Deasphalted is a term used to describe a substance or material that has had its asphalt removed. Some synonyms for deasphalted include unasphalted, demineralized, de-oiled, or decarbonized. These terms all imply a process of removing asphalt from a material, whether it is oil, dirt, or other organic matter. Deasphalted can also be described as depitched or devolatilized, indicating that the asphalt or other volatile compounds have been removed. These synonyms are useful for describing the industrial process of refining crude oil, waste management, or environmental cleanup efforts. In all cases, deasphalted or its synonyms indicate a substance that has had unwanted impurities or contaminants removed.