公开(公告)号：KR101309253B1

公开(公告)日：2013-09-17

申请号：KR1020110060341

申请日：2011-06-21

Applicant: 한양대학교 산학협력단

Inventor： 박재우 ,  장준원 ,  김령주 ,  여인환 ,  이한욱 ,  조은경

IPC: C07F15/02 ,  B01J20/22 ,  B01J20/28 ,  C02F1/62

Abstract: 본 발명은 자성중심 덴드리머및 이를 이용한 오염물질 제거 방법으로서, -EDTA, -COOH, -OH, -CH
3 말단기를 갖는 자성중심 덴드리머를 합성하여, 다양한 종류의 오염물질을 효과적으로 분리 및 제거할 수 있다.

公开(公告)号：KR1020130008373A

公开(公告)日：2013-01-22

申请号：KR1020110069082

申请日：2011-07-12

Applicant: 한양대학교 산학협력단

Inventor： 김령주 ,  박재우 ,  장준원

IPC: C08G83/00 ,  C08G85/00 ,  B01J31/28

Abstract: PURPOSE: A photoresponsible magnetic-cored dendrimer and a manufacturing method thereof are provided to be collected by magnetic separation after reaction. CONSTITUTION: A photoresponsible magnetic-cored dendrimer comprises recurring unit represented by chemical formula(1). In the chemical formula (1), MNP indicates magnetic nanoparticles, and n indicates integer of 1 or higher. The MNP is iron nano particle. The MNP (magnetic nano particle) is iron nano particle having crystalline form of magnetite(Fe3O4) or maghemite (γ-Fe2O3). The optical catalyst comprises optical response type magnetism center dendrimer including the recurring units of the chemical formula(1).

Abstract translation: 目的：提供光反应性磁芯树枝状聚合物及其制造方法，通过反应后的磁选进行收集。 构成：光电磁芯树枝状聚合物包含由化学式（1）表示的重复单元。 在化学式（1）中，MNP表示磁性纳米粒子，n表示1以上的整数。 MNP是铁纳米颗粒。 MNP（磁性纳米颗粒）是具有磁铁矿（Fe 3 O 4）或磁赤铁矿（γ-Fe 2 O 3）结晶形式的铁纳米颗粒。 光学催化剂包括光学响应型磁中心树枝状聚合物，其包括化学式（1）的重复单元。

公开(公告)号：KR1020120004327A

公开(公告)日：2012-01-12

申请号：KR1020110059712

申请日：2011-06-20

Applicant: 한양대학교 산학협력단 ,  효림산업주식회사

Inventor： 박재우 ,  장준원

IPC: C02F1/48 ,  C02F1/28 ,  B01D35/06 ,  C02F1/62

CPC classification number: C02F1/48 ,  B01D35/06 ,  C02F1/28 ,  C02F1/62 ,  C02F2201/002

Abstract: PURPOSE: An apparatus for treating sewage and wastewater containing magnetic nanoparticles are provided to reuse collected magnetic nanoparticles and magnetic powder and to minimize the installing area of the apparatus by integrating a stirring unit and a purifying unit. CONSTITUTION: An apparatus for treating sewage and wastewater containing magnetic nanoparticles includes a wastewater bath(113), a plurality of magnetic bars(112), an absorber storing bath(136), and a stirring unit(115). The wastewater bath includes a body(113a) and a cover(113b). Wastewater containing magnetic nanoparticles is introduced into the body. The cover is loaded on the upper side of the body. The magnetic bars are combined with the cover and generate magnetic force. The absorber storing bath supplies magnetic powder absorbing the magnetic nanoparticles into the wastewater bath. The stirring unit is arranged in the wastewater bath to stir the wastewater and the magnetic powder.

Abstract translation: 目的：提供一种用于处理含有磁性纳米颗粒的污水和废水的设备，以重新利用收集的磁性纳米颗粒和磁粉，并通过集成搅拌单元和净化单元来最小化设备的安装面积。 构成：用于处理含有磁性纳米颗粒的污水和废水的设备包括废水浴（113），多个磁棒（112），吸收剂储存槽（136）和搅拌单元（115）。 废水槽包括主体（113a）和盖（113b）。 将含有磁性纳米颗粒的废水引入体内。 盖子装载在身体的上侧。 磁棒与盖组合并产生磁力。 吸收剂储存槽将磁性纳米颗粒吸收到废水浴中。 将搅拌单元布置在废水浴中以搅拌废水和磁粉。

公开(公告)号：KR1020090061507A

公开(公告)日：2009-06-16

申请号：KR1020070128534

申请日：2007-12-11

Applicant: 한양대학교 산학협력단

Inventor： 유창식 ,  조준기 ,  박재우 ,  신성철

IPC: H03M1/12

CPC classification number: H03M1/502 ,  H03M1/002 ,  H03M1/1205 ,  H03M1/362 ,  H03M2201/1172 ,  H03M2201/2216 ,  H03M2201/2372 ,  H03M2201/322 ,  H03M2201/61

Abstract: An analog to digital converter and an analog to digital converting method are provided to reduce power consumption and a chip size in comparison with the analog to digital converter comprised of a plurality of comparators comprised of pre-amplifiers. A reference voltage generator(10) generates a plurality of different reference voltages. A delay unit(20) changes a size of an analog input signal and the size and difference of a plurality of reference voltages into the delay time difference of an inputted clock. A phase detector(30) detects the delay time difference of the clock and generates the detection signal. A code generator(100) receives the detection signal and converts the detection signal into an N bit digital signal which increases as the analog input signal increases. The delay unit includes a first delay cell and a second delay cell. The first delay cell receives the clock and delays the clock as much as the first delay time according to the analog input signal. The second delay cell receives the clock and delays the clock as much as the second delay time according to the one reference voltage among the plurality of reference voltages.

Abstract translation: 与由前置放大器组成的多个比较器组成的模数转换器相比，提供了模数转换器和模数转换方法来降低功耗和芯片尺寸。 参考电压发生器（10）产生多个不同的参考电压。 延迟单元（20）将模拟输入信号的大小和多个参考电压的大小和差异改变为输入时钟的延迟时间差。 相位检测器（30）检测时钟的延迟时间差并产生检测信号。 代码生成器（100）接收检测信号，并将检测信号转换成随着模拟输入信号增加而增加的N位数字信号。 延迟单元包括第一延迟单元和第二延迟单元。 第一延迟单元接收时钟，并根据模拟输入信号将时钟延迟到第一延迟时间。 第二延迟单元接收时钟，并根据多个参考电压中的一个参考电压将时钟延迟多达第二延迟时间。

公开(公告)号：KR100852496B1

公开(公告)日：2008-08-18

申请号：KR1020070007413

申请日：2007-01-24

Applicant: 한양대학교 산학협력단

Inventor： 박재우 ,  장준원 ,  이주인 ,  최재영

IPC: B01J21/06 ,  B82Y30/00

CPC classification number: B01J21/063 ,  B01J35/002 ,  B01J35/004 ,  B01J37/0226 ,  B01J37/08 ,  B01J37/349 ,  C01G23/047

Abstract: A method for preparing a photocatalyst is provided to obtain a pure titanium oxide thin film and prepare an anatase type titanium oxide with excellent photocatalytic characteristics through rapid thermal annealing, and a photocatalyst prepared by the method is provided. A method for preparing a photocatalyst comprises the steps of: a) treating titanium with plasma of an electric power of 150 to 300 W at pressure condition of 7.5x10^-2 to 8.5x10^-2 mbar and a temperature condition of 25 to 350 deg.C to oxidize a surface of titanium to a thickness of 15 to 20 mum; and b) subjecting the oxidized titanium to rapid thermal annealing. The plasma treatment is performed by supplying a gas selected from the group consisting of oxygen, nitrous oxide(N2O), oxygen-containing air, and mixed gases thereof. The method comprises injecting the gas at the flow rate of 5 to 15 sccm(Standard Cubic Centimeter per Minute). The rapid thermal annealing is performed at 400 to 500 deg.C for 1 to 3 minutes. The titanium is in the form of a bulk or a thin film.

Abstract translation: 提供制备光催化剂的方法以获得纯氧化钛薄膜，并通过快速热退火制备具有优异光催化特性的锐钛矿型氧化钛，并提供通过该方法制备的光催化剂。 制备光催化剂的方法包括以下步骤：a）在7.5×10 -2至8.5×10 -2 -2巴的压力条件和25至350℃的温度条件下，用150至300W的功率的等离子体处理钛 以使钛的表面氧化成15至20μm的厚度; 和b）使氧化的钛进行快速热退火。 通过供给选自氧，一氧化二氮（N 2 O），含氧空气及其混合气体的气体来进行等离子体处理。 该方法包括以5至15sccm（标准立方厘米每分钟）的流速喷射气体。 快速热退火在400〜500℃下进行1〜3分钟。 钛是体积或薄膜的形式。

公开(公告)号：KR1020070096440A

公开(公告)日：2007-10-02

申请号：KR1020060026891

申请日：2006-03-24

Applicant: 한양대학교 산학협력단

Inventor： 박재우 ,  민지은

IPC: C02F1/28 ,  C02F103/00 ,  C02F103/06

CPC classification number: C02F1/28 ,  C02F2103/001 ,  C02F2103/007 ,  C02F2103/06

Abstract: A reactive barrier for preventing diffusion of contaminants, which is economical and environmentally friendly, and prevents the contaminants from being eluted into water by removing contaminants such as trichloroethylene and nitrate accumulated on a bed and an embankment of a river or a lake, thereby reducing concentrations of the contaminants contained in soil, is provided. As a reactive barrier for preventing diffusion of contaminants, which is laid down on the contaminated deposit to prevent the contaminants from being discharged into water from a contaminated deposit(c) containing contaminants comprising trichloroethylene and remove the contaminants contained in water, the reactive barrier comprises: humus(10) accumulated on the contaminated deposit to adsorb trichloroethylene contained in the contaminated deposit and water; and zero-valent iron(20) impregnated in the humus to reduce the trichloroethylene contained in the contaminated deposit and water.

Abstract translation: 用于防止污染物扩散的反应性屏障，其是经济和环境友好的，并且通过除去积聚在床和河流或湖泊的堤坝上的污染物例如三氯乙烯和硝酸盐来防止污染物被洗脱到水中，从而减少浓度 的污染物被提供。 作为用于防止污染物扩散的反应性屏障，其被污染的沉积物放置，以防止污染物从含有三氯乙烯的污染物的污染沉积物（c）排出到水中，并除去水中包含的污染物，反应性屏障包括 ：腐殖质（10）积聚在污染沉积物上，吸附污染沉积物和水中含有的三氯乙烯; 和浸入腐殖质中的零价铁（20）以减少污染的沉积物和水中所含的三氯乙烯。