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    • 1. 发明授权
    • Material for collecting radionuclides and heavy metals
    • 用于收集放射性核素和重金属的材料
    • US4720422A
    • 1988-01-19
    • US719433
    • 1985-04-03
    • Hideo HiguchiNobuhiro Nonaka
    • Hideo HiguchiNobuhiro Nonaka
    • C02F1/28B01D39/04B01D39/16D06M11/00
    • C02F1/288C02F2101/006Y10T442/2156
    • A material is, herein disclosed for collecting radionuclides and heavy metals that comprises an acrylic fiber element having MnO.sub.2 and/or ferrocyanide compound of the formula K.sub.2 M.sup.II [Fe(CN).sub.6 ] (wherein M.sup.II is a divalent metal such as cobalt, zirconium, zinc or nickel) supported thereon. The material of the present invention is used in collecting and concentrating radionuclides present in liquid radioactive wastes discharged from nuclear power plants and other facilities using radioisotopes such as hospitals and non-destructive testing laboratories. The material is also used in collecting and concentrating radionuclides and heavy metals present in the seawater, rivers and industrial waste-water.
    • 本文公开了用于收集放射性核素和重金属的材料,其包含具有式K2MII [Fe(CN)6]的MnO 2和/或亚铁氰化物化合物的丙烯酸纤维元素(其中MII为二价金属如钴,锆,锌 或镍)。 本发明的材料用于使用放射性同位素如医院和无损检测实验室收集和浓缩从核电站和其他设施排放的液体放射性废物中存在的放射性核素。 该材料还用于收集和浓缩存在于海水,河流和工业废水中的放射性核素和重金属。
    • 10. 发明申请
    • CLEANING MEDIUM FOR REMOVING CONTAMINATION AND METHOD OF MAKING
    • 清洁中和清除污染和制造方法
    • US20090275252A1
    • 2009-11-05
    • US11946234
    • 2007-11-28
    • Ronald F. SimandlScott M. Hollenbeck
    • Ronald F. SimandlScott M. Hollenbeck
    • A47L13/16B32B5/02B32B3/26B05D5/10B32B27/04
    • A47L25/005A47L13/17B08B7/0028C02F1/285Y10T428/249955Y10T442/2156Y10T442/2738
    • A cleaning medium that includes polyisobutylene (also sometimes referred to as polybutylene or as polybutene). Cleaning media include cleaning implements, polishers, and filters. Typically a substantial portion of the polyisobutylene has a molecular weight (MW) greater than 30,000 and in some particular applications the molecular weight is around 85,000. The polyisobutylene is generally adjacent to the surface of a substrate, such as a non-woven or woven fabric. A method of making a cleaning medium is provided. The method typically involves dissolving polyisobutylene in a solvent such as hexane to form a tackifier solution, soaking the substrate in the tackifier to produce a preform, and then drying the preform to produce the cleaning medium. The cleaning media are typically used dry, without any liquid cleaning agent. In embodiments where the cleaning medium is as cleaning implement or a polisher, the surface to be cleaned is wiped with a surface of the cleaning medium adjacent to which the polyisobutylene is disposed. Vigorous wiping may be used in applications where contamination is difficult to remove. In embodiments where the cleaning medium is a filter, a fluid is passed through the cleaning medium and the cleaning medium traps particles and aerosols entrained in the fluid.
    • 包括聚异丁烯(有时也称为聚丁烯或聚丁烯)的清洁介质。 清洁介质包括清洁工具,抛光机和过滤器。 通常,大部分聚异丁烯具有大于30,000的分子量(MW),在某些特定应用中分子量约为85,000。 聚异丁烯通常与基材的表面相邻,例如无纺布或机织织物。 提供了制造清洁介质的方法。 该方法通常包括将聚异丁烯溶解在溶剂如己烷中以形成增粘剂溶液,将基底浸泡在增粘剂中以制备预成型体,然后干燥预成型体以产生清洁介质。 清洁介质通常是干燥的,没有任何液体清洁剂。 在清洁介质作为清洁工具或抛光机的实施例中,待清洁的表面用与设置聚异丁烯的清洁介质的表面擦拭。 强力擦拭可用于污染难以除去的应用场合。 在清洁介质是过滤器的实施例中,流体通过清洁介质,并且清洁介质捕获夹带在流体中的颗粒和气溶胶。