| 摘要 |
PROBLEM TO BE SOLVED: To provide an anaerobic purifying method for soil to accelerate a decomposition of an organic hardly decomposable substance by anaerobic bacteria in a bio-remediation. SOLUTION: When an organic solvent, oil and other hardly decomposable substance contained in soil or in a landfill site are decomposed and purified by anaerobic bacteria, a saponin-containing substance, nitrogen and phosphorus are supplied together with water. COPYRIGHT: (C)2004,JPO&NCIPI
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