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公开(公告)号：US07491375B2
公开(公告)日：2009-02-17
申请号：US11084170
申请日：2005-03-21
IPC分类号： C01B33/12
CPC分类号： C01B33/18 , C01B33/183 , C01P2004/64 , C01P2006/12 , C09C1/30
摘要： Pyrogenically produced silicon dioxide powder in the form of aggregates of primary particles having a BET surface area of 200±25 m2/g, wherein the aggregates display an average surface area of 7000 to 12000 nm2, an average equivalent circle diameter (ECD) of 80 to 100 nm and an average circumference of 850 to 1050 nm. It is produced by a pyrogenic process in which silicon tetrachloride and a second silicon component comprising H3SiCl, H2SiCl2, HSiCl3, CH3SiCl3, (CH3)2SiCl2, (CH3)3SiCl and/or (n-C3H7)SiCl3 are mixed with primary air and a combustion gas and burnt into a reaction chamber, secondary air also being introduced into the reaction chamber, and the feed materials being chosen such that an adiabatic flame temperature of 1570 to 1630° C. is obtained. It can be used as a filler.
摘要翻译： 以BET表面积为200±25m 2 / g的一次粒子聚集形式的热解生成二氧化硅粉末，其中聚集体的平均表面积为7000〜12000nm 2，平均当量圆直径（ECD）为80 至100nm，平均周长为850〜1050nm。 其通过热解法制备，其中将四氯化硅和包含H3SiCl，H 2 SiCl 2，HSiCl 3，CH 3 SiCl 3，（CH 3）2 SiCl 2，（CH 3）3 SiCl和/或（n-C 3 H 7）SiCl 3的第二硅组分与一次空气和 燃烧气体并燃烧到反应室中，二次空气也被引入反应室，并且进料选择为使得绝热火焰温度为1570℃至1630℃。 它可以用作填料。
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公开(公告)号：US08118243B2
公开(公告)日：2012-02-21
申请号：US11937736
申请日：2007-11-09
申请人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
发明人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
IPC分类号： B02C19/00
CPC分类号： B01J8/32 , B01F3/18 , B01F13/02 , B01F13/0272 , B01J8/1818 , B01J8/1872 , B82Y15/00 , B82Y30/00
摘要： Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates are provided. A fluidization chamber is provided with a fluidizing medium directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nanoparticles and/or nanopowders. A second source of air/gas flow is provided with respect to the fluidization chamber, the secondary air/gas flow generally being oppositely directed relative to the fluidizing medium. Turbulence created by the secondary gas flow is advantageously effective to aerate the agglomerates and the shear generated by the jet is advantageously effective to break apart nanoagglomerates and/or reduce the tendency for nanoagglomerates to form or reform. A downwardly directed source of secondary gas flow located near the main gas distributor leads to full fluidization of the entire amount of powder in the column. The oppositely directed fluid flow facilitates powder circulation within the fluidization chamber, thereby enhancing fluidization results.
摘要翻译： 提供了用于增强纳米颗粒和/或纳米团聚体的流化的方法和系统。 流化室设置有以第一流化方向（例如向上）流入并穿过含有一定体积纳米颗粒和/或纳米粉末的床的流化介质。 相对于流化室提供第二气/气流源，二次空气/气流通常相对于流化介质相反地定向。 由二次气流产生的湍流有利于使附聚物充气，并且由射流产生的剪切有利于有效地分离纳米颗粒和/或降低纳米颗粒形成或改性的倾向。 位于主气体分配器附近的向下定向的二次气流源导致柱中全部粉末的充分流化。 相反导向的流体流动促进流化室内的粉末循环，从而增强流化结果。
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3.发明授权Purification of finely divided, pyrogenically prepared metal oxide particles 有权精细分离，热解法制备的金属氧化物颗粒的纯化公开(公告)号：US07785560B2
公开(公告)日：2010-08-31
申请号：US10567577
申请日：2004-06-22
申请人： Kai Schumacher , Juergen Flesch , Volker Hamm
发明人： Kai Schumacher , Juergen Flesch , Volker Hamm
IPC分类号： C01B13/14 , C01B7/00 , C01B33/12 , B01D53/50 , B01D53/68 , B01D53/70 , B01D47/06 , B01D11/00 , C01G23/047 , C01F7/02 , B01F1/00
CPC分类号： C01F7/021 , C01B13/145 , C01B33/18 , C01G23/075 , C01P2006/12 , C01P2006/22 , C01P2006/80 , C01P2006/90
摘要： Process for removing halide compounds adhering to finely divided metal oxide particles by means of steam, wherein the metal oxide particles are applied to the upper part of an upright column and migrate downwards by means of gravity, the steam is applied at the bottom end of the column, the metal oxide particles and the steam are fed counter-currently, the metal oxide particles freed of halide residues are removed at the base of the column, steam and halide residues are removed at the head of the column, wherein the column is heated in such a manner that the temperature difference Tbottom−Ttop between the lower part and the upper part of the column is at least 20° C. and a maximum temperature of 500° C. prevails in the column, and the metal oxide particles have a residence time in the column of from 1 second to 30 minutes.
摘要翻译： 通过蒸汽去除附着在细碎金属氧化物颗粒上的卤化物的方法，其中将金属氧化物颗粒施加到立柱的上部并通过重力向下移动，蒸汽在底部 柱，金属氧化物颗粒和蒸汽反向进料，在柱的底部除去没有卤化物残余物的金属氧化物颗粒，蒸馏和卤化物残余物在塔头被除去，其中塔被加热 使得塔的下部和上部之间的温差Tbottom-Ttop至少为20℃，塔中的最高温度为500℃，金属氧化物颗粒具有 停留时间为1秒至30分钟。
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公开(公告)号：US20080179433A1
公开(公告)日：2008-07-31
申请号：US11937736
申请日：2007-11-09
申请人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
发明人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
IPC分类号： B02C19/06
CPC分类号： B01J8/32 , B01F3/18 , B01F13/02 , B01F13/0272 , B01J8/1818 , B01J8/1872 , B82Y15/00 , B82Y30/00
摘要： Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates are provided. A fluidization chamber is provided with a fluidizing medium (e.g., a fluidizing gas) directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nanoparticles and/or nanopowders. A second source of air/gas flow is provided with respect to the fluidization chamber, the secondary air/gas flow generally being oppositely (or substantially oppositely) directed relative to the fluidizing medium. Turbulence created by the secondary gas flow, e.g., a jet from a micro-jet nozzle, is advantageously effective to aerate the agglomerates and the shear generated by the jet is advantageously effective to break apart nanoagglomerates and/or reduce the tendency for nanoagglomerates to form or reform. A downwardly directed source of secondary gas flow located near the main gas distributor leads to full fluidization of the entire amount of powder in the column. In addition, the oppositely directed fluid flow facilitates powder circulation within the fluidization chamber, thereby enhancing fluidization results. Use of oppositely directed fluid flow is believed to transition a bed that is exhibiting agglomerate bubbling fluidization (ABF) behavior into a bed that exhibits agglomerate particulate fluidization (APF) behavior
摘要翻译： 提供了用于增强纳米颗粒和/或纳米团聚体的流化的方法和系统。 流化室设置有以第一流化方向（例如向上）引导入并穿过含有一定体积的纳米颗粒和/或纳米粉末的床的流化介质（例如，流化气体）。 相对于流化室设置第二气/气流源，二次空气/气体流通常相对于流化介质相反（或大致相反地）流动。 由次级气流产生的湍流，例如来自微喷嘴的射流，有利于使附聚物充气，并且由射流产生的剪切有利于有效地分离纳米团聚体和/或降低纳米颗粒形成的趋势 或改革。 位于主气体分配器附近的向下定向的二次气流源导致柱中全部粉末的充分流化。 此外，相反导向的流体流动促进流化室内的粉末循环，从而增强流化结果。 认为使用相反导向的流体流动将使附聚发泡流化（ABF）行为的床转变为显示附聚颗粒流化（APF）行为的床
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公开(公告)号：US08550698B2
公开(公告)日：2013-10-08
申请号：US11937787
申请日：2007-11-09
申请人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
发明人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
IPC分类号： B01F13/02
CPC分类号： B01J8/32 , B01F3/18 , B01F13/02 , B01F13/0272 , B01J8/1818 , B01J8/1872 , B82Y15/00 , B82Y30/00
摘要： Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates and for mixing and blending nanoparticle/nanoagglomerate systems at the nanoscale are provided. A fluidization chamber is provided with a fluidizing medium (e.g., a fluidizing gas) directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nanoparticles and/or nanopowders. A second source of air/gas flow is provided with respect to the fluidization chamber, the secondary air/gas flow generally being oppositely (or substantially oppositely) directed relative to the fluidizing medium. Turbulence created by the secondary gas flow, e.g., a jet from a micro jet nozzle, is advantageously effective to aerate the agglomerates and the shear generated by the jet is advantageously effective to break apart nanoagglomerates and/or reduce the tendency for nanoagglomerates to form or reform. A downwardly directed source of secondary gas flow located near the main gas distributor leads to full fluidization of the entire amount of powder in the column. In addition, the oppositely directed fluid flow facilitates powder circulation within the fluidization chamber, thereby enhancing fluidization and mixing/blending results.
摘要翻译： 提供了用于增强纳米颗粒和/或纳米团聚体的流化和用于在纳米尺度下混合和混合纳米颗粒/纳米团聚体系的方法和系统。 流化室设置有以第一流化方向（例如向上）引导入并穿过含有一定体积的纳米颗粒和/或纳米粉末的床的流化介质（例如，流化气体）。 相对于流化室设置第二气/气流源，二次空气/气体流通常相对于流化介质相反（或大致相反地）流动。 由次级气流产生的湍流，例如来自微喷嘴的射流，有利于使附聚物通气，并且由射流产生的剪切有利于有效地分离纳米团聚体和/或降低纳米颗粒形成或 改革。 位于主气体分配器附近的向下定向的二次气流源导致柱中全部粉末的充分流化。 此外，相反导向的流体流动促进流化室内的粉末循环，从而增强流化和混合/混合结果。
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公开(公告)号：US20090272937A1
公开(公告)日：2009-11-05
申请号：US11722268
申请日：2005-12-20
申请人： Kai Schumacher , Martin Moerters , Juergen Flesch , Marcus Von Twistern , Volker Hamm , Matthias Schmitt , Harald Alff , Roland Schilling
发明人： Kai Schumacher , Martin Moerters , Juergen Flesch , Marcus Von Twistern , Volker Hamm , Matthias Schmitt , Harald Alff , Roland Schilling
CPC分类号： B41M5/5218 , C01F7/02 , C01F7/302 , C01P2002/72 , C01P2004/12 , C01P2004/50 , C01P2004/82 , C01P2006/11 , Y02P20/129
摘要： Aluminium oxide powder in the form of aggregates of primary- particles, which has a BET surface area of from 10 to 90 m2/g and comprises as crystalline phases, in addition to gamma- aluminium oxide and/or theta-aluminium oxide, at least 30% of delta-aluminium oxide. It is prepared by vaporizing aluminium chloride and burning the vapour together with hydrogen and air, the ratio of primary air/secondary air being 0.01 to 2, the exit speed vB of the reaction mixture from the burner being at least 10 m/s, the lambda value being 1 to 4, the gamma value being 1 to 3 and the value of gamma * vB/lambda being greater than or equal to 55. Dispersion comprising the aluminium oxide powder. Coating composition comprising the dispersion.
摘要翻译： 除了γ-氧化铝和/或θ-氧化铝之外，还具有10至90m 2 / g的BET表面积和包含作为结晶相的一次粒子聚集体形式的氧化铝粉末，至少 30％的三氧化二铝。 通过将氯化铝蒸发并与氢气和空气一起燃烧蒸气，一次空气/二次空气的比例为0.01至2，来自燃烧器的反应混合物的出口速度vB为至少10m / s， λ值为1至4，γ值为1至3，并且γ* vB /λ的值大于或等于55.分散体包含氧化铝粉末。 包含该分散体的涂料组合物。
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公开(公告)号：US08439283B2
公开(公告)日：2013-05-14
申请号：US13361485
申请日：2012-01-30
申请人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
发明人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
CPC分类号： B01J8/32 , B01F3/18 , B01F13/02 , B01F13/0272 , B01J8/1818 , B01J8/1872 , B82Y15/00 , B82Y30/00
摘要： Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates are provided. A fluidization chamber is provided with a fluidizing medium directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nanoparticles and/or nanopowders. A second source of air/gas flow is provided with respect to the fluidization chamber, the secondary air/gas flow generally being oppositely directed relative to the fluidizing medium. Turbulence created by the secondary gas flow is advantageously effective to aerate the agglomerates and the shear generated by the jet is advantageously effective to break apart nanoagglomerates and/or reduce the tendency for nanoagglomerates to form or reform. A downwardly directed source of secondary gas flow located near the main gas distributor leads to full fluidization of the entire amount of powder in the column. The oppositely directed fluid flow facilitates powder circulation within the fluidization chamber, thereby enhancing fluidization results.
摘要翻译： 提供了用于增强纳米颗粒和/或纳米团聚体的流化的方法和系统。 流化室设置有以第一流化方向（例如向上）流入并穿过含有一定体积纳米颗粒和/或纳米粉末的床的流化介质。 相对于流化室提供第二气/气流源，二次空气/气流通常相对于流化介质相反地定向。 由二次气流产生的湍流有利于使附聚物充气，并且由射流产生的剪切有利于有效地分离纳米颗粒和/或降低纳米颗粒形成或改性的倾向。 位于主气体分配器附近的向下定向的二次气流源导致柱中全部粉末的充分流化。 相反导向的流体流动促进流化室内的粉末循环，从而增强流化结果。
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公开(公告)号：US20120192449A1
公开(公告)日：2012-08-02
申请号：US13361485
申请日：2012-01-30
申请人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
发明人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
CPC分类号： B01J8/32 , B01F3/18 , B01F13/02 , B01F13/0272 , B01J8/1818 , B01J8/1872 , B82Y15/00 , B82Y30/00
摘要： Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates are provided. A fluidization chamber is provided with a fluidizing medium directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nanoparticles and/or nanopowders. A second source of air/gas flow is provided with respect to the fluidization chamber, the secondary air/gas flow generally being oppositely directed relative to the fluidizing medium. Turbulence created by the secondary gas flow is advantageously effective to aerate the agglomerates and the shear generated by the jet is advantageously effective to break apart nanoagglomerates and/or reduce the tendency for nanoagglomerates to form or reform. A downwardly directed source of secondary gas flow located near the main gas distributor leads to full fluidization of the entire amount of powder in the column. The oppositely directed fluid flow facilitates powder circulation within the fluidization chamber, thereby enhancing fluidization results.
摘要翻译： 提供了用于增强纳米颗粒和/或纳米团聚体的流化的方法和系统。 流化室设置有以第一流化方向（例如向上）流入并穿过含有一定体积纳米颗粒和/或纳米粉末的床的流化介质。 相对于流化室提供第二气/气流源，二次空气/气流通常相对于流化介质相反地定向。 由二次气流产生的湍流有利于使附聚物充气，并且由射流产生的剪切有利于有效地分离纳米颗粒和/或降低纳米颗粒形成或改性的倾向。 位于主气体分配器附近的向下定向的二次气流源导致柱中全部粉末的充分流化。 相反导向的流体流动促进流化室内的粉末循环，从而增强流化结果。
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公开(公告)号：US08197791B2
公开(公告)日：2012-06-12
申请号：US11722268
申请日：2005-12-20
申请人： Kai Schumacher , Martin Moerters , Juergen Flesch , Marcus Von Twistern , Volker Hamm , Matthias Schmitt , Harald Alff , Roland Schilling
发明人： Kai Schumacher , Martin Moerters , Juergen Flesch , Marcus Von Twistern , Volker Hamm , Matthias Schmitt , Harald Alff , Roland Schilling
IPC分类号： C01F7/00
CPC分类号： B41M5/5218 , C01F7/02 , C01F7/302 , C01P2002/72 , C01P2004/12 , C01P2004/50 , C01P2004/82 , C01P2006/11 , Y02P20/129
摘要： Aluminum oxide powder in the form of aggregates of primary-particles, which has a BET surface area of from 10 to 90 m2/g and comprises as crystalline phases, in addition to gamma-aluminum oxide and/or theta-aluminum oxide, at least 30% of delta-aluminum oxide. It is prepared by vaporizing aluminum chloride and burning the vapor together with hydrogen and air, the ratio of primary air/secondary air being 0.01 to 2, the exit speed vB of the reaction mixture from the burner being at least 10 m/s, the lambda value being 1 to 4, the gamma value being 1 to 3 and the value of gamma*vB/lambda being greater than or equal to 55. Dispersion comprising the aluminum oxide powder. Coating composition comprising the dispersion.
摘要翻译： 除了γ-氧化铝和/或θ-氧化铝之外，除了γ-氧化铝和/或θ-氧化铝之外，具有10至90m 2 / g的BET表面积和包含结晶相的一次粒子聚集体形式的氧化铝粉末至少 30％的三氧化二铝。 通过将氯化铝蒸发并与氢气和空气一起燃烧蒸气，一次空气/二次空气的比例为0.01至2，来自燃烧器的反应混合物的出口速度vB为至少10m / s， λ值为1至4，γ值为1至3，并且γ* vB /λ的值大于或等于55.分散体包含氧化铝粉末。 包含该分散体的涂料组合物。
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公开(公告)号：US20120140588A1
公开(公告)日：2012-06-07
申请号：US11937787
申请日：2007-11-09
申请人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
发明人： Robert Pfeffer , Jose A. Quevedo , Juergen Flesch
CPC分类号： B01J8/32 , B01F3/18 , B01F13/02 , B01F13/0272 , B01J8/1818 , B01J8/1872 , B82Y15/00 , B82Y30/00
摘要： Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates and for mixing and blending nanoparticle/nanoagglomerate systems at the nanoscale are provided. A fluidization chamber is provided with a fluidizing medium (e.g., a fluidizing gas) directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nanoparticles and/or nanopowders. A second source of air/gas flow is provided with respect to the fluidization chamber, the secondary air/gas flow generally being oppositely (or substantially oppositely) directed relative to the fluidizing medium. Turbulence created by the secondary gas flow, e.g., a jet from a micro jet nozzle, is advantageously effective to aerate the agglomerates and the shear generated by the jet is advantageously effective to break apart nanoagglomerates and/or reduce the tendency for nanoagglomerates to form or reform. A downwardly directed source of secondary gas flow located near the main gas distributor leads to full fluidization of the entire amount of powder in the column. In addition, the oppositely directed fluid flow facilitates powder circulation within the fluidization chamber, thereby enhancing fluidization and mixing/blending results.
摘要翻译： 提供了用于增强纳米颗粒和/或纳米团聚体的流化和用于在纳米尺度下混合和混合纳米颗粒/纳米团聚体系的方法和系统。 流化室设置有以第一流化方向（例如向上）引导入并穿过含有一定体积的纳米颗粒和/或纳米粉末的床的流化介质（例如，流化气体）。 相对于流化室设置第二气/气流源，二次空气/气体流通常相对于流化介质相反（或大致相反地）流动。 由次级气流产生的湍流，例如来自微喷嘴的射流，有利于使附聚物通气，并且由射流产生的剪切有利于有效地分离纳米团聚体和/或降低纳米颗粒形成或 改革。 位于主气体分配器附近的向下定向的二次气流源导致柱中全部粉末的充分流化。 此外，相反导向的流体流动促进流化室内的粉末循环，从而增强流化和混合/混合结果。
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