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    • 1. 发明授权
    • Recovery of molybdenum from molybdenum bearing sulfide materials by bioleaching in the presence of iron
    • 在铁存在下通过生物浸出从含钼硫化物材料中回收钼
    • US08268037B2
    • 2012-09-18
    • US12375955
    • 2007-07-19
    • Wolfgang KummerWilfried GutknechtJames Gregory OlsonThomas R. Clark
    • Wolfgang KummerWilfried GutknechtJames Gregory OlsonThomas R. Clark
    • C22B3/18C22B3/06
    • C22B3/18C22B3/08C22B34/34Y02P10/234
    • The invention relates to a method of recovering molybdenum from a molybdenum bearing sulfide material. The material is contacted with a leaching solution in the presence of iron compounds and mesophilic or thermophilic iron oxidizing microorganisms and subsequently, a leaching process is performed by controlling the molar ratio of dissolved ferric iron to dissolved molybdenum. Preferably, a high amount and molar excess of dissolved iron is used. The presence of high concentrations of ferric iron in bioleach solutions allows iron-oxidizing microorganisms to grow and oxidize iron and bioleach molybdenite at dissolved Mo concentrations as high as 4.4 g/L. Organic metabolites were not required for protecting cells from Mo toxicity. Maximum dissolution rates depend on reactor configuration, with agglomerated material simulating heap leaching of almost 1% Mo/day, but up to 10.2% Mo/day in suspension/stirred reactor configurations, with rate highly dependent on temperature within the range of 25° C. to 40° C. The ultimate extent of Mo removal from the molybdenum bearing sulfide material is 89%. Finally, molybdenum is recovered from a leach residue of the leaching process.
    • 本发明涉及从含钼硫化物材料中回收钼的方法。 在铁化合物和嗜温或嗜热铁氧化微生物的存在下,将材料与浸出溶液接触,随后,通过控制溶解的三价铁与溶解的钼的摩尔比来进行浸出过程。 优选地,使用高量和摩尔过量的溶解铁。 在生物浸出溶液中存在高浓度的三价铁可使铁氧化微生物在溶解的Mo浓度高达4.4g / L时生长并氧化铁和生物漂白辉钼矿。 不需要有机代谢物来保护细胞免受Mo毒性。 最大溶解速率取决于反应器构型,其中模拟堆浸浸出量为1%Mo /天的聚集材料,但在悬浮/搅拌反应器构型中高达10.2%Mo /天,速率高度依赖于25℃范围内的温度 至40℃。从含钼硫化物材料除去Mo的最终程度为89%。 最后,从浸出过程的浸出残渣中回收钼。
    • 3. 发明申请
    • Process for producing hollow bodies of thermoplastic material and apparatus for same
    • 用于制造热塑性材料的空心体的方法及其装置
    • US20060001197A1
    • 2006-01-05
    • US11173123
    • 2005-07-01
    • Wolfgang Kummer
    • Wolfgang Kummer
    • B29C49/70
    • B29C49/4247B26D3/001B26D3/163B29C49/04B29C2793/009
    • The invention concerns a process and an apparatus for producing hollow bodies of thermoplastic material by means of extrusion blow molding. A tubular preform of plasticised material is expanded beyond parts of a blow molding mold enclosing it, by means of increased external pressure, wherein the preform, prior to closure of the mold halves, is spread transversely with respect to the extrusion direction and in a separation plane of the blow molding mold, in such a way that it extends between the lateral edges of the mold cavity of the blow molding mold. Prior to removal of the article from the blow molding mold, the bulge portion produced after closure of the blow molding mold is cut open along its length at each of the two sides of the mold at the respective edges extending in the extrusion direction.
    • 本发明涉及通过挤压吹塑成型制造热塑性材料的中空体的方法和装置。 通过增加的外部压力将塑化材料的管状预成型件扩展到包围其的吹塑模具的部分之外,其中在关闭半模之前,预成型件相对于挤出方向横向扩展,并且在分离 吹塑模具的平面,使得其在吹塑模具的模腔的侧边缘之间延伸。 在从吹塑模具移除物品之前,在吹塑模具关闭之后产生的凸起部分沿着在挤出方向上延伸的相应边缘处的模具两侧的每一侧沿其长度被切割。
    • 9. 发明申请
    • RECOVERY OF MOLYBDENUM FROM MOLYBDENUM BEARING SULFIDE MATERIALS BY BIOLEACHING IN THE PRESENCE OF IRON
    • 通过在铁存在下通过生物柴油回收莫来石轴承硫化物材料
    • US20090320648A1
    • 2009-12-31
    • US12375955
    • 2007-07-19
    • Wolfgang KummerWilfried GutknechtJames Gregory OlsonThomas R. Clark
    • Wolfgang KummerWilfried GutknechtJames Gregory OlsonThomas R. Clark
    • C22B34/34E21B43/28
    • C22B3/18C22B3/08C22B34/34Y02P10/234
    • The invention relates to a method of recovering molybdenum from a molybdenum bearing sulfide material. The material is contacted with a leaching solution in the presence of iron compounds and mesophilic or thermophilic iron oxidizing microorganisms and subsequently, a leaching process is performed by controlling the molar ratio of dissolved ferric iron to dissolved molybdenum. Preferably, a high amount and molar excess of dissolved iron is used. The presence of high concentrations of ferric iron in bioleach solutions allows iron-oxidizing microorganisms to grow and oxidize iron and bioleach molybdenite at dissolved Mo concentrations as high as 4.4 g/L. Organic metabolites were not required for protecting cells from Mo toxicity. Maximum dissolution rates depend on reactor configuration, with agglomerated material simulating heap leaching of almost 1% Mo/day, but up to 10.2% Mo/day in suspension/stirred reactor configurations, with rate highly dependent on temperature within the range of 25° C. to 40° C. The ultimate extent of Mo removal from the molybdenum bearing sulfide material is 89%. Finally, molybdenum is recovered from a leach residue of the leaching process.
    • 本发明涉及从含钼硫化物材料中回收钼的方法。 在铁化合物和嗜温或嗜热铁氧化微生物的存在下,将材料与浸出溶液接触,随后,通过控制溶解的三价铁与溶解的钼的摩尔比来进行浸出过程。 优选地,使用高量和摩尔过量的溶解铁。 在生物浸出溶液中存在高浓度的三价铁可使铁氧化微生物在溶解的Mo浓度高达4.4g / L时生长并氧化铁和生物漂白辉钼矿。 不需要有机代谢物来保护细胞免受Mo毒性。 最大溶解速率取决于反应器构型,其中模拟堆浸浸出量为1%Mo /天的聚集材料,但在悬浮/搅拌反应器构型中高达10.2%Mo /天,速率高度依赖于25℃范围内的温度 至40℃。从含钼硫化物材料除去Mo的最终程度为89%。 最后,从浸出过程的浸出残渣中回收钼。