标题：Performance of an Ultraviolet Mutagenetic Polyphosphate-Accumulating Bacterium PZ2 and Its Application for Wastewater Treatment in a Newly Designed Constructed Wetland作者：Tian, Jiang; Yu, Chenlei; Liu, Jiafeng; Ye, Chaoran; Zhou, Xiangjun;Chen, Lanzhou

来源出版物：APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY卷：181 期：2 页码：735-747 DOI：10.1007/s12010-016-2245-y 出版年：FEB 2017

摘要：Total phosphorus (TP) removal performance and application for wastewater treatment of polyphosphate-accumulating bacteria (PAB) in constructed wetlands (CWs) were investigated. In this study, a novel isolated ultraviolet (UV) mutant PZ2 with phosphate-accumulating ability was screened from domestic wastewater and identified as Pseudomonas putida by 16S ribosomal DNA (rDNA) sequencing analysis. The TP removal performance of PZ2 in the synthetic wastewater reached the highest of 93.95 % within 45 h. Two vertical subsurface flow CWs planted with two aquatic macrophytes Canna indica and Acorus calamus were newly designed. After inoculating PZ2 into two CWs within 45 h, the average chemical oxygen demand (COD), TP, and ammonia-nitrogen (NH3-N) removal efficiencies reached 68.50, 60.22, and 66.81 %, respectively. Vegetation type and filter size significantly influenced the TP removal capability of PZ2 in CWs. Meanwhile, considerable qualitative differences were found in the pollutant removal efficiencies of PZ2 with and without CWs in synthetic wastewater. These results could also indicate potential applications of the UV mutagenesis in PAB isolation and the newly designed CWs in wastewater treatments.

入藏号：WOS:000394219200021

文献类型：Article

语种：English

作者关键词：Ultraviolet mutant, Polyphosphate-accumulating bacterium, Total phosphorus removal, Constructed wetland, Wastewater treatment

扩展关键词：BIOLOGICAL PHOSPHORUS REMOVAL; SUBSURFACE FLOW; CONFIGURATION; COMMUNITIES; ORGANISMS; NITROGEN; IMPACTS; MODEL; SIZE

通讯作者地址：Chen, LZ (reprint author), Wuhan Univ, Sch Resource & Environm Sci, Hubei Key Lab Biomass Resources Chem & Environm B, Wuhan 430079, Hubei Province, Peoples R China.

电子邮件地址：chenlz@whu.edu.cn

地址：

[Tian, Jiang; Yu, Chenlei; Liu, Jiafeng; Ye, Chaoran; Zhou, Xiangjun; Chen, Lanzhou] Wuhan Univ, Sch Resource & Environm Sci, Hubei Key Lab Biomass Resources Chem & Environm B, Wuhan 430079, Hubei Province, Peoples R China.

研究方向：Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology

ISSN：0273-2289

eISSN: 1559-0291

影响因子：1.606