植物修复技术是优秀的土壤镉污染治理技术，近两年来成为研究热点。

Recently, plants remediation has been a focus of attention because it is an excellent technology in the field of harness of soil polluted by cadmium.

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分析了垃圾渗滤液污染治理技术的现状，总结了国内外各种渗滤液处理工艺的特点及处理效果。

The present status of landfill leachate pollution control technology is analyzed. The characteristic and effect of kinds of landfill leachate at home and abroad are summarized.

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光催化技术做为一种污染治理技术，应用于污水治理、气体净化、光催化杀菌和自清洁材料等方面。

As a promising technique, photocatalysis is valuable for environmental cleaning and remediation. It has been applied in water treatment, gas purification, sterilization, and self-cleaning material.

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