Back to Search
Start Over
Effects of Solid-Phase Organic Carbon and Hydraulic Residence Time on Manganese(II) Removal in a Passive Coal Mine Drainage Treatment System
- Source :
- Mine Water and the Environment. 38:130-135
- Publication Year :
- 2018
- Publisher :
- Springer Science and Business Media LLC, 2018.
-
Abstract
- Passive treatment is a cost-effective method for Mn(II) removal from coal mine drainage via microbial oxidation and abiotic sorption/oxidation by Mn oxide (MnOx). Emplacement of solid-phase carbon within passive treatment systems to slowly release organic carbon has been proposed to enhance microbial Mn(II) removal. We tested the effects of wood chips as a solid-phase carbon source on Mn(II) removal efficiency. Both softwood (white pine) and hardwood (red oak) digestion solution (10 mg C/L) inhibited Mn(II) removal due to dissolution and coating of the reactive MnOx surface. Our results indicate that wood chips would not be a suitable solid-phase organic amendment for Mn removal. A strong linear correlation was observed between hydraulic residence time and Mn(II) removal rate.
- Subjects :
- Total organic carbon
Softwood
Hydraulic retention time
chemistry.chemical_element
Sorption
Manganese
010501 environmental sciences
010502 geochemistry & geophysics
Geotechnical Engineering and Engineering Geology
complex mixtures
01 natural sciences
chemistry
Environmental chemistry
Hardwood
Carbon
Dissolution
0105 earth and related environmental sciences
Water Science and Technology
Subjects
Details
- ISSN :
- 16161068 and 10259112
- Volume :
- 38
- Database :
- OpenAIRE
- Journal :
- Mine Water and the Environment
- Accession number :
- edsair.doi...........a07755f7378167980d090b18fa460fcc