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1. 发明申请

WO2006119301A2 FRACTAL STRUCTURED NANOAGGLOMERATES AS FILTER MEDIA 审中-公开
标题翻译：分解结构纳米粒子作为过滤介质
公开(公告)号：WO2006119301A2
公开(公告)日：2006-11-09
申请号：PCT/US2006/016858
申请日：2006-05-02
申请人： NEW JERSEY INSTITUTE OF TECHNOLOGY , PFEFFER, Robert , DAVE, Rajesh , DUKHIN, Stanislav , QUEVEDO, Jose, A.
发明人： PFEFFER, Robert , DAVE, Rajesh , DUKHIN, Stanislav , QUEVEDO, Jose, A.
IPC分类号： B01D39/02 , B01D46/30
CPC分类号： B01D46/30 , B01D39/04 , B01D46/003 , B01D2239/0258 , B01D2279/51 , Y10S977/773 , Y10S977/775 , Y10S977/776 , Y10S977/777 , Y10S977/778
摘要： Systems and methods for achieving filtration are provided that utilize agglomerates or granules of nanoparticles. The agglomerates or granules of nanoparticles may be used as and/or incorporated into a HEPA filtration system to remove solid or liquid submicron-sized particles, e.g., MPPS, in an efficient and efficacious manner. The filtration systems and methods are provided that utilize agglomerates or granules in a size range of about 100- 500 microns. The agglomerates or granules of nanoparticles exhibit a hierarchical fractal structure. In the case of agglomerates of nanoparticles, porosities of 0.9 or greater are generally employed, and for granules of nanoparticles, porosities that are smaller than 0.9 may be employed. Filter media formed from the agglomerates or granules may be formed from materials such as carbon black and fumed silica, and may be employed in baffled or non-baffled filtration apparatus.
摘要翻译：提供用于实现过滤的系统和方法，其利用纳米颗粒的附聚物或颗粒。纳米颗粒的附聚物或颗粒可以用作和/或并入HEPA过滤系统中以有效和有效的方式除去固体或液体亚微米尺寸的颗粒，例如MPPS。提供了使用约100-500微米尺寸范围内的附聚物或颗粒的过滤系统和方法。纳米颗粒的团聚体或颗粒呈现分层结构。在纳米颗粒附聚物的情况下，通常使用0.9或更大的孔隙率，并且对于纳米颗粒的颗粒，可以使用小于0.9的孔隙率。由附聚物或颗粒形成的过滤介质可以由诸如炭黑和煅制二氧化硅的材料形成，并且可以用于挡板或非挡板过滤装置中。

2. 发明申请

WO2008061015A2 FLUIDIZED BED SYSTEMS AND METHODS INCLUDING SECONDARY GAS FLOW 审中-公开
标题翻译：流化床系统和包括二次气体流量的方法
公开(公告)号：WO2008061015A2
公开(公告)日：2008-05-22
申请号：PCT/US2007/084284
申请日：2007-11-09
申请人： NEW JERSEY INSTITUTE OF TECHNOLOGY , EVONIK DEGUSSA GMBH , PFEFFER, Robert , QUEVEDO, Jose, A. , JUERGEN, Flesch
发明人： PFEFFER, Robert , QUEVEDO, Jose, A. , JUERGEN, Flesch
IPC分类号： B01J8/18 , B01J8/24 , B01J8/32 , 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 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/或纳米团聚物的流化和用于在纳米尺度上混合纳米颗粒/纳米颗粒体系的方法和系统。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，从而增强流化和混合/混合结果。

3. 发明申请

WO2005022667A2 SYSTEM AND METHOD FOR NANOPARTICLE AND NANOGGLOMERATE FLUIDIZATION 审中-公开
标题翻译：用于纳米颗粒和纳米粒子流化的系统和方法
公开(公告)号：WO2005022667A2
公开(公告)日：2005-03-10
申请号：PCT/US2004/025514
申请日：2004-07-28
申请人： NEW JERSEY INSTITUTE OF TECHNOLOGY
发明人： PFEFFER, Robert , NAM, Caroline, H. , DAVE, Rajesh, N. , LIU, Guangliang , QUEVEDO, Jose, A.
IPC分类号： H01M
CPC分类号： B01F13/0809 , B01F11/0266 , B01F13/0255 , B01J8/1872 , B01J8/40 , B01J8/42 , B01J19/10 , B01J2208/00681 , B82Y15/00
摘要： With the coupling of an external field and aeration (or a flow of another gas), nanoparticles can be smoothly and vigorously fluidized. Multiple external fields and/or pretreatment may be employed with the fluidizing gas: sieving, magnetic assistance, vibration, acoustic/sound or rotational/centrifugal forces. Any of these forces, either alone or in combination, when coupled with a fluidizing medium, provide excellent means for achieving homogenous nanofluidization. The additional force(s) help to break channels as well as provide enough energy to disrupt the strong interparticle forces, thereby establishing an advantageous agglomerate size distribution. Enhanced fluidization is reflected by at least one of the following performance-related attributes: reduced levels of bubbles within the fluidized system, reduced gas bypass relative to the fluidized bed, smooth fluidization behavior, reduced elutriation, a high level of bed expansion, reduced gas velocity levels to achieve desired fluidization performance, and/or enhanced control of agglomerate size/distribution. The fluidized nanoparticles may be coated, surface-treated and/or surfacemodified in the fluidized state. In addition, the fluidized nanoparticles may participate in a reaction, either as a reactant or a catalyst, while in the fluidized state.
摘要翻译：通过外场和通气（或另一种气体的流动）的耦合，纳米颗粒可以顺利且剧烈流化。多种外部场和/或预处理可以与流化气体一起使用：筛分，磁辅助，振动，声/声或旋转/离心力。当与流化介质结合时，单独或组合的这些力中的任何一个提供了实现均匀纳米流化的极好手段。额外的力有助于破坏通道，并提供足够的能量来破坏强大的颗粒间力，从而建立有利的聚集体尺寸分布。增强的流化反应由以下性能相关属性中的至少一个反映：流化系统内的气泡水平降低，相对于流化床的气体旁路减少，流化性能平稳，淘汰率降低，床膨胀高度降低速度水平以实现期望的流化性能，和/或增强聚集体尺寸/分布的控制。流化的纳米颗粒可以在流化状态下被涂覆，表面处理和/或表面改性。此外，流化的纳米颗粒可以在流化状态下作为反应物或催化剂参与反应。

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