| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique that purifies the soil contaminated with petroleum hydrocarbons, efficiently, by a bioremediation method.SOLUTION: The present invention provides a bioremediation agent comprising Awamori distillation lees as an active ingredient, a bioremediation composition comprising Awamori distillation lees and phosphorus compounds as an active ingredient, and a method of purifying petroleum hydrocarbons in the soil by spraying the soil contaminated with petroleum hydrocarbons with Awamori distillation lees and phosphorus compounds.SELECTED DRAWING: Figure 5 |
