富营养化水体底泥污染状况及修复技术研究进展

底泥是水生生态系统的重要组成部分,修复池塘底质是保持水质稳定和防控水生生物病害的基础,也是水体富营养化防治的关键。本文介绍了水体和底泥富营养化形成的原因,描述了富营养化水体底泥的污染现状,论述了当前修复底泥使用的2种技术手段,即原位修复技术和异位修复技术,详细阐述了2种技术手段中的物理、化学、生物修复技术的研究进展,并就修复技术今后的发展方向做了概述。

Research on the pollution status of sediment of eutrophicated water and its remediation technology

Sediment is an important part of aquatic ecosystems. The remediation of sediment is an efficient way of improving water quality and preventing aquatic animal diseases, which is also needed for the control of eutrophication of water column. This article introduces the formation of eutrophication of water and sediment, and describes the pollution status of sediment of eutrophicated water, and discusses two kinds of technology of sediment remediation, in situ remediation and ex situ remediation. Both technologies based on mechanism could be divided into three types, i.e. physics remediation, chemistry remediation, and biology remediation. The development direction of the remediation technology is also summarized.