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    • 4. 发明授权
    • Process to increase the bioleaching speed of ores or concentrates of sulfide metal species, by means of continuous inoculation with leaching solution that contains isolated microorganisms, with or without presence of native microorganisms
    • 通过连续接种含有分离的微生物的浸出溶液,有或没有天然微生物的存在,提高硫化物金属物质的矿石或浓缩物的生物浸出速度的方法
    • US07837760B2
    • 2010-11-23
    • US11862035
    • 2007-09-26
    • Pedro Antonio Morales CerdaRicardo Badilla Badilla Ohlbaum
    • Pedro Antonio Morales CerdaRicardo Badilla Badilla Ohlbaum
    • C22B15/00C22B3/18
    • C22B3/18C22B15/0071Y02P10/234Y02P10/236Y02P10/238
    • The invention publishes a process to increase the bioleaching speed of ores or concentrates of sulfide metal species in heaps, tailing dams, dumps, or other on-site operations. The process is characterized by the continuous inoculation of the ores or concentrates with isolated microorganisms of the Acidithiobacillus thiooxidans type, together with isolated microorganisms of the Acidithiobacillus ferrooxidans type, with or without native microorganisms, in such a way that the total concentration of microorganisms in the continuous inoculation flow is of around 1×107 cells/ml to 5,6×107 cells/ml. In particular, the invention publishes the continuous inoculation of Acidithiobacillus thiooxidans Licanantay DSM 17318 together with Acidithiobacillus ferrooxidans Wenelen DSM 16786 microorganisms, or with other native microorganisms at a concentration higher than 5×107 cells/ml. In addition to the inoculation of isolated bacteria, the invention includes the addition of oxidizing agents such as the ferric ion produced externally, together with nutrients in the shape of salts of ammonium, magnesium, iron, potassium, as well as air enriched continuously with carbon dioxide to promote bacterial action in the bioleaching process of ores or concentrates.
    • 本发明公开了一种增加堆积物,尾矿坝,垃圾场或其他现场操作中硫化物金属物质的矿石或精矿的生物浸出速度的方法。 该方法的特征在于用硫酸氧化硫酸杆菌类型的分离的微生物连续接种矿石或浓缩物,以及具有或不具有天然微生物的分离的氧化亚硫酸氧化亚铁杆菌的微生物,使得微生物的总浓度 连续接种流量约为1×10 7个细胞/ ml至5×10 6个细胞/ ml。 特别地,本发明与硫酸氧化硫杆菌Wenelen DSM 16786微生物或其他天然微生物以高于5×10 7个细胞/ ml的浓度连续接种硫酸氧化硫杆菌Licanantay DSM 17318。 除了接种分离的细菌外,本发明还包括加入氧化剂如外部产生的铁离子,以及铵,镁,铁,钾盐形式的营养物质,以及连续地用碳浓缩的空气 二氧化物以促进矿石或精矿的生物浸出过程中的细菌作用。
    • 10. 发明申请
    • Process for removing mercury from air or water
    • 从空气或水中去除汞的工艺
    • US20090029447A1
    • 2009-01-29
    • US11881308
    • 2007-07-26
    • Richard Huffman SquireJay Michael WiedermannRanjith Arachchige MunasingheMilson Jude LuceRichard C. Schoening
    • Richard Huffman SquireJay Michael WiedermannRanjith Arachchige MunasingheMilson Jude LuceRichard C. Schoening
    • A62D3/02C12M1/00
    • A62D3/02A62D2101/24A62D2101/43C22B3/18C22B7/006C22B43/00Y02P10/234Y02P10/238
    • The present invention provides for the removal of mercury utilizing Mer proteins. After the Mer proteins have been expressed and isolated, or alternatively using the native Mer protein complex, either can be used as a chelating agent to remove mercury from any aqueous mercury containing environment. The Mer protein may be used in a solution to bind mercury where the solution contains a Mer proteins may be reversibly attached to a removal apparatus as a Mer ligand. The Mer complex may also be used within a bioreactor to bind and reduce Hg(2+). The bioreactor may have any competent bacteria capable of producing a Mer complex attached within the bioreactor also containing an inlet and an outlet. In addition, the Mer complex may be enhanced within Mer competent bacteria by a method of enhancement that comprises the creation of a baseline of Mer competent bacterial growth, creating a stock of Mer competent bacteria growing at the baseline level and then adding baseline bacteria to successively higher levels of Hg until the bacteria can grow in 1 mM Hg. The advantage of the Mer proteins is that the mercury binding is exclusive in regards to other metals.
    • 本发明提供使用Mer蛋白去除汞。 在已经表达和分离了Mer蛋白质之后,或者使用天然的Mer蛋白质复合物,可以用作螯合剂以从任何含汞水溶液中除去汞。 Mer蛋白可以用于结合汞的溶液中,其中溶液含有Mer蛋白质可以可逆地连接到作为Mer配体的去除装置。 Mer复合物也可用于生物反应器中以结合和还原Hg(2+)。 生物反应器可以具有能够产生附着在生物反应器内的还含有入口和出口的Mer复合物的任何感染细菌。 此外,Mer复合物可以通过增强方法在Mer感受态细菌中增强,其包括产生Mer基因的有效细菌生长,产生在基线水平生长的Mer感受态细菌的存量,然后连续添加基线细菌 更高水平的Hg,直到细菌能够在1mM Hg中生长。 Mer蛋白的优点是汞结合对于其他金属是排他性的。