Controls on zinc uptake from circum-neutral mine drainage in freshwater biofilms

被引：0

作者：

Jones, Ashley ^{[1
]}

Rogerson, Michael ^{[2
]}

Greenway, Gillian ^{[3
]}

Mayes, William M. ^{[1
]}

机构：

[1] Univ Hull, Ctr Environm & Marine Sci, Scarborough YO11 3AZ, England

[2] Univ Hull, Geog Environm & Earth Sci, Kingston Upon Hull HU6 7RX, N Humberside, England

[3] Univ Hull, Dept Chem, Kingston Upon Hull HU6 7RX, N Humberside, England

来源：

RELIABLE MINE WATER TECHNOLOGY: PROCEEDINGS OF THE INTERNATIONAL MINE WATER ASSOCIATION ANNUAL CONFERENCE 2013, VOLS I & II | 2013年

关键词：

Mine water; Biofilm; Remediation; Zinc; Mesocosm; BIOREACTORS; REMOVAL; CALCITE; SCALE;

D O I：

暂无

中图分类号：

TD [矿业工程];

学科分类号：

0819 ;

摘要：

This paper presents results from in vitro flask and flume experiments using freshwater biofilms sourced and cultivated from a mine-impacted stream in North Yorkshire, UK. Flask experiments showed the rapid uptake of Zn from the water column into biofilms. This uptake was not light dependant and suggests chelation of Zn by negatively charged functional groups in extracellular polymeric substances (EPS) secreted within the biofilm are the key sink for Zn. Long term monitoring of flume systems also showed area adjusted removal rates up to 1.2 g Zn m(-2)d(-1) which is consistent with many other biologically-mediated treatment systems.

引用

页码：383 / 389

页数：7

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