Biological manganese oxidation by Pseudomonas putida in trickling filters

被引：21
|
作者：
McKee, Kyle P. [1 ]
Vance, Cherish C. [1 ]
Karthikeyan, Raghupathy [1 ]
机构：
[1] Texas A&M Univ, Dept Biol & Agr Engn, College Stn, TX 77845 USA
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2016年 / 51卷 / 07期
基金：
美国国家科学基金会;
关键词：
trickling filter; manganese oxidation; Biological treatment; REMOVAL; WATER; IRON; BIOFILMS;
D O I：
10.1080/10934529.2016.1141618
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Biological oxidation has been researched as a viable alternative for treating waters with high manganese (Mn) concentrations, typically found in mine drainage or in some geological formations. In this study, laboratory-scale trickling filters were constructed to compare the Mn removal efficiency between filters inoculated with the Mn oxidizing bacteria, Pseudomonas putida, and filters without inoculation. Manganese oxidation and removal was found to be significantly greater in trickling filters with Pseudomonas putida after startup times of only 48h. Mn oxidation in Pseudomonas putida inoculated trickling filters was up to 75% greater than non-inoculated filters. One-dimensional advective-dispersive models were formulated to describe the transport of Mn in trickling filter porous media. Based on the experimental transport parameters obtained, the model predicted that a filter depth of only 16cm is needed to reduce influent concentration of 10mg L-1 to 0.05mg L-1.
引用
收藏
页码：523 / 535
页数：13
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