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    • 1. 发明授权
    • 우라늄 폐촉매의 처리방법
    • 活性尿素催化剂的处理方法
    • KR101316925B1
    • 2013-10-18
    • KR1020120111261
    • 2012-10-08
    • 한국원자력연구원한국수력원자력 주식회사
    • 김광욱이일희이근영문제권정동용
    • G21F9/28
    • C22B60/0217B01D61/44C22B60/0278G21F9/06G21F9/28Y02P10/212Y02W30/54
    • PURPOSE: A method for processing a spent uranium catalyst is provided to supply an environmentally friendly process by minimizing secondary wastes due to solutions. CONSTITUTION: Carbonate and hydrogen peroxide are added to an alkaline solution. Si that is a supporter material of a spent catalyst is precipitated. The hydrogen peroxide is added to a mixture of an acid solution and an alkaline supernatant after the Si is precipitated. The metal material of the spent catalyst is precipitated. Uranium is removed from a mixture supernatant after the metal material is precipitated. [Reference numerals] (AA) Uranium spent catalyst; (BB) Acid-alkali iterative solution; (CC) Acid 1~4 M 80-100°C; (DD) Alkali 1~4M 80-100°C; (EE) Un-dissolved solid; (FF) Thermal treatment/stabilization 500-800°C; (GG) MO_X (discarding); (HH) M: U, Sb, etc.; (II) Si precipitation; (JJ) Si refinement; (KK) SiO_2 (discharge to the environment); (LL) Fe-U precipitation pH 3-4; (MM) Thermal treatment volume reduction 500-800°C; (NN) U-FeO_X (discarding); (OO) Absorbent; (PP) Solvent residual removal pH 4-5; (QQ) Absorbent volume reduction 500-800°C; (RR) MO_2 (discarding); (SS) Electrolytic dialysis acid, alkali recovery; (TT) M: U, Fe, Al, Si, Sb, V, Mo, etc.
    • 目的:提供一种处理废铀催化剂的方法,通过最小化由于溶液引起的二次废物来提供环保工艺。 构成:将碳酸盐和过氧化氢加入到碱性溶液中。 析出作为废催化剂的载体材料的Si。 在Si沉淀后,将过氧化氢加入到酸性溶液和碱性上清液的混合物中。 废催化剂的金属材料沉淀。 在金属材料沉淀后,从混合物上清液中除去铀。 (AA)铀废催化剂; (BB)酸碱迭代溶液; (CC)酸1〜4 M 80-100℃; (DD)碱1〜4M 80-100℃; (EE)未溶解固体; (FF)热处理/稳定500-800°C; (GG)MO_X(丢弃); (HH)M:U,Sb等; (II)Si沉淀; (JJ)Si细化; (KK)SiO_2(排放到环境中); (LL)Fe-U沉淀pH 3-4; (MM)热处理体积减少500-800°C; (NN)U-FeO_X(丢弃); (OO)吸收剂; (PP)溶剂残留去除pH 4-5; (QQ)吸收体积减少500-800°C; (RR)MO_2(丢弃); (SS)电解透析酸,碱回收; (TT)M:U,Fe,Al,Si,Sb,V,Mo等
    • 2. 发明公开
    • 방사성 물질로 오염된 아스콘의 제염방법
    • 放射性污染沥青混凝土的去除方法
    • KR1020130021093A
    • 2013-03-05
    • KR1020110083410
    • 2011-08-22
    • 한국원자력연구원한국수력원자력 주식회사
    • 김광욱이근영정동용양한범이일희김계남이근우문제권
    • G21F9/30
    • G21F9/002G21F9/10G21F9/308
    • PURPOSE: A decontaminating method for an ASCON(Asphalt Concrete) contaminated with a radiation material is provided to minimize a radioactive waste by decontaminating before separating asphalt, coarse aggregates, and fine aggregates from the bulk of the ASCON for road pavement. CONSTITUTION: An ASCON contaminated by a radioactive substance is dissolved in an organic solvent and an asphalt component is separated(S100). The separated asphalt component is collected(S200). A thick aggregate and a fine aggregate which are not dissolved in an organic solvent are classified(S300). A radioactive substance is collected from the classified fine aggregate(S400). [Reference numerals] (AA) Cs-contaminated ASCON; (BB) Organic solvent; (CC) Organic solvent evaporation; (DD) Thick aggregate; (EE) Treated with acid; (FF) High concentration Cs pollutant source; (S100) Step of separating an asphalt component by dissolving an ASCON contaminated by a radioactive substance; (S200) Step of collecting the separated asphalt component; (S300) Step of classifying a thick aggregate and a fine aggregate which are not dissolved in the organic solvent; (S400) Step of collecting the radioactive substance from the classified fine aggregate
    • 目的:提供被辐射材料污染的ASCON(沥青混凝土)的净化方法,以便在分离沥青,粗骨料和从路面的大部分ASCON分离的细骨料之前通过去污去除最大限度地减少放射性废物。 构成:被放射性物质污染的ASCON溶于有机溶剂中,沥青组分被分离(S100)。 收集分离的沥青组分(S200)。 将未溶解​​在有机溶剂中的浓骨料和细骨料进行分类(S300)。 从分类的细骨料中收集放射性物质(S400)。 (标号)(AA)C 5污染的ASCON; (BB)有机溶剂; (CC)有机溶剂蒸发; (DD)厚骨料; (EE)用酸处理; (FF)高浓度Cs污染源; (S100)通过溶解被放射性物质污染的ASCON分离沥青组分的步骤; (S200)收集分离的沥青组分的步骤; (S300)对不溶于有机溶剂的粗骨料和细骨料进行分级的工序; (S400)从分级细骨料收集放射性物质的步骤
    • 6. 发明公开
    • 과산화수소를 포함하는 탄산염 용액을 이용한 (U,Gd)O2 스크랩으로부터의 우라늄 산화물 회수방법
    • 一种使用含有过氧化物的碳酸盐溶液(U,GD)O 2 SCRAP回收氧化铀的方法
    • KR1020120111219A
    • 2012-10-10
    • KR1020110029606
    • 2011-03-31
    • 한국원자력연구원한국수력원자력 주식회사
    • 김광욱이일희정동용양한범이근우문제권
    • G21F9/28G21C19/44
    • G21C19/46Y02W30/883
    • PURPOSE: A method for collecting uranium oxide is provided to increase environment friendliness by collecting the uranium oxide from a scrap which is polluted by metal oxide using carbonate solution. CONSTITUTION: Carbonate solution contains hydrogen peroxide in a (U, Gd)O2 scrap which is polluted by metal oxide. The carbonate solution is added and uranium and gadolinium oxides dissolve. Acid solution is added to uranium and gadolinium oxides and the uranium oxide is deposited. Carbon dioxide reacts to alkaline solution and is collected to carbonate. The uranium oxide which is deposited is refined by eliminating gadolinium oxide. The refined uranium oxide is washed. [Reference numerals] (AA) Step1; (BB) Step2; (CC) Carbonate solution collection; (DD) Metal contamination(U, Gd)O2 nuclear fuel scrap; (EE) Carbonate solution U dissolution; (FF) Acidification; (GG) UO4 precipitation; (HH) Acid, alkali electrolytic withdrawal; (II) Contamination metal oxide; (JJ) Acid dissolution; (LL) UO4 precipitation; (MM) Washing; (NN) Step4 and step5; (OO) UO4; (PP) U conversion
    • 目的:提供一种收集氧化铀的方法,通过从使用碳酸盐溶液的金属氧化物污染的废料中收集氧化铀来增加环境友好性。 构成:碳酸盐溶液在(U,Gd)O 2废料中含有过氧化氢,其被金属氧化物污染。 加入碳酸溶液并溶解铀和钆。 将酸溶液加入到铀和钆氧化物中,并沉积氧化铀。 二氧化碳与碱性溶液反应并收集到碳酸盐中。 通过除去氧化钆来精制沉积的氧化铀。 精制的氧化铀被洗涤。 (附图标记)(AA)步骤1; (BB)Step2; (CC)碳酸盐溶液收集; (DD)金属污染(U,Gd)O2核燃料废料; (EE)碳酸盐溶液U溶解; (FF)酸化; (GG)UO4沉淀; (HH)酸碱碱电解提取; (二)污染金属氧化物; (JJ)酸溶解 (LL)UO4沉淀; (MM)洗涤; (NN)步骤4和步骤5; (OO)UO4; (PP)U转换
    • 7. 发明公开
    • 방사성 금속폐기물 제염 폐액의 처리 방법
    • 金属废弃物去除后废物溶液的处理方法
    • KR1020140003731A
    • 2014-01-10
    • KR1020120068458
    • 2012-06-26
    • 한국원자력연구원한국수력원자력 주식회사
    • 김광욱정동용최왕규이근우문제권
    • G21F9/06
    • G21F9/12C02F1/281F23G2209/18
    • The present invention relates to a treatment method of a decontamination liquid waste of radioactive metal waste and more specifically, the present invention injects a fluid including a base into the decontamination liquid waste of the radioactive metal waste containing a metal ion and an acid, and performs electrodialysis on the decontamination liquid waste in which the metal ion is deposited as a metal hydroxide, and increases electrodialysis efficiency by solving a blocking phenomenon of an ion exchange film caused by the metal hydroxide. The present invention simplifies a decontamination process by reusing the base collected by electrodialysis in a pH control process of the decontamination liquid waste containing the metal ion and the acid, without the additional use of any chemicals in the treatment step of decontamination liquid waste, thereby reducing costs. The present invention reuses the acid collected by the electrodialysis in the decontamination process and separates and recycles the deposited metal hydroxide, thereby minimizing the generation of secondary waste in the whole decontamination process. [Reference numerals] (AA) Acid fluid decontamination process
    • 本发明涉及放射性金属废物的去污液废弃物的处理方法,更具体地说,本发明将包含碱的流体注入含有金属离子和酸的放射性金属废物的去污废液中,并执行 对作为金属氢氧化物沉积金属离子的去污液体废液进行电渗析,并且通过解决由金属氢氧化物引起的离子交换膜的阻塞现象,提高电渗析效率。 本发明通过在含有金属离子和酸的去污液废液的pH控制过程中重新利用通过电渗析收集的碱而不需要在净化废液的处理步骤中额外使用任何化学物质来简化净化过程,由此减少 成本。 本发明在去污过程中重复利用电渗析收集的酸,并分离和循环沉积的金属氢氧化物,从而最小化整个去污过程中二次废物的产生。 (标号)(AA)酸液去污工艺
    • 8. 发明公开
    • 고액분리장치 및 이를 이용한 고액분리방법
    • 固体液体分离器和使用其固体分离液体的方法
    • KR1020120111261A
    • 2012-10-10
    • KR1020110029656
    • 2011-03-31
    • 한국원자력연구원한국수력원자력 주식회사
    • 김광욱정동용이일희양한범이근우문제권
    • B01D29/64B01D35/16
    • B01D29/6469C02F1/52C02F2201/002
    • PURPOSE: A solid-liquid separating apparatus and a method for the same using the same are provided to separate settling materials generated from a chemical reaction in a solution after a filtering operation. CONSTITUTION: A solid-liquid separating apparatus includes a main body part(100) and a controller(200). The main body part includes a filter and a scrapper(50). The scrapper implements a filtering operation and scraps solid materials from the upper surface of the filter. The controller controls the main body part. The main body part further includes a frame(10), an upper container(20), a lower container, and a filter member(30). The upper container is installed at the upper part of the frame. The lower container is installed under the upper container. The filter member filters a solution from the upper container to the lower container. The scrapper is mounted at the frame. [Reference numerals] (AA) Solid-liquid separating apparatus
    • 目的:提供一种固液分离装置及其使用方法,用于在过滤操作之后分离由溶液中的化学反应产生的沉降物质。 构成:固液分离装置包括主体部(100)和控制器(200)。 主体部分包括过滤器和刮板(50)。 刮刀进行过滤操作,并从过滤器的上表面刮下固体材料。 控制器控制主体部分。 主体部还包括框架(10),上容器(20),下容器和过滤构件(30)。 上部容器安装在框架的上部。 下部容器安装在上部容器的下方。 过滤构件将溶液从上容器过滤到下容器。 刮刀安装在框架上。 (附图标记)(AA)固液分离装置