Remediation of petroleum-contaminated soils by fluidized thermal desorption

摘要: A novel type of fluidized bed desorber was developed for the remediation petroleum-contaminated soils at low temperature with high efficiency. Cahn balance® utilized to investigate thermal desorption behavior contaminated by various hydrocarbons. The performance fluidized-bed investigated different operating modes. Batch operation exhibited 99.9% efficiency temperatures ca. 300°C within a half hour. Continuous indicated that Q/F (the ratio mass flow rate fluidizing gas feeding soils) is less important higher (>300°C), if proper fluidization ensured. periodic shows possibility reduce off-gas volume significantly.