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    • 6. 发明申请
    • SYSTEM AND METHOD FOR NANOPARTICLE AND NANOGGLOMERATE FLUIDIZATION
    • 用于纳米颗粒和纳米粒子流化的系统和方法
    • WO2005022667A3
    • 2006-03-30
    • PCT/US2004025514
    • 2004-07-28
    • NEW JERSEY TECH INST
    • PFEFFER ROBERTNAM CAROLINE HDAVE RAJESH NLIU GUANGLIANGQUEVEDO JOSE AYU QUNZHU CHAO
    • B01F11/02B01F13/02B01F13/08B01J8/24B01J8/40B01J8/42B01J19/10H01M20060101B02C19/06
    • B01F13/0809B01F11/0266B01F13/0255B01J8/1872B01J8/40B01J8/42B01J19/10B01J2208/00681B82Y15/00
    • 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.
    • 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。