期刊
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
卷 159, 期 1, 页码 1-10出版社
HUMANA PRESS INC
DOI: 10.1007/s12010-009-8550-y
关键词
APU particle; 2-Methylnaphthalene; Soil washing; Polymeric surfactant; Biodegradation
资金
- Korea Government (MEST) [R0A-2007-000-10015-0]
- National Research Foundation of Korea [R0A-2007-000-10015-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Amphiphilic polyurethane (APU) nano-particle enhanced the mobilization of 2-methylnaphthalene (2-MNPT) in soil. Significant increase in the solubility of 2-MNPT was achieved. The molar solubilization ratio was 0.4 (mole 2-MNPT/mole APU). Simple precipitation of APU particle by 2 N CaCl2 recovered 95% of APU particle and 92% of 2-MNPT simultaneously. Also, 2-MNPT, which was entrapped inside the APU particle, was directly degraded by Acinetobacter sp. as same efficiency as without APU particle. These results showed the potentials of APU particle in the mobilization and biodegradation of hydrophobic compounds from soil.
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