物理的洗浄法によるクウェートでのオイルレイクの浄化

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タイトル別名
  • Remediation and Rehabilitation of the Kuwait Oil Lake Beds.
  • ブツリテキ センジョウホウ ニ ヨル クウェート デ ノ オイルレイク ノ ジョウカ

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In-situ remediation technology has been studied for the oil-contaminated soil caused by the Gulf War in Kuwait. The developed treatment process combines solvent washing and water washing of oil-contaminated soil. After laboratory experiments, bench scale experiments, and fabrication and operation of the pilot scale plant to treat three ton per day of oil-contaminated soil, field scale experiment (thirty tons per day) was conducted.<BR>Through operation of the field scale plant, a total of 2, 500tons of oil-contaminated soil was treated. Oil and salt contamination levels in the treated soil were both reduced below 2.5wt%. Salt content in the recovered oil from the soil washing process could be reduced to less than 3, 500ppm, and API was increased to 30°, when additional heat, solvent, water and emulsion breaker were used in an ancillary process.

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