几种敏化剂对微波降解土壤中氯霉素的影响
STUDIES ON THE DEGRADATION OF CHLORAMPHENICOL IN SOIL BY MICROWAVE WITH DIFFERENT MICROWAVE ABSORBENTS
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摘要: 选用氯霉素(CAP)作为抗生素的代表,采用微波辐射技术对CAP污染土壤进行修复研究,考察了几种敏化剂(活性炭、铁粉、二氧化锰和水)对CAP处理效果的影响,结果表明,四种敏化剂对微波降解的催化效果依次为:活性炭铁粉水二氧化锰.微波修复时可利用土壤中本身存在的矿物质(如铁)作为微波吸收剂,降低修复成本.对于抗生素污染土壤,微波辐射技术是一种可行的修复技术.Abstract: This paper describes the microwave(MW)treatment of soil contaminated by chloramphenicol(CAP).Four MW absorbents,including granular activated carbon(GAC),powdered Fe,MnO2 and H2O,were used.The catalytic effect of the four MW absorbents follow the order of GACFeH2OMnO2.The mineral substance in the soil(such as Fe)can be used as MW absorbent,to reduce the remediation cost.It is suggested that MW radiation is an alternative technology for the treatment of antibiotics-contaminated soils.
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Key words:
- microwave /
- antibiotics /
- microwave absorbent /
- soil remediation
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