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渣油(residual oil)是原油经减压蒸馏所得的残余油,又称减压渣油。有时将从常压蒸馏塔底所得的重油称为常压渣油。渣油色黑黏稠,常温下呈半固体状,其性质与原油性质有关。渣油是石油经蒸馏加工后剩余的残渣,其比率约占加工前石油的50%,由于渣油质量差、杂质和非理想组分含量高、加工难度大,致使渣油曾作为锅炉燃料被烧掉,不仅浪费有限资源,而且对环境造成了污染。
Residual oil (residual oil) is the residual oil obtained by vacuum distillation of crude oil, also known as vacuum residue. The heavy oil obtained from the bottom of the atmospheric distillation column is sometimes referred to as atmospheric residue. Residue dark black viscous, semi-solid at room temperature, its nature and the nature of crude oil. Residue is the residual oil residue after distillation, the ratio of about 50% of pre-processing oil, due to the poor quality of residual oil, impurities and non-ideal components of high content, difficult processing, resulting residue as a boiler fuel was Burn out, not only waste limited resources, but also caused pollution to the environment.