We are seeking new or improved treatment methods to significantly reduce overall costs of removing metals from water draining from active and abandoned mines. Current lime treatment methods are expensive, produce large amounts of sludge and can take up lots of space. Any improvements to current lime systems or other treatment methods that will produce similar results are welcome.
This is an Ideation Challenge with a guaranteed award for at least one submitted solution.
Mine drainages often contain high concentrations of metals and acid. Neutralization and subsequent precipitation and sludge removal is the most common treatment method utilized to meet acceptable Clean Water Act Standards. Variations of this treatment method are expensive to operate, utilize a lot of space, and often generate a large waste stream with high disposal costs. The mines of interest are at high altitudes with harsh conditions which complicate the problem. Our ideal solution will remove the metals, neutralize the acid and remove any waste at considerably lower cost than today’s acceptable methods.
About the Seeker:
The mission of the Animas River Stakeholders Group (ARSG) is to improve water quality and habitats in the Animas River through a collaborative process designed to encourage participation from all interested parties. Participants include mining companies, environmental organizations, land owners, local governmental entities, and state and federal regulatory and land management agencies. This innovative process holds open meetings allowing all parties to participate at a level suited to their interest and need.
This area has many abandoned draining mines, usually acid mine drainage, from sulfide ore deposits. Most mine sites are above 3030 meters (10,000 feet) elevation in mountains with severe weather conditions. However, if the solution is designed to work under these conditions, it should be applicable to thousands of other draining mines in less severe conditions. Abandoned mine drainage treatment is a worldwide problem. In the US there are tens of thousands of draining abandoned mines. Since these sites generally have no viable responsible party and no existing profitable operation in which to offset costs, it is very desirable to find more cost effective methods of treatment. Ultimately this will lead to improved water quality conditions in receiving water bodies as well as cost savings for the public who generally pays for abandoned mine treatment.
This is an Ideation Challenge, which has the following unique features:
After the Challenge deadline, the Seeker will complete the review process and make a decision with regards to the Winning Solution(s). All Solvers that submitted a proposal will be notified on the status of their submissions; however, no detailed evaluation of individual submissions will be provided.
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In an Ideation™ Challenge, Solvers may:
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