采用生物显微镜观察和微生物筛选分离技术,得到了一株产酸效率较高的真菌--黑曲霉菌并将其进行了扩大培养,发现了真菌产酸性能与接种量的基本关系.应用直接法与间接法分别对氧化镍矿进行了浸出试验,结果表明,间接法较比直接法的浸出效果更好;5%的矿浆浓度比10%的矿浆浓度浸出效果更好,11 d镍的浸出率可达63%.
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