Supercritical Extraction of Tar Sands Bitumen

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Experimental work on supercritical extraction of tar sands bitumen with liquid CO<SUB>2</SUB>, supercritical CO<SUB>2</SUB>, propane, n-pentane and mixtures of with water and steam has been carried out in a high-pressure stainless steel autoclave under continuous flow conditions. Variables studied were pressure, temperature, flow rate, solvent composition and sample size. For extraction with supercritical CO<SUB>2</SUB>, only 22% of the bitumen could be extracted in 60 minutes. Higher recoveries were achieved with propoane and pentane. Supercritical CO<SUB>2</SUB> and steam mixtures yielded 97% recovery of bitumen. Both CO<SUB>2</SUB> and propane resulted in high degree of de-asphalting of the bitumen extract.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 1389-1394, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002694198
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494246
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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