Bioreactor for acid mine drainage control
Abstract
A bioreactor for reacting an aqueous heavy metal and sulfate containing mine drainage solution with sulfate reducing bacteria to produce heavy metal sulfides and reduce the sulfuric acid content of the solution. The reactor is an elongated, horizontal trough defining an inlet section and a reaction section. An inlet manifold adjacent the inlet section distributes aqueous mine drainage solution into the inlet section for flow through the inlet section and reaction section. A sulfate reducing bacteria and bacteria nutrient composition in the inlet section provides sulfate reducing bacteria that with the sulfuric acid and heavy metals in the solution to form solid metal sulfides. The sulfate reducing bacteria and bacteria nutrient composition is retained in the cells of a honeycomb structure formed of cellular honeycomb panels mounted in the reactor inlet section. The honeycomb panels extend upwardly in the inlet section at an acute angle with respect to the horizontal. The cells defined in each panel are thereby offset with respect to the honeycomb cells in each adjacent panel in order to define a tortuous path for the flow of the aqueous solution.
- Inventors:
-
- Butte, MT
- Issue Date:
- Research Org.:
- MSE INC
- OSTI Identifier:
- 874144
- Patent Number(s):
- 6325923
- Assignee:
- MSE Technology Applications, Inc. (Butte, MT)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- DOE Contract Number:
- AC22-96EW96405
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- bioreactor; acid; mine; drainage; control; reacting; aqueous; heavy; metal; sulfate; containing; solution; reducing; bacteria; produce; sulfides; reduce; sulfuric; content; reactor; elongated; horizontal; trough; defining; inlet; section; reaction; manifold; adjacent; distributes; flow; nutrient; composition; provides; metals; form; solid; retained; cells; honeycomb; structure; formed; cellular; panels; mounted; extend; upwardly; acute; angle; defined; panel; offset; define; tortuous; path; aqueous solution; sulfuric acid; structure formed; reducing bacteria; /210/
Citation Formats
Zaluski, Marek H, and Manchester, Kenneth R. Bioreactor for acid mine drainage control. United States: N. p., 2001.
Web.
Zaluski, Marek H, & Manchester, Kenneth R. Bioreactor for acid mine drainage control. United States.
Zaluski, Marek H, and Manchester, Kenneth R. Mon .
"Bioreactor for acid mine drainage control". United States. https://www.osti.gov/servlets/purl/874144.
@article{osti_874144,
title = {Bioreactor for acid mine drainage control},
author = {Zaluski, Marek H and Manchester, Kenneth R},
abstractNote = {A bioreactor for reacting an aqueous heavy metal and sulfate containing mine drainage solution with sulfate reducing bacteria to produce heavy metal sulfides and reduce the sulfuric acid content of the solution. The reactor is an elongated, horizontal trough defining an inlet section and a reaction section. An inlet manifold adjacent the inlet section distributes aqueous mine drainage solution into the inlet section for flow through the inlet section and reaction section. A sulfate reducing bacteria and bacteria nutrient composition in the inlet section provides sulfate reducing bacteria that with the sulfuric acid and heavy metals in the solution to form solid metal sulfides. The sulfate reducing bacteria and bacteria nutrient composition is retained in the cells of a honeycomb structure formed of cellular honeycomb panels mounted in the reactor inlet section. The honeycomb panels extend upwardly in the inlet section at an acute angle with respect to the horizontal. The cells defined in each panel are thereby offset with respect to the honeycomb cells in each adjacent panel in order to define a tortuous path for the flow of the aqueous solution.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2001},
month = {1}
}