Feasibility Study on the Treatment of Acidic Substances in Transformer Oil with Biofilm Method
The acid value of the transformer oil is an important indicator reflecting its ageing degree.When the acid val-ue is high,the ageing of the oil is severe.The heat dissipation and fluidity will deteriorate,and the normal operation of the transformer will be seriously affected.The acidic substances in the transformer oil used in hydropower plants are mainly organic acid compounds,such as cyclic acids,aromatic acids,and fatty acids.The feasibility of the treatment of acidic substances in transformer oil with biofilm method is studied from three aspects:whether the transformer oil can be the only carbon source for the microorganisms,the growth conditions of the microorganisms in the transformer oil,and how to remove the decomposition products.Study shows that the biofilm method can be used to treat the acidic substances in the transformer oil.Although few research is done on this method currently,there will definitely be a very broad pros-pect in the regeneration of transformer oil in the future.
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