湿地式浮床去除营养盐的效果及特性研究

doi:10.11894/iwt.2019-0707

工业水处理 ›› 2020, Vol. 40 ›› Issue (7): 70-74. doi: 10.11894/iwt.2019-0707

湿地式浮床去除营养盐的效果及特性研究

寇海涛¹(),彭惠靖¹,曹文平^1,²,张卫民^1,*(),吴浩¹,李泽兵¹,曹建平¹

1. 东华理工大学水资源与环境工程学院, 江西南昌 330013
2. 江苏莲洋港环保科技有限公司, 江苏徐州 221111

收稿日期:2019-11-30 出版日期:2020-07-20 发布日期:2020-07-21
通讯作者: 张卫民 E-mail:kouhaitao2017@163.com;lyghb2019@163.com
作者简介:寇海涛(1994-), 硕士。E-mail:kouhaitao2017@163.com
基金资助:
江苏省自然科学基金(BK2011201);江西省研究生创新专项资金项目(YC2018-S344)

Research on the effect and characteristics of nutrient removal by a new combined wetland floating bed

Haitao Kou¹(),Huijing Peng¹,Wenping Cao^1,²,Weimin Zhang^1,*(),Hao Wu¹,Zebing Li¹,Jianping Cao¹

1. School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang 330013, China
2. Jiangsu LYG Environmental Protection Co., Ltd. of Technology, Xuzhou 221111, China

Received:2019-11-30 Online:2020-07-20 Published:2020-07-21
Contact: Weimin Zhang E-mail:kouhaitao2017@163.com;lyghb2019@163.com

摘要/Abstract

摘要：

为研究植物基质差异对湿地式浮床去除富营养化水体中氮磷的效果和特点，以塑料基质湿地式浮床（WFB-PS）为对照组，研究了丝竹基质的湿地式浮床（WFB-BS）去除营养盐的效果与特性。研究结果表明：WFB-BS对COD和TN去除率比WFB-PS平均高9.08%和10.02%，TP去除率差距不大。丝竹基质表面微生物膜较少，大量的细菌"穴居"在腐败后的丝竹孔洞中；而塑料基质表面缺乏足够的孔隙保护，使其表面微生物容易流失和失活。

关键词: 湿地式浮床, 除磷脱氮, 扫描电镜, 水体修复

Abstract:

To study the nutrient removal efficiency and characteristics from eutrophic water due to the different plant substrates, a wetland floating bed with plastics substrates(WFB-PS) was used as controlled group, the nutrient removal efficiency and characteristics by using a wetland floating bed with bamboo substrates(WFB-BS) was investigated. The experimental results indicated that the COD and TN removal rate of the WFB-BS was 9.08% and 10.02% higher than that of the WFB-PS on average, the TP removal rate was similar. There was few microbial film on the surface of filamentous bamboos, and a large number of bacteria "cave houses" in the holes of filamentous bamboos after corruption. However, there were a large number of biofilms on the surface of plastic matrix, which made the surface microorganism easy to lose and inactivate.

Key words: wetland floating bed, phosphorus and nitrogen removal, scanning electron microscope, waterbody restoration

中图分类号:

X703.1

寇海涛,彭惠靖,曹文平,张卫民,吴浩,李泽兵,曹建平. 湿地式浮床去除营养盐的效果及特性研究[J]. 工业水处理, 2020, 40(7): 70-74.

Haitao Kou,Huijing Peng,Wenping Cao,Weimin Zhang,Hao Wu,Zebing Li,Jianping Cao. Research on the effect and characteristics of nutrient removal by a new combined wetland floating bed[J]. Industrial Water Treatment, 2020, 40(7): 70-74.

https://www.iwt.cn/CN/Y2020/V40/I7/70

图/表 6

图1 湿地式浮床系统结构

图2 COD变化分析

图3 脱氮效果分析

图4 TP浓度变化分析

图5 典型的指示性微生物

图6 基质扫描电镜图

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