【摘要】 作为全球三大生态系统之一,湿地有着巨大的生态、社会和经济效益。它不仅为人类的生产、生活提供多种资源,而且具有巨大的环境功能和效益,被誉为“地球之肾”。本文针对湿地在污水处理中应用作了一些探讨,介绍人工湿地分类、处理污水的机理、利用人工湿地处理污水的一般工艺流程以及人工湿地用作处理污水时存在的问题。更多还原

【Abstract】 Wetland, as one of the three ecosystems of the earth ,has tremendous ecological、social and economical benefits. It not only supplies kinds of resource for our product and life, but also has enormous environmental function and benefits. As a result it is called “kidney of the earth". This paper mainly discusses some questions about constructed wetland applying for wastewater treatment. It includes the categorize of constructed wetlands、the mechanism of wastewater treatment、the general techniques flow and some problems in wastewater treatment.更多还原