公开(公告)号：US06727099B2

公开(公告)日：2004-04-27

申请号：US09906696

申请日：2001-07-18

申请人： Myung-Suk Chun ,  Jae-Jin Kim ,  Sang Yup Lee

发明人： Myung-Suk Chun ,  Jae-Jin Kim ,  Sang Yup Lee

IPC分类号： G01N27416

CPC分类号： G01N27/60 ,  B01D61/12 ,  B01D61/22 ,  B01D65/08 ,  B01D65/10 ,  B01D2321/22 ,  Y10T436/25375

摘要： The present invention relates to an apparatus for monitoring the progress of membrane fouling that occurs on pores as well as on the surface of a membrane by means of variations of zeta potential (&zgr;) of a hollow-fiber membrane according to time passage of filtration of a suspension, wherein colloid particles, biopolymers and other inorganic particles are dispersed, and the method thereof. Moreover, the present invention also relates to a method to identify the effect of concentration polarization layer and cake layer which can vary according to the axial position of a hollow-fiber and the developing progress of a membrane fouling by measuring the position-dependent zeta potential of the hollow-fiber membrane.

摘要翻译： 本发明涉及一种用于通过中空纤维膜的ζ电位（ζ）的变化来监测在孔和膜的表面上发生的膜污染进程的装置， 其中分散有胶体颗粒，生物聚合物和其它无机颗粒的悬浮液及其方法。 此外，本发明还涉及一种鉴定浓缩偏振层和滤饼层的效果的方法，其可以根据中空纤维的轴向位置而变化，并且通过测量位置依赖性ζ电位来测量膜污染的发展进展 的中空纤维膜。

公开(公告)号：US06939719B2

公开(公告)日：2005-09-06

申请号：US10821856

申请日：2004-04-12

申请人： Myung-Suk Chun ,  Jae-Jin Kim ,  Sang Yup Lee

发明人： Myung-Suk Chun ,  Jae-Jin Kim ,  Sang Yup Lee

IPC分类号： B01D61/12 ,  B01D61/22 ,  B01D65/08 ,  B01D65/10 ,  G01N1/18 ,  G01N1/38 ,  G01N9/12 ,  G01N27/26 ,  G01N27/60 ,  G01N27/416

CPC分类号： G01N27/60 ,  B01D61/12 ,  B01D61/22 ,  B01D65/08 ,  B01D65/10 ,  B01D2321/22 ,  Y10T436/25375

摘要： The present invention relates to an apparatus for monitoring the progress of membrane fouling that occurs on pores as well as on the surface of a membrane by means of variations of zeta potential (ζ) of a hollow-fiber membrane according to time passage of filtration of a suspension, wherein colloid particles, biopolymers and other inorganic particles are dispersed, and the method thereof. Moreover, the present invention also relates to a method to identify the effect of concentration polarization layer and cake layer which can vary according to the axial position of a hollow-fiber and the developing progress of a membrane fouling by measuring the position-dependent zeta potential of the hollow-fiber membrane.

摘要翻译： 本发明涉及一种用于通过中空纤维膜的ζ电位（ζ）的变化来监测在孔和膜的表面上发生的膜污染进程的装置， 其中分散有胶体颗粒，生物聚合物和其它无机颗粒的悬浮液及其方法。 此外，本发明还涉及一种鉴定浓缩偏振层和滤饼层的效果的方法，其可以根据中空纤维的轴向位置而变化，并且通过测量位置依赖性ζ电位来测量膜污染的发展进展 的中空纤维膜。

公开(公告)号：US06463790B1

公开(公告)日：2002-10-15

申请号：US09678829

申请日：2000-10-04

申请人： Myung-Suk Chun ,  Jae-Jin Kim ,  Sang-Yup Lee

发明人： Myung-Suk Chun ,  Jae-Jin Kim ,  Sang-Yup Lee

IPC分类号： G01N1104

CPC分类号： B01D65/102 ,  B01D61/22 ,  G01N15/0826 ,  G01N2015/0088 ,  G01N2015/086

摘要： A membrane filtration method and an apparatus for continuously monitoring the state of a membrane during the filtration, particularly for membrane fouling due to cake or gel layers of solutes developed on the surfaces of a filtered membrane, by estimating a membrane potential and a membrane solute rejection while making measurements of a set of physical properties of feed, variations of a streaming potential difference across pores of the membrane, variation in pressure differences between an upstream side and a downstream side of the membrane, and concentration differences between the feed and permeate filtered through the membrane.

摘要翻译： 一种膜过滤方法和用于连续监测过滤期间膜的状态的装置，特别是由于滤膜表面上形成的溶质的饼状物或凝胶层而导致的膜污染，通过估计膜电位和膜溶质排斥 同时测量饲料的一组物理性质，穿过膜孔的流动电位差的变化，膜的上游侧和下游侧之间的压力差的变化以及通过过滤的进料和渗透物之间的浓度差异 膜。

公开(公告)号：US07709126B2

公开(公告)日：2010-05-04

申请号：US11342844

申请日：2006-01-31

申请人： Myung-Suk Chun ,  Min Suk Shim ,  Dae Ki Choi

发明人： Myung-Suk Chun ,  Min Suk Shim ,  Dae Ki Choi

IPC分类号： H01M2/00 ,  H01M8/16 ,  H01M2/14 ,  H01M2/38 ,  H02N11/00 ,  G01N27/447

CPC分类号： H01M14/00 ,  H01M8/227

摘要： Disclosed is a micro power cell capable of being applied as an energy source and utilizing a streaming potential phenomenon occurring in accordance with an electrokinetic principle when an electrolyte aqueous solution flows in the microchannels piled up in several layers. The streaming potential cell consists of a PDMS microfluidic-chip fabricated by MEMS process as well as micromachining technology. The microfluidic-chip is formed with multi microchannels radially arranged in parallel with each other around a center of a disk at a regular interval. The disk type multi microchannel can achieve uniform inflow and outflow effects. According to the invention, there is provided a cell device comprising a pile-up chip having a number of disk type microfluidic-chips with the optimal structure of flow-in and flow-out of a fluid, a distributor, a collector, an electrode insertion part, etc.

摘要翻译： 公开了一种微功率电池，其能够作为能量源使用，并且当电解质水溶液在堆积在几层中的微通道中流动时，利用根据电动原理发生的流动电位现象。 流动电池由通过MEMS工艺制造的PDMS微流控芯片以及微加工技术组成。 微流控芯片形成为以规则的间隔围绕盘的中心彼此平行地径向布置的多个微通道。 盘式多微通道可实现均匀的流入和流出效果。 根据本发明，提供了一种电池装置，其包括具有多个圆盘型微流体芯片的堆积芯片，其具有流体流入和流出的最佳结构，分配器，集电器，电极 插入部分等

公开(公告)号：US20090107844A1

公开(公告)日：2009-04-30

申请号：US11926509

申请日：2007-10-29

申请人： Myung-Suk Chun ,  Tae Ha Kim

发明人： Myung-Suk Chun ,  Tae Ha Kim

IPC分类号： B01D57/02 ,  C03C15/00 ,  C23C14/34

CPC分类号： C23C14/165 ,  C23C14/042 ,  G01N27/44791

摘要： Embodiments of the present invention may provide a microchip applicable to an electrophoresis employing UV detection and a method of manufacturing the same. The microchip of the present invention has a glass channel plate, which is formed on an upper surface thereof with a loading channel and a separation channel and is provided on the upper surface thereof with an optical slit layer made of silicon except the channel region, and a glass reservoir plate, which is formed with sample solution reservoirs and buffer solution reservoirs. The loading channel and the separation channel are formed on the channel plate by deep reactive ion etching. The sample solution reservoirs and the buffer solution reservoirs are formed in the reservoir plate by sand blasting. The channel plate and the reservoir plate are combined by anodic bonding the optical slit layer and the reservoir plate. Electrodes for sample and electrodes for buffer are deposited by sputtering Pt with a shadow mask after anodic bonding.

摘要翻译： 本发明的实施方式可以提供适用于使用UV检测的电泳的微芯片及其制造方法。 本发明的微芯片具有玻璃通道板，其在其上表面上形成有加载通道和分离通道，并且在其上表面上设置除了通道区域之外的由硅制成的光学狭缝层，以及 一个玻璃储存器板，形成有样品溶液储存器和缓冲溶液储存器。 通过深反应离子蚀刻在通道板上形成加载通道和分离通道。 样品溶液储层和缓冲液储层通过喷砂形成在储层板中。 通过阳极接合光学狭缝层和储存器板来组合通道板和储存器板。 样品电极和缓冲液电极在阳极接合后用阴罩溅射Pt沉积。

公开(公告)号：US20060083661A1

公开(公告)日：2006-04-20

申请号：US10969292

申请日：2004-10-19

申请人： Myung-Suk Chun ,  Nak Choi

发明人： Myung-Suk Chun ,  Nak Choi

IPC分类号： G01N1/10

CPC分类号： H02N3/00

摘要： The invention relates to a new micro power cell applying the microfluidic-chip with multi-channel type. The streaming potential is the main thrust, which is created by Helmholtz-Smoluchowski's electrokinetic principle when electrolytic solution flows through a microchannel. The microfluidic-chip comprises an inflow port, a distributor, a multi-channel, a collector, an outflow port, and a pair of electrodes. The present invention could be applied to a new power source of clean energy.

摘要翻译： 本发明涉及一种应用具有多通道类型的微流体芯片的新型微功率电池。 流动潜力是主要的推力，它是由亥姆霍兹斯莫洛库斯基的电动原理在电解液流过微通道时产生的。 微流体芯片包括流入端口，分配器，多通道，集电器，流出端口和一对电极。 本发明可以应用于新能源清洁能源。

公开(公告)号：US08025776B2

公开(公告)日：2011-09-27

申请号：US11926509

申请日：2007-10-29

申请人： Myung-Suk Chun ,  Tae Ha Kim

发明人： Myung-Suk Chun ,  Tae Ha Kim

IPC分类号： C23C14/34

CPC分类号： C23C14/165 ,  C23C14/042 ,  G01N27/44791

摘要： Embodiments of the present invention may provide a microchip applicable to an electrophoresis employing UV detection and a method of manufacturing the same. The microchip of the present invention has a glass channel plate, which is formed on an upper surface thereof with a loading channel and a separation channel and is provided on the upper surface thereof with an optical slit layer made of silicon except the channel region, and a glass reservoir plate, which is formed with sample solution reservoirs and buffer solution reservoirs. The loading channel and the separation channel are formed on the channel plate by deep reactive ion etching. The sample solution reservoirs and the buffer solution reservoirs are formed in the reservoir plate by sand blasting. The channel plate and the reservoir plate are combined by anodic bonding the optical slit layer and the reservoir plate. Electrodes for sample and electrodes for buffer are deposited by sputtering Pt with a shadow mask after anodic bonding.

摘要翻译： 本发明的实施方式可以提供适用于使用UV检测的电泳的微芯片及其制造方法。 本发明的微芯片具有玻璃通道板，其在其上表面上形成有加载通道和分离通道，并且在其上表面上设置除了通道区域之外的由硅制成的光学狭缝层，以及 一个玻璃储存器板，形成有样品溶液储存器和缓冲溶液储存器。 通过深反应离子蚀刻在通道板上形成加载通道和分离通道。 样品溶液储层和缓冲液储层通过喷砂形成在储层板中。 通过阳极接合光学狭缝层和储存器板来组合通道板和储存器板。 样品电极和缓冲液电极在阳极接合后用阴罩溅射Pt沉积。

公开(公告)号：US07674545B2

公开(公告)日：2010-03-09

申请号：US10969292

申请日：2004-10-19

申请人： Myung-Suk Chun ,  Nak Won Choi

发明人： Myung-Suk Chun ,  Nak Won Choi

IPC分类号： H01M2/00 ,  B01L3/02

CPC分类号： H02N3/00

摘要： The invention relates to a new micro power cell applying the microfluidic-chip with multi-channel type. The streaming potential is the main thrust, which is created by Helmholtz-Smoluchowski's electrokinetic principle when electrolytic solution flows through a microchannel. The microfluidic-chip comprises an inflow port, a distributor, a multi-channel, a collector, an outflow port, and a pair of electrodes. The present invention could be applied to a new power source of clean energy.

摘要翻译： 本发明涉及一种应用具有多通道类型的微流体芯片的新型微功率电池。 流动潜力是主要的推力，它是由亥姆霍兹斯莫洛库斯基的电动原理在电解液流过微通道时产生的。 微流体芯片包括流入端口，分配器，多通道，集电器，流出端口和一对电极。 本发明可以应用于新能源清洁能源。

公开(公告)号：US20070099059A1

公开(公告)日：2007-05-03

申请号：US11342844

申请日：2006-01-31

申请人： Myung-Suk Chun ,  Min Shim ,  Dae Choi

发明人： Myung-Suk Chun ,  Min Shim ,  Dae Choi

IPC分类号： H01M8/02 ,  H01M8/24

CPC分类号： H01M14/00 ,  H01M8/227

摘要： Disclosed is a micro power cell capable of being applied as an energy source and utilizing a streaming potential phenomenon occurring in accordance with an electrokinetic principle when an electrolyte aqueous solution flows in the microchannels piled up in several layers. The streaming potential cell consists of a PDMS microfluidic-chip fabricated by MEMS process as well as micromachining technology. The microfluidic-chip is formed with multi microchannels radially arranged in parallel with each other around a center of a disk at a regular interval. The disk type multi microchannel can achieve uniform inflow and outflow effects. According to the invention, there is provided a cell device comprising a pile-up chip having a number of disk type microfluidic-chips with the optimal structure of flow-in and flow-out of a fluid, a distributor, a collector, an electrode insertion part, etc.

摘要翻译： 公开了一种微功率电池，其能够作为能量源使用，并且当电解质水溶液在堆积在几层中的微通道中流动时，利用根据电动原理发生的流动电位现象。 流动电池由通过MEMS工艺制造的PDMS微流控芯片以及微加工技术组成。 微流控芯片形成为以规则的间隔围绕盘的中心彼此平行地径向布置的多个微通道。 盘式多微通道可实现均匀的流入和流出效果。 根据本发明，提供了一种电池装置，其包括具有多个圆盘型微流体芯片的堆积芯片，其具有流体流入和流出的最佳结构，分配器，集电器，电极 插入部分等

公开(公告)号：US07045482B2

公开(公告)日：2006-05-16

申请号：US10452220

申请日：2003-06-03

申请人： Myung-Suk Chun ,  In Kyu Song ,  Suk Woo Nam

发明人： Myung-Suk Chun ,  In Kyu Song ,  Suk Woo Nam

IPC分类号： B01J27/18 ,  B01J21/02 ,  B01J21/06 ,  C07C51/235

CPC分类号： C07C51/235 ,  B01J27/188 ,  B01J37/031 ,  B01J38/68 ,  C07C51/252 ,  Y02P20/584 ,  C07C57/04

摘要： The present invention relates to a method for preparing a heteropolyacid catalyst and method for preparing methacrylic acid using thereof. More particularly, the present invention relates to a method for preparing heteropolyacid catalyst, which is produced by the recrystallization of a heteropolyacid and/or its salt dissolved in a basic organic solvent and heat-treatment, and further to a method for preparing metachrylic acid using thereof, wherein the use of the heteropolyacid catalyst increases the activity of oxidation reaction induced by the modified electronic properties of heteropolyanions and provides high efficiency production of methacrylic acid from methacrolein, since the basic property of solvent inhibits peculiar acidic property of heteropolyacid.

摘要翻译： 本发明涉及一种制备杂多酸催化剂的方法及其制备方法。 更具体地说，本发明涉及一种制备杂多酸催化剂的方法，该方法是通过将杂多酸和/或其盐溶解在碱性有机溶剂中进行重结晶并进行热处理制备的，进一步涉及一种使用 其中杂多酸催化剂的使用增加了由杂多阴离子改性的电子性质引起的氧化反应的活性，并由甲基丙烯醛高效生产甲基丙烯酸，因为溶剂的碱性可以抑制杂多酸的特殊酸性。