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当今借助于氧化铁硫杆菌的作用来浸出矿石已付诸于实现。几乎在所有的情况下,细菌参与黄铁矿的氧化是主要的。本课题的研究已进行了好几年,提出的研究资料是根据在摇动锥瓶和处理能力为84升连续操作的半工业性的浸出槽中获得的。检定了在30℃时,各种参数如矿浆浓度、搅拌方式、pH值、高价铁的浓度、养分和细菌的活度与黄铁矿氧化速度的关系。描述了在反应器中测定细菌数的方法并得出一些关于在液相中自由游动的细菌和粘着于固体的细菌之间的分布结论。讨论了计算细菌所采用的方法中的某些缺点。对基于显微镜细胞(Cell)计算法和用吸收计测定的耗氧率所表示的细菌活度之间的结果作了一定的比较。
Nowadays, ore leaching with the help of Thiobacillus ferrooxidans has been put into practice. In almost all cases, the bacteria are involved in the oxidation of pyrite is the main. The subject of the study has been going on for several years and the research data presented are based on semi-industrial leach tanks with shaking conical flasks and a continuous handling capacity of 84 liters. The relationship between various parameters such as pulp concentration, agitation method, pH value, high iron concentration, nutrient and bacterial activity, and pyrite oxidation rate was examined at 30 ° C. Describes a method of determining the number of bacteria in a reactor and draws some conclusions about the distribution between bacteria swimming freely in the liquid phase and bacteria sticking to the solid. Some of the disadvantages of the method used to calculate bacteria are discussed. A comparison was made between the results of bacterial activity based on the calculation of the microscopic cell (Cell) method and the oxygen consumption rate measured with an absorption meter.