PROCEDE DE SEPARATION DES COMPOSANTS D'UN SUBSTRAT SOLIDE COMPRENANT UN SUPPORT A BASE D'OXYDE DE TERRE RARE ET DES PARTICULES D'UN METAL NOBLE, PAR DISSOLUTION SELECTIVE DU SUPPORT
    4.
    发明公开
    PROCEDE DE SEPARATION DES COMPOSANTS D'UN SUBSTRAT SOLIDE COMPRENANT UN SUPPORT A BASE D'OXYDE DE TERRE RARE ET DES PARTICULES D'UN METAL NOBLE, PAR DISSOLUTION SELECTIVE DU SUPPORT 有权
    分离固体基材组分的用微粒稀土氧化物的载体和贵金属通过载波的选择性溶解方法

    公开(公告)号:EP3172347A1

    公开(公告)日:2017-05-31

    申请号:EP15739287.9

    申请日:2015-07-20

    IPC分类号: C22B3/00 C22B59/00

    摘要: A method for treating a solid substrate comprising a support comprising, preferably consisting of, at least one oxide chosen from the oxides of a first metal chosen from the rare earths, the mixed oxides of a first metal chosen from the rare earths and at least one second metal different from the first metal, and the mixtures of an oxide of a first metal chosen from the rare earths and at least one oxide of at least one second metal different from the first metal, said support comprising at least one surface on which there are deposited particles consisting of at least one noble metal, in order to separate the first metal, the optional second metal, and the noble metal which constitutes the particles, said method comprising a step of selectively dissolving the support, during which the substrate is brought into contact with a dissolving solution comprising at least one mineral acid and at least one reducing agent for reducing the rare earth or rare earths of the support chosen from natural antioxidant molecules such as ascorbic acid, catechol, gallic acid and the mixtures of same, thereby obtaining a solution containing the first metal and the possible second metal in the dissolved state, in which there are suspended the particles consisting of the noble metal.

    摘要翻译: 一种用于处理固体基底,其包括一个支撑件,包括,优选地,从由稀土,从稀土中选择的第一金属的混合氧化物和至少一个选定的第一金属的氧化物中选择的至少一种氧化物由......组成方法 第二金属与第一金属,以及从稀土和至少一种第二金属与第一金属不同的至少一种氧化物中选择的第一金属的氧化物的混合物不同,所述支撑件包括至少一个表面,其上有 被沉积的颗粒由至少一种贵金属的,独立的,以便将第一金属,任选的第二金属,以及构成所述粒子的贵金属,所述方法包括选择性地溶解所述载体上的步骤,其在基板的提出 与溶解液包含至少一种无机酸和用于减小支撑体的稀土或稀土的至少一种还原剂接触从NAT选择 乌拉尔抗氧化剂分子:例如抗坏血酸,邻苯二酚,没食子酸和它们的混合物中,得到含有所述第一金属和所述第二金属可能在溶解状态,溶液,其中有悬浮由......组成贵金属的颗粒。

    SYSTÈME ET PROCÉDÉ POUR L'ANALYSE, PAR SPECTROMÉTRIE DE PLASMA INDUIT PAR LASER, DE LA COMPOSITION D'UNE COUCHE SUPERFICIELLE ET POUR LE PRÉLÈVEMENT D'ÉCHANTILLONS EN VUE D'ANALYSES COMPLÉMENTAIRES
    6.
    发明公开
    SYSTÈME ET PROCÉDÉ POUR L'ANALYSE, PAR SPECTROMÉTRIE DE PLASMA INDUIT PAR LASER, DE LA COMPOSITION D'UNE COUCHE SUPERFICIELLE ET POUR LE PRÉLÈVEMENT D'ÉCHANTILLONS EN VUE D'ANALYSES COMPLÉMENTAIRES 有权
    系统和方法,以便进行分析互补组成的表面层和采样的激光诱导等离子体发射光谱成功END分析

    公开(公告)号:EP2962087A1

    公开(公告)日:2016-01-06

    申请号:EP14707709.3

    申请日:2014-02-24

    申请人: AREVA NC

    IPC分类号: G01N21/71 G01N1/22 G01N1/04

    摘要: System for analysing, by laser induced plasma spectroscopy, the composition of the surface layer of a material and for taking samples with a view to performing complementary analyses or examining this superficial layer, and method related thereto. The system comprises a single pulse laser (6), for generating a pulse laser beam, able to interact with the superficial layer of the material and produce a plasma on the surface of the material (4); a device (10, 12) for focusing the laser beam onto the surface of the material; a device (18, 20) for collecting the light emitted by the plasma; and a device (22) for analysing the spectrum of the collected light and for determining the elementary composition (nature and relative concentration of the elements) of the superficial layer from this spectral analysis. According to the invention, it furthermore comprises a device (30, 32, 34) for sucking up and collecting particles representative of the superficial layer, extracted from the latter, under the effect of the laser beam, with a view to performing qualitative or quantitative complementary analyses or examininations on the basis of said particles.

    FOUR A INDUCTION ET PROCEDE DE TRAITEMENT DES DECHETS METALLIQUES A ENTREPOSER
    7.
    发明公开
    FOUR A INDUCTION ET PROCEDE DE TRAITEMENT DES DECHETS METALLIQUES A ENTREPOSER 有权
    VERFAHREN ZUR BEHANDLUNG VON ZU LAGERNDENMETALLABFÄLLENINDUKTIONSOFEN

    公开(公告)号:EP2956727A1

    公开(公告)日:2015-12-23

    申请号:EP14706804.3

    申请日:2014-02-17

    摘要: The invention relates to an induction melting furnace comprising shell (7) and a lower sole (11) forming the main part of the structure. In addition, the furnace comprises a removable inner crucible (1) formed by an inner layer (4) that is resistant to heat and to the aggressive nature of the molten bath (20), an outer layer (6) defining the crucible, and an intermediate insulating layer (5). The crucible (1) is a single-use crucible and can be stored, together with its charge, in a suitable container. Heat losses are low, even if the shell (7) is cooled. In addition, stresses due to differential thermal expansions are also very low.

    摘要翻译: 熔化感应炉与壳体(7)一起包括添加下底板(11)以形成结构的中心部分的壳体(7),可拆卸的内坩埚(1)由内阻层(4) 和熔池(20)的侵蚀性,限定坩埚的外层(6)和绝缘中间层(5)。 坩埚(1)是一次性坩埚,可以将其装入适当的容器中。 即使当壳体(7)被冷却时,热损失也很低。 由于不同的热膨胀而产生的压力也大大降低。