures and various substances of the circuit member can be satisfactorily decomposed.
- the member processing method described above it is also possible to separately store the substance discharged from the closed container.
- the circuit members that are decomposed by the water in the supercritical flow form generate resin organic molecules and the like, and the substances generated and discharged from the closed container are stored. It is possible to use the calorific value of this substance as energy or to reuse the substance as a raw material.
- the pressurized medium may be made of an inert gas.
- the water pressurized by the inert gas pressurized medium which is sealed in a closed container, is heated to become a supercritical stream.
- Substance and pressurized medium Because the book does not react, The seed material can be recovered well.
- the member processing method as described above it is also possible to mix a reactant that combines with a predetermined metal present in the circuit member into liquid water.
- a predetermined metal when a predetermined metal is generated from a circuit member that is decomposed by water in a supercritical fluid state, the predetermined substance is combined with the predetermined metal, so that the predetermined metal can be recovered as this compound.
- the reactant to be mixed in the water may be sulfur.
- gold is used as a metal for the circuit member, it is mixed with water that becomes a supercritical fluid, and the sulfur is combined into Au (HS) 2 , so that it is probably used for the circuit member. Can be recovered as a compound.
- tin is used as a metal for the circuit member
- SnS can be recovered as a compound with sulfur
- PbS can be recovered
- copper can be recovered.
- CuS can be recovered.
- solder made of an alloy of tin and lead is used for circuit members.
- printed circuits made of copper are formed on the circuit member.
- the member processing method as described above it is also possible to adjust the volume of the reactant to be mixed into the water in accordance with the volume of the predetermined metal present in the circuit member.
- the volume of the reactant mixed in the water is adjusted according to the volume of the metal contained therein, the metal of the circuit member to be decomposed can be combined and recovered without excess and deficiency.
- the water in a supercritical fluid state in which the decomposition processing of the circuit member is completed is changed to a liquid state by lowering the temperature and the pressure, and the water in the liquid state is cooled at normal pressure. Solidification is also possible.
- the water in the state of the supercritical fluid solidifies after the decomposition processing of the circuit member is completed, various substances mixed in the water in the state of the supercritical fluid can be precipitated. Since the solubility of substances (molecules and atoms) in ice, which is solidified water, is about 0.001%, various substances generated from circuit members can be easily recovered.
- water is sealed in a closed container together with a circuit member to be treated, and the inside of the closed container is filled with a pressurized medium by a medium supply means. It is pressurized to a predetermined pressure by the supply. Since the inside of the sealed container pressurized to a predetermined pressure is heated by the internal heating means to turn water into a supercritical fluid, the circuit member is decomposed by the water in the supercritical fluid state.
- the circuit member can be satisfactorily decomposed and treated with inexpensive water which is easy to handle and is not poisonous, and it is easy to collect various substances from the circuit member to be decomposed.
- the water is sealed in a sealed container together with the circuit members and then pressurized by supplying a pressurized medium, the inside of the sealed container in this state is heated to make water a supercritical fluid. Disassembly of circuit members by water can be performed with simple equipment.
- the substance present inside the closed vessel is appropriately discharged by the internal pressure reducing means, and the operation of the internal pressure reducing means and the internal heating means is controlled by the state control means.
- water in a supercritical fluid state exerts a unique dissolving power and activates various reactions well.However, since such characteristics are freely adjusted by changes in temperature and pressure, circuit members Thus, the state of the decomposition process can be adjusted independently, and various structures and various substances of the circuit member can be satisfactorily decomposed.
- the substance present inside the closed vessel is appropriately discharged by the internal pressure reducing means, and the substance discharged in this way can be separately stored by the substance storage means.
- the calorific value of the substance it is possible to use the calorific value of the substance as energy or to reuse the substance as a raw material.
- the member processing apparatus as described above, it is also possible to solidify the water in the liquid state, in which the decomposition treatment of the circuit member is completed in the state of the supercritical flow, by cooling the substance precipitation means at normal pressure.
- the solubility of substances (molecules and atoms) in ice which is solidified water, is about 0.001%, it is possible to precipitate various substances mixed in water in a supercritical fluid state.
- Various substances generated from circuit members can be easily recovered ''
- the various means referred to in the present invention may be formed so as to realize their functions.
- dedicated hardware appropriate functions are provided by a program.
- Computer functions realized inside the computer by appropriate programs, combinations of these, etc.
- FIG. 1 is a schematic diagram showing a member processing system which is an embodiment of the member processing apparatus according to the present invention.
- Fig.2 is a characteristic diagram showing changes in the state of water due to changes in temperature and pressure.
- a member processing system 1 according to an embodiment of a member processing apparatus according to the present invention has a closed container 2, and the closed container 2 is made of stainless steel having a hatch 3 that can be opened and closed.
- An internal heating device 4 is mounted on the bottom of the closed container 2 and heats the closed container 2.
- the closed container 2 is equipped with a pressure regulating valve 5.
- a helium cylinder 7 is exchangeably connected to the intake pipe 6, and a medium supply mechanism 8 is formed by these.
- Hiroshikyu mechanism 8 the Heriumugasu is an inert gas feed ⁇ both inside the closed container 2 as the pressure medium, the inner part of the closed vessel 2 is pressurized to an initial pressure of 100 to 110 (atm) (,
- Helium cylinder 7 is a commercially available product, and is filled with helium gas at a pressure of 180 (atm). Thus, the internal pressure of the helium cylinder 7
- the medium ⁇ co-supply mechanism 8 pressurizes the internal pressure of the sealed container 2 to 100 to L10 (atm) simply by adjusting the pressure regulating valve 5 of the intake pipe 6.
- Water ⁇ supply pipe 1 1 supplies liquid ( ⁇ , ⁇ ) 13 in liquid state at normal temperature and pressure to closed container 2 with hatch 3 open, and material supply container 12 has hatch 3 open.
- the powdered sulfur 14 is charged into the sealed container 2 thus prepared.
- the closed vessel 2 also has an exhaust pipe 15 connected to the hatch 3, and the exhaust pipe 15 also has a pressure regulating valve 16 as an internal pressure reducing means.
- This pressure regulating valve 16 The substance, which is also used as the gasket, is discharged into the exhaust pipe 15 as needed.
- a drive mechanism (not shown) for the pressure control valve 16 and the above-described internal heating device 4 are wired with a personal computer 17 functioning as a state control means. The operation of the heating device 4 is controlled.
- the personal computer ⁇ 7 has at least hardware such as a CPU (Central Processing Unit)> ROM (Read Only Memory), RAM (Random Access Memory), and I / F (Interface).
- CPU Central Processing Unit
- ROM Read Only Memory
- RAM Random Access Memory
- I / F Interface
- the exhaust pipe 15 is also provided with a substance storage container 18.
- the substance storage container 18 has a pressure gauge 19 and an exhaust pump 20.
- the substance storage container 18 separately stores the substance discharged from the closed vessel 2 by the pressure regulating valve 16, and the exhaust pump 2 ⁇ discharges the gas inside the substance storage container 18 to the outside.
- the suction pump 21 and the refrigerator 22 as the substance precipitation means are provided separately from the above-described device.
- the liquid 13 is sucked from the inside of the container 2 at normal temperature and normal pressure and supplied to the refrigerator 22 (co-supplied. Cool to ⁇ 5 C) and solidify.
- the member processing system 1 targets a circuit member 30 such as a circuit board, a chip component, a display panel, and a notch, which is used in various electronic devices.
- a desired circuit member 30 is charged into the closed container 2 with the hatch 3 opened, and water (HO) 13 at normal temperature and normal pressure is supplied from the water supply pipe 11 to supply water. Sulfur 14 is charged from the quality charging container 12.
- the water 13 is ultrapure water, and the volume of the closed container 2 or the circuit member 3 0
- the hatch 3 is closed and the sealed container 2 is closed, and helium gas at a normal temperature of 180 (atm) of the helium cylinder 7 is supplied to the inside of the sealed container 2 by operating the pressure regulating valve 5. (atm) pressure.
- the airtight container 2 is heated by the internal heating device 4 whose operation is controlled by the personal computer 17, and as shown in FIG. 2, the water 13 in the liquid state inside the airtight container 2 is 375 (° C). It is a supercritical fluid with the above temperature and pressure of 220 (atm) or more.
- the personal computer 17 since the personal computer 17 actively controls the internal heating device 4 and the pressure regulating valve 16, the characteristics of water in a supercritical fluid state vary. Thus, various structures and various substances of the circuit member 30 are satisfactorily decomposed.
- the discharged substance is the substance storage container 18. Is stored separately. Therefore, the calorific value of this substance can be used as energy, and the stored substance can be reused as a raw material.
- the substance generated from the circuit member 30 that is decomposed as described above includes gold (A u), tin (Sn), lead (Pb), copper (Cu), etc. are assumed to be present.
- the water 13 contains sulfur (S) 14. It is mixed.
- S sulfur
- the above-mentioned various metals react with sulfur 14 to form compounds such as Au (HS) :, SnS, PbS, and CuS, which are present in water in a supercritical fluid state.
- the personal computer 17 stops the operation of the internal heating device 4 and lowers the temperature inside the sealed container 2 to normal temperature (by lowering and adjusting the pressure).
- the operation of the valve 16 is controlled to reduce the pressure inside the closed vessel 2 to normal pressure.
- water 13 in a liquid state in which a compound such as Au (HS) is mixed therein will accumulate inside the closed container 2.
- the water 13 in a liquid state under pressure is transferred to a refrigerator 22 by a suction pump 21, and the refrigerator 22 cools and solidifies the water 13 in a liquid state to about 0 to ——5 C).
- the solubility of substances (molecules and atoms) in ice, which is solidified water 13, is about 0.001%, and thus, compounds such as Au (HS) mixed with water 13; SnS, PbS, CuS, etc. Is deposited, and useful metals such as gold (Au), tin (Sn), lead (Fb), and copper (Cu) can be easily recovered from the precipitated compound.
- compounds such as Au (HS) mixed with water 13; SnS, PbS, CuS, etc. Is deposited, and useful metals such as gold (Au), tin (Sn), lead (Fb), and copper (Cu) can be easily recovered from the precipitated compound.
- the circuit member 30 is decomposed by using water as a supercritical fluid, so that the water is not poisonous, is easy to handle, and is inexpensive.
- the circuit member 30 integrally fixed can be disassembled satisfactorily and quickly.
- the water 13 in a liquid state is sealed in the closed container 2 together with the circuit member 30 and then pressurized to a predetermined pressure by co-supply of helium gas. In this state, the sealed water 13 is heated to produce a supercritical flow. Therefore, water in a supercritical fluid state can be easily obtained with simple equipment.
- the medium for pressurizing the water 13 in the liquid state to the initial pressure is a helium gas, which is an inert gas
- various substances generated from the circuit member 30 to be decomposed are used. Does not react easily, and various substances can be satisfactorily recovered from the circuit member 3 mm.
- the inside of the sealed container 2 is pressurized to a pressure of 100 to 110 (atm) using the pressure 180 (atm) of a commercially available steam cylinder 7, a dedicated compressor (not shown) is required. Without using an extremely simple configuration, the inside of the sealed container 2 can be set to a desired initial pressure.
- an experimental device in a prototype stage is exemplified as the member processing system 1 which is a member processing device, and it is assumed that various operations are performed manually. However, when actually realizing a member processing device (not shown) for business use, it is preferable to automate and control each unit.
- the trader manually puts the circuit member 30 to be processed into the closed container 2 by way of example.
- the above-mentioned work is performed by a belt conveyor, a robot arm, or the like. It is preferable to execute this automatically with a member transport mechanism consisting of:
- the member processing system 1 has an internal heating device 4 for heating water in a supercritical fluid state inside the closed vessel 2 and a pressure regulating valve 16 for reducing pressure. There is no internal cooling means for forcibly cooling the water in the above state and no internal pressurizing means for pressurizing.
- the circuit member 30 can be disassembled well even with the experimental member processing system 1 produced as a prototype, but the actual member processing apparatus for business use described above in (1) to (4).
- an internal cooling means for forcibly cooling water in a supercritical fluid state and an internal pressurizing means for pressurizing the water.
- the power and the material that indicate that the water 13 is to be ultrapure water have been cleared. If priority is given to the decomposition of 3 °, tap water can be used directly as water 13.
- gold (Au) is assumed as a substance to be recovered from the circuit member 30, and the case where sulfur (S) is mixed as a reactant into water 13 in a liquid state has been exemplified.
- the reactants to be mixed with the liquid water 13 in this state can be changed in various ways in accordance with the substance to be recovered.
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Extraction Or Liquid Replacement (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99970040A EP1125647A4 (en) | 1998-10-02 | 1999-10-01 | METHOD AND DEVICE FOR DECOMPOSING A CIRCUIT ELEMENT BY WATER IN THE STATE OF SUPERCRITICAL FLUID |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10281400A JP2000107725A (ja) | 1998-10-02 | 1998-10-02 | 部材処理方法および装置 |
JP10/281400 | 1998-10-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000020140A1 true WO2000020140A1 (fr) | 2000-04-13 |
Family
ID=17638625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/005404 WO2000020140A1 (fr) | 1998-10-02 | 1999-10-01 | Procede et dispositif de decomposition d'un element de circuit par de l'eau a l'etat de fluide supercritique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1125647A4 (ja) |
JP (1) | JP2000107725A (ja) |
TW (1) | TW425315B (ja) |
WO (1) | WO2000020140A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002083333A1 (fr) * | 2001-04-06 | 2002-10-24 | Advantest Corporation | Processeur pour elements a circuits |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004041997A1 (de) * | 2004-08-31 | 2006-03-09 | Umicore Ag & Co. Kg | Verfahren zum Recycling von Brennstoffzellenkomponenten |
US20110136057A1 (en) * | 2009-12-08 | 2011-06-09 | Kazumi Ohtaki | Method for treating electrophotographic carrier, method for producing electrophotographic carrier, core material and carrier |
FR3030317B1 (fr) * | 2014-12-23 | 2017-02-10 | Brgm | Procede de recyclage de dechets d'equipements electriques et electroniques |
JP6498573B2 (ja) * | 2015-09-15 | 2019-04-10 | 東京エレクトロン株式会社 | 基板処理方法、基板処理装置および記憶媒体 |
CN112076496B (zh) * | 2020-09-25 | 2021-05-14 | 炁艾生命科技(深圳)有限公司 | 一种智能中药萃取机 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09164328A (ja) * | 1995-12-15 | 1997-06-24 | Japan Organo Co Ltd | 超臨界水を反応媒体として用いるバッチ式反応容器内の反応圧力調整方法及び反応装置 |
JPH1024274A (ja) * | 1996-07-12 | 1998-01-27 | Sumitomo Bakelite Co Ltd | 熱硬化性樹脂の分解方法及びリサイクル方法 |
JPH10237215A (ja) * | 1997-02-28 | 1998-09-08 | Toshiba Corp | 樹脂廃棄物の分解処理方法および分解処理装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5356538A (en) * | 1991-06-12 | 1994-10-18 | Idaho Research Foundation, Inc. | Supercritical fluid extraction |
-
1998
- 1998-10-02 JP JP10281400A patent/JP2000107725A/ja active Pending
-
1999
- 1999-09-30 TW TW88116985A patent/TW425315B/zh not_active IP Right Cessation
- 1999-10-01 WO PCT/JP1999/005404 patent/WO2000020140A1/ja not_active Application Discontinuation
- 1999-10-01 EP EP99970040A patent/EP1125647A4/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09164328A (ja) * | 1995-12-15 | 1997-06-24 | Japan Organo Co Ltd | 超臨界水を反応媒体として用いるバッチ式反応容器内の反応圧力調整方法及び反応装置 |
JPH1024274A (ja) * | 1996-07-12 | 1998-01-27 | Sumitomo Bakelite Co Ltd | 熱硬化性樹脂の分解方法及びリサイクル方法 |
JPH10237215A (ja) * | 1997-02-28 | 1998-09-08 | Toshiba Corp | 樹脂廃棄物の分解処理方法および分解処理装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1125647A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002083333A1 (fr) * | 2001-04-06 | 2002-10-24 | Advantest Corporation | Processeur pour elements a circuits |
Also Published As
Publication number | Publication date |
---|---|
EP1125647A1 (en) | 2001-08-22 |
TW425315B (en) | 2001-03-11 |
EP1125647A4 (en) | 2002-11-27 |
JP2000107725A (ja) | 2000-04-18 |
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