浸铀真菌的分离和纯化研究

Studies of Separation and Purification of Fungi for Uranium-leaching

为获得浸铀真菌纯种,应用Dox(-)培养基、沙堡培养基(SDA培养基)、PDA培养基、Dox(+)培养基进行了铀矿石中真菌的分离,挑取孢子进行了纯化培养,共获得具有产酸能力的真菌4株,其中黑曲霉1株,青霉3株.试验结果表明,铀矿石中存在大量真菌,部分真菌具有产酸能力,并且这些产酸真菌生长速度较快,具有浸铀的潜力.

To obtain purified fungi for uranium-leaching,fungi in uranium ores were separated using Dox（-）,SDA,PDA and Dox（＋） medium,then spores were picked from the plates for fungi purification.Four strains of fungi were acquired and one of them is aspergillus niger,others are Penicillium.The results demonstrate that a large number of fungi species exist in uranium ores,and some of them have the ability of producing organic acid,in addition,they have high growing velocity with the potential of being applied to uranium leaching.