[水/沉积物生物基修复城市富营养化水体的研究]

[Research of urban eutrophic water repair by water/sediment biological bases].

作者信息

Zhou Hui-Hua, Song Xiao-Guang, Wu Ge, Xie Xin-Yuan

机构信息

Institute of Environmental Protection Design and Research, Zhejiang Gongshang University, Hangzhou 310005, China.

Institute of Zhejiang Environmental Protection Design & Research Co., Ltd., Hangzhou 310005, China.

出版信息

Huan Jing Ke Xue. 2013 Oct;34(10):3879-87.

PMID:24364306

Abstract

A micro power turbine water aeration system with a water biological base and a sediment biological base was independently developed, aimed at urban water eutrophication. The results showed that the average removal rates of COD, NH+4 -N, TP by the water biological base were 82. 33% , 98. 00% and 54. 73% , respectively; The sediment reduction rate achieved by the sediment biological base could reach 20% within 5 days, and aeration in the overlying water could relieve the nutrient releasing caused by the degradation of organic matter; The effect of nutrient removal and organic matter reduction in sediment by the combined ecological restoration technology was perfect in pilot scale. The average removal rates of COD, NH+4 -N, TP were 52. 0%, 33. 6% and 23.4%, respectively, and the organic content in sediment was reduced from 38. 20% to 12.20% .

摘要

自主研发了一种具有水体生物基和底泥生物基的微型动力涡轮增氧系统，用于解决城市水体富营养化问题。结果表明，水体生物基对COD、NH₄⁺-N、TP的平均去除率分别为82.33%、98.00%和54.73%；底泥生物基在5天内可使底泥减少率达到20%，上覆水曝气可缓解有机物降解引起的营养盐释放；在中试规模下，联合生态修复技术对底泥中营养盐的去除和有机物的减少效果良好。COD、NH₄⁺-N、TP的平均去除率分别为52.0%、33.6%和23.4%，底泥中的有机物含量从38.20%降至12.20%。