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1. 发明授权

US09057118B2 Plasma method and apparatus for recovery of precious metals 有权
标题翻译：用于回收贵金属的等离子体方法和装置
公开(公告)号：US09057118B2
公开(公告)日：2015-06-16
申请号：US13130886
申请日：2009-11-24
申请人： David Deegan , Tim Johnson
发明人： David Deegan , Tim Johnson
IPC分类号： C22B11/02 , C22B4/00 , C22B9/22
CPC分类号： C22B11/021 , C22B4/005 , C22B9/226 , C22B11/02 , C22B11/026 , Y02P10/214 , Y02P10/234
摘要： The present invention relates to a method, and apparatus for the recovery of precious metals. Accordingly, it provides a continuous process for obtaining a precious metal composition from a feedstock material, the process comprising the steps of: (i) heating a feedstock material in a plasma furnace to form an upper slag layer and a lower molten metal layer; (ii) removing the slag layer; (iii) removing the molten metal layer; (iv) allowing the removed molten metal layer to solidify; (v) fragmenting the solidified metal layer to form fragments; and (vi) recovering a precious metal composition from the fragments; wherein the feedstock material comprises a precious metal containing material and a collector metal, said collector metal being a metal or an alloy that is capable of forming a solid solution, an alloy or an intermetallic compound with one or more precious metals. This allows for high recovery yields of precious metals. The apparatus comprises a plasma furnace, a casting table enabling continuous casting of the molten metal pool to form a solidified sheet, a fragmentation device and a separation unit for recovering precious-metal-rich alloy from the sheet fragments.
摘要翻译：本发明涉及一种回收贵金属的方法和装置。因此，其提供了从原料材料获得贵金属组合物的连续方法，该方法包括以下步骤：（i）在等离子体炉中加热原料以形成上熔渣层和下熔融金属层; （ii）除去渣层; （iii）去除熔融金属层; （iv）允许去除的熔融金属层固化; （v）使固化的金属层破碎以形成碎片; 和（vi）从碎片中回收贵金属组合物; 其中所述原料材料包含含贵金属的材料和集电器金属，所述集电极金属是能够形成固溶体，合金或金属间化合物与一种或多种贵金属的金属或合金。这允许贵金属的高回收率。该装置包括等离子体炉，能够连续铸造熔融金属池以形成固化片的铸造台，碎片装置和用于从片材片中回收富含金属的合金的分离单元。

2. 发明申请

US20110274580A1 PLASMA METHOD AND APPARATUS FOR RECOVERY OF PRECIOUS METALS 有权
标题翻译：用于回收重金属的等离子体方法和装置
公开(公告)号：US20110274580A1
公开(公告)日：2011-11-10
申请号：US13130886
申请日：2009-11-24
申请人： David Deegan , Tim Johnson
发明人： David Deegan , Tim Johnson
IPC分类号： C22B1/00 , B22D11/14 , B22D45/00 , B22D23/00
CPC分类号： C22B11/021 , C22B4/005 , C22B9/226 , C22B11/02 , C22B11/026 , Y02P10/214 , Y02P10/234
摘要： The present invention relates to a method, and apparatus for the recovery of precious metals. Accordingly, it provides a continuous process for obtaining a precious metal composition from a feedstock material, the process comprising the steps of: (i) heating a feedstock material in a plasma furnace to form an upper slag layer and a lower molten metal layer; (ii) removing the slag layer; (iii) removing the molten metal layer; (iv) allowing the removed molten metal layer to solidify; (v) fragmenting the solidified metal layer to form fragments; and (vi) recovering a precious metal composition from the fragments; wherein the feedstock material comprises a precious metal containing material and a collector metal, said collector metal being a metal or an alloy that is capable of forming a solid solution, an alloy or an intermetallic compound with one or more precious metals. This allows for high recovery yields of precious metals. The apparatus comprises a plasma furnace, a casting table enabling continuous casting of the molten metal pool to form a solidified sheet, a fragmentation device and a separation unit for recovering precious-metal-rich alloy from the sheet fragments.
摘要翻译：本发明涉及一种回收贵金属的方法和装置。因此，其提供了从原料材料获得贵金属组合物的连续方法，该方法包括以下步骤：（i）在等离子体炉中加热原料以形成上熔渣层和下熔融金属层; （ii）除去渣层; （iii）去除熔融金属层; （iv）允许去除的熔融金属层固化; （v）使固化的金属层破碎以形成碎片; 和（vi）从碎片中回收贵金属组合物; 其中所述原料材料包含含贵金属的材料和集电器金属，所述集电极金属是能够形成固溶体，合金或金属间化合物与一种或多种贵金属的金属或合金。这允许贵金属的高回收率。该装置包括等离子体炉，能够连续铸造熔融金属池以形成固化片的铸造台，碎片装置和用于从片材片中回收富含金属的合金的分离单元。

3. 发明申请

US20050115932A1 Method of improving the service life of a plasma torch electrode 审中-公开
标题翻译：提高等离子炬电极使用寿命的方法
公开(公告)号：US20050115932A1
公开(公告)日：2005-06-02
申请号：US10332638
申请日：2001-07-10
申请人： David Deegan , Chris Chapman , Timothy Johnson
发明人： David Deegan , Chris Chapman , Timothy Johnson
IPC分类号： B01J19/08 , B23K10/00 , H05H1/34 , H05H1/44 , B23K15/06
CPC分类号： H05H1/34 , H05H2001/3478
摘要： The present invention relates to plasma torches and, in particular, to a method of improving the service life of electrodes, especially stub-ended electrodes. An electrode for a plasma torch comprises an electrode body and an electrode tip, wherein the electrode tip is fusion welded either directly or indirectly to the electrode body.
摘要翻译：本发明涉及等离子体焰炬，特别是涉及一种提高电极使用寿命的方法，特别是短截线电极。用于等离子体焰炬的电极包括电极体和电极尖端，其中电极尖端直接或间接熔接在电极体上。

4. 发明授权

US09744575B2 Treatment of waste 有权
公开(公告)号：US09744575B2
公开(公告)日：2017-08-29
申请号：US14112321
申请日：2012-04-23
申请人： David Deegan , Fan Zhang
发明人： David Deegan , Fan Zhang
IPC分类号： B09B3/00 , F23G5/08 , A62D3/19 , B09C1/06 , F23G5/02 , F23G7/14 , A62D101/20 , A62D101/22 , A62D101/28
CPC分类号： B09B3/00 , A62D3/19 , A62D2101/20 , A62D2101/22 , A62D2101/28 , B09C1/06 , F23G5/02 , F23G5/085 , F23G7/14 , F23G2201/70 , F23G2900/50212 , F23G2900/7007 , F23G2900/7011 , Y02W10/40
摘要： A method for the treatment of waste by plasma treating the waste to destroy the hazardous organic components and to yield a slag and an off-gas by plasma treating the waste in the presence of added oxygen gas in a transferred-arc plasma treatment unit, followed by directing off-gas from the plasma treatment unit to a thermal oxidizer combustion chamber.

5. 发明授权

US09382144B2 Hazardous waste treatment process 有权
标题翻译：有害废物处理过程
公开(公告)号：US09382144B2
公开(公告)日：2016-07-05
申请号：US12293799
申请日：2007-03-20
申请人： David Deegan , Chris Chapman , Saeed Ismail
发明人： David Deegan , Chris Chapman , Saeed Ismail
IPC分类号： B23K10/00 , C03B5/02 , B09B3/00 , C03B5/00 , C04B33/13 , C04B33/132 , C04B33/32 , G21F9/30 , H05H1/48
CPC分类号： C03B5/025 , B09B3/005 , B09B3/0066 , C03B5/005 , C04B33/13 , C04B33/132 , C04B33/1325 , C04B33/1328 , C04B33/323 , C04B2235/3208 , G21F9/305 , H05H1/48 , Y02P40/52 , Y02P40/69
摘要： A method for treating hazardous waste comprising the steps of providing a plasma reactor, waste to be treated and a glass-forming host slag material; contacting within the plasma reactor the waste and the host slag material; and treating the waste and the host slag material using a plasma treatment to melt the host slag material and incorporate inorganic components of the waste within the host slag material, wherein the plasma is generated using an arc and the arc is passed through the host slag material.
摘要翻译：一种处理危险废物的方法，包括提供等离子体反应器，待处理废物和形成玻璃的主体渣料的步骤; 在等离子体反应器内接触废物和主体渣料; 以及使用等离子体处理来处理废物和主体渣料，以熔化主体渣料并将废物的无机成分并入主渣料中，其中使用电弧产生等离子体，并且电弧通过主渣渣材料。

6. 发明申请

US20100115961A1 WASTE TREATMENT PROCESS AND APPARATUS 有权
标题翻译：废物处理工艺和装置
公开(公告)号：US20100115961A1
公开(公告)日：2010-05-13
申请号：US12689932
申请日：2010-01-19
申请人： Chris Chapman , David Ovens , David Deegan , Saeed Ismail
发明人： Chris Chapman , David Ovens , David Deegan , Saeed Ismail
IPC分类号： F02C3/28 , C10B57/00
CPC分类号： F23G5/027 , F23G5/006 , F23G5/02 , F23G5/085 , F23G5/30 , F23G5/46 , F23G2201/303 , F23G2201/304 , F23G2201/40 , F23G2203/50 , F23G2204/201 , F23G2206/203 , F23G2900/50208 , Y02E20/12
摘要： A process for the treatment of waste, the process comprising either a gasification step or a pyrolysis step to produce an offgas and a non-airborne, solid char material; followed by a plasma treatment step. An associated apparatus having a plasma treatment unit which is separate from the gasification unit or pyrolysis unit.
摘要翻译：用于处理废物的方法，该方法包括气化步骤或热解步骤以产生废气和非空气传播的固体炭材料; 随后进行等离子体处理步骤。具有与气化单元或热解单元分离的等离子体处理单元的相关装置。

7. 发明授权

US08404919B2 Treatment of nuclear sludge 有权
标题翻译：核污泥处理
公开(公告)号：US08404919B2
公开(公告)日：2013-03-26
申请号：US12522085
申请日：2007-09-19
申请人： David Deegan , Chris Chapman , Saeed Ismail
发明人： David Deegan , Chris Chapman , Saeed Ismail
IPC分类号： G21F9/20
CPC分类号： C03B5/005 , C03B5/025 , C03B2211/70 , G21F9/16 , G21F9/28 , G21F9/30 , Y02P40/52
摘要： A method for treating nuclear sludge comprising subjecting the nuclear sludge to a plasma treatment in a plasma chamber to melt at least some of the inorganic components of the sludge, wherein the plasma chamber comprises a crucible having a cooled inner surface, this surface cooled sufficiently such that the inorganic components in contact with the inner surface are in a solid state and form a barrier between the part of surface of the crucible with which they are in contact and the molten inorganic components of the sludge.
摘要翻译：一种用于处理核污泥的方法，包括使核污泥在等离子体室中进行等离子体处理，以熔化污泥的至少一些无机成分，其中等离子体室包括具有冷却的内表面的坩埚，该表面充分冷却与内表面接触的无机成分处于固体状态，并在与之接触的坩埚的表面部分和污泥的熔融无机成分之间形成阻挡层。

8. 发明授权

US08062616B2 Method for treating spent pot liner 有权
标题翻译：处理废锅炉的方法
公开(公告)号：US08062616B2
公开(公告)日：2011-11-22
申请号：US12532948
申请日：2008-03-26
申请人： Chris Chapman , Hao Ly , David Deegan
发明人： Chris Chapman , Hao Ly , David Deegan
IPC分类号： A62D3/00
CPC分类号： A62D3/19 , A62D1/0057 , A62D2101/40 , A62D2101/45 , A62D2101/49
摘要： The present invention relates to a method for treating spent pot liner material (SPL) containing carbon and/or an inorganic material, the method comprising: providing a plasma furnace having first and second electrodes for generating plasma and a crucible having a non-electrically conductive inner surface, heating the SPL material in the crucible in the presence of a flux material and an oxidant by passing an arc between the first and second electrodes via the SPL material to form a molten slag material and convert at least some of the carbon in the SPL material to CO and/or CO2 and/or incorporate at least some of the inorganic material into the molten slag material.
摘要翻译：本发明涉及一种处理含有碳和/或无机材料的废锅内衬材料（SPL）的方法，该方法包括：提供具有用于产生等离子体的第一和第二电极的等离子体炉和具有非导电性的坩埚内表面，通过经由SPL材料在第一和第二电极之间通过电弧而在助焊剂材料和氧化剂存在的情况下加热坩埚中的SPL材料，以形成熔融炉渣材料，并将至少一些碳在 SPL材料到CO和/或CO 2和/或将至少一些无机材料引入熔融渣料中。

9. 发明申请

US20100069698A1 TREATMENT OF NUCLEAR SLUDGE 有权
标题翻译：处理核泥沙
公开(公告)号：US20100069698A1
公开(公告)日：2010-03-18
申请号：US12522085
申请日：2007-09-19
申请人： David Deegan , Chris Chapman , Saeed Ismail
发明人： David Deegan , Chris Chapman , Saeed Ismail
IPC分类号： G21F9/04
CPC分类号： C03B5/005 , C03B5/025 , C03B2211/70 , G21F9/16 , G21F9/28 , G21F9/30 , Y02P40/52
摘要： A method for treating nuclear sludge comprising subjecting the nuclear sludge to a plasma treatment in a plasma chamber to melt at least some of the inorganic components of the sludge, wherein the plasma chamber comprises a crucible having a cooled inner surface, this surface cooled sufficiently such that the inorganic components in contact with the inner surface are in a solid state and form a barrier between the part of surface of the crucible with which they are in contact and the molten inorganic components of the sludge.
摘要翻译：一种用于处理核污泥的方法，包括使核污泥在等离子体室中进行等离子体处理，以熔化污泥的至少一些无机成分，其中等离子体室包括具有冷却的内表面的坩埚，该表面充分冷却与内表面接触的无机成分处于固体状态，并在与之接触的坩埚的表面部分和污泥的熔融无机成分之间形成阻挡层。

10. 发明申请

US20080097137A1 Waste Treatment Process and Apparatus 有权
标题翻译：废物处理过程和设备
公开(公告)号：US20080097137A1
公开(公告)日：2008-04-24
申请号：US11577336
申请日：2006-06-06
申请人： Chris Chapman , David Ovens , David Deegan , Saeed Ismail
发明人： Chris Chapman , David Ovens , David Deegan , Saeed Ismail
IPC分类号： A62D3/40 , A62D3/19
CPC分类号： F23G5/46 , F23G5/006 , F23G5/02 , F23G5/027 , F23G5/085 , F23G5/30 , F23G2201/303 , F23G2201/304 , F23G2201/40 , F23G2203/50 , F23G2204/201 , F23G2206/203 , F23G2900/50208 , Y02E20/12
摘要： The present invention provides a process for the treatment of waste, the process comprising a gasification step comprising treating the waste in a gasification unit in the presence of oxygen and steam to produce an offgas and a char, and a plasma treatment step comprising subjecting the offgas and the char to a plasma treatment in a plasma treatment unit in the presence of oxygen and steam. An apparatus for carrying out the process is also provided.
摘要翻译：本发明提供了一种处理废物的方法，该方法包括气化步骤，包括在氧气和蒸汽存在下处理气化单元中的废物以产生废气和焦炭，以及等离子体处理步骤，包括使废气以及在氧气和蒸汽的存在下在等离子体处理单元中进行等离子体处理的焦炭。还提供了一种用于执行该过程的装置。

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