Study on application of activated sodium persulfate for Benzo[a]pyrene polluted soil remediation
In order to study the remediation effect of Benzo[a]pyrene polluted soil by ex-situ chemical ox-idation technology,lab scale Jar test of simulated chemical oxidation was carried out.The performance of Fe2+,quicklime,hydrogen peroxide and some other reagents on activation of sodium persulfate,was comparatively test-ed.The test results showed that,quicklime activation had the best remediation effect,followed by Fe2+ activation.A pilot scale test which choosing ways of quicklime activation and ferrous sulfate activation was carried out,the results indicated that,quicklime had a better remediation effect,and the dosage of sodium persulfate was deter-mined to be 1.0%of soil amount.Finally,about 280 tons of polluted soil was remediated in the project,the re-mediation goal was achieved.According to the cost analysis,quicklime activation is the most economical way.
Benzo[a]pyrenesodium persulfateex-situ chemical oxidationsoil remediation
万方数据
维普
