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废冷冻机油在我国习惯叫法为“废油”,国外一般叫做“用过的油”。从组成上来看,它并不完全是废物,其中变质物和杂质在废油中只占很小一部分。如能将这部分变质物和杂质用简单的工艺除去,废油就可再生成为好油。一般废冷冻油中变质物和杂质有: 1.金属粉末等机械杂质, 2.氨水; 3.炭粉; 4.氧化产生的胶质; 5.酸类,主要是油溶性有机酸; 6.添加剂消耗后产生的化合物。
Waste frozen oil used in our country as “waste oil”, commonly known as foreign “used oil.” From the composition point of view, it is not entirely waste, of which metamorphism and impurities in the waste oil only a small part. If this part of the deterioration of impurities and impurities can be removed by a simple process, the waste oil can be regenerated into a good oil. General waste oil in the metamorphic and impurities are: 1. Metal powder and other mechanical impurities, 2. Ammonia; 3. Charcoal; 4. Oxidation of gum; 5. Acids, mainly oil-soluble organic acids; The resulting compound after consumption of additives.