Removal of polyaromatic hydrocarbons from scrap tires by solvent extraction
作者： Hyeong Seok Lee , Jung Whan Yoo
DOI: 10.1007/S11814-010-0462-6
关键词:
摘要: This study analyzes polycyclic aromatic hydrocarbon (PAH) compounds released from scrap tires by GC/MS and introduces a simple extraction process at ambient conditions to remove PAHs tires. The PAH species included seven with high molecular weight 4- 5-aromatic rings total-PAH content of 159 mg/L. When were extracted using hot water (180 °C) for 3 h, the overall removal efficiency was 53%, indicating that not adequately removed this method. However, organic solvents, improved 82% propionic acid 70% acetic acid, because mass transfer within increases decreasing dielectric constant. dependent on solvent type temperature.
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