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《Journal of Safety and Environment》 2001-03
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TECHNOLOGICAL IMPLICATIONS OF PHYTOREMEDIATION AND ITS APPLICATION IN ENVIRONMENT PROTECTION

ZHOU Qi xing & SONG Yu fang (Open Laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China)  
As a safe and reliable technology for treating contamination of soil, phytoremendiation is explored in the present paper.The roots of special plants and their special rhizospheric effects through releasing natural organic matter to promote the degradation of organic pollutants and stabilization of heavy metals are emphasized.The processes of the degradation of organic pollutants by the plants are illustrated and summarized as the biodegrading processes of rhizospheres,the interactions between roots and leaves and pollutants,the excretive processes of polutants by roots and leaves,the hydroxylating processes of plants and the enzyme oxidation degradation.The relationships between types and concentrations of pollutants and metabolic degradation,action of plant cellular structure are also discussed in the present paper.Some of ecological factors influencing the security and the validity of phytoremediation are disussed.For example,plant roots and their enzyme systems,activity of soil microorganisms,soil types and physiochemical properties and climate conditions.Finally,the view of the application and the developmnt of phytoremediation,and the problems to be solved during the development of phytoremediation are pointed out.
【Fund】: 中国科学院知识创新工程资助项目 (ZKCX- 4 0 1 );; “污染生态化学”百人计划资助项目
【CateGory Index】: X173
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