Clearwater BioLogic LLC- Energy, Clean Tech & Water Division Semifinalist

Meet Clearwater BioLogic LLC - one of the 10 Semifinalists in MN Cup’s Energy, Clean Tech & Water Division!  Discover the other Minnesota Cup Semifinalists by browsing our blog and site.

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Clearwater BioLogic LLC’s product is a sulfate-reducing Bioremediation Technology developed to reduce sulfate concentrations in mining-affected water-bodies. When sulfur-bearing minerals are exposed to air and water, they chemically weather to produce aqueous sulfate. Their technology uses biological processes to "consume" the sulfates. On the Minnesota Iron Range alone, the potential economic impacts of elevated sulfate concentrations could cause the loss of thousands of jobs. A variety of methods exist for decreasing sulfate concentrations but, before the development of the Clearwater Biologic solution, most have been found to be too expensive, energy-intensive, and mechanistically complex for application in taconite mining.