"deasphalter bottoms" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2014, R Luque, J Speight, Gasification for Synthetic Fuel Production, →ISBN:",
          "text": "The deasphalter unit is usually placed after the vacuum distillation tower, where, by the use of a low-boiling liquid hydrocarbon solvent, such as propane or butane under pressure, the insoluble asphalt-like product (deasphalter bottoms) is .separated from the feedstock.",
          "type": "quote"
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        {
          "ref": "2015, James G. Speight, Fouling in Refineries, →ISBN, page 210:",
          "text": "Propane (or sometimes propane/butane mixtures) is extensively used for deasphalting and produces a deasphalted oil (DAO) and deasphalter bottoms (propane deasphalter asphalt, PDA, PD tar) (Dunning and Moore, 1957).",
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      ],
      "glosses": [
        "A mixture of tar and asphalt that is produced as a byproduct of the deasphalting process."
      ],
      "id": "en-deasphalter_bottoms-en-noun-2uoivAxY",
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          "asphalt",
          "asphalt"
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          "deasphalting",
          "deasphalting"
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      "tags": [
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  "word": "deasphalter bottoms"
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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
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          "ref": "2014, R Luque, J Speight, Gasification for Synthetic Fuel Production, →ISBN:",
          "text": "The deasphalter unit is usually placed after the vacuum distillation tower, where, by the use of a low-boiling liquid hydrocarbon solvent, such as propane or butane under pressure, the insoluble asphalt-like product (deasphalter bottoms) is .separated from the feedstock.",
          "type": "quote"
        },
        {
          "ref": "2015, James G. Speight, Fouling in Refineries, →ISBN, page 210:",
          "text": "Propane (or sometimes propane/butane mixtures) is extensively used for deasphalting and produces a deasphalted oil (DAO) and deasphalter bottoms (propane deasphalter asphalt, PDA, PD tar) (Dunning and Moore, 1957).",
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        "A mixture of tar and asphalt that is produced as a byproduct of the deasphalting process."
      ],
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  "word": "deasphalter bottoms"
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