A northern Minnesota company says it’s developed a natural, cheap technology to reduce heavy metal contamination in waterways.
American Peat Technology applies processed granulized peat to plants to help draw nitrogen from the air and reduce the need for fertilizer, Minnesota Public Radio reported . The company harvests and processes peat in Aitkin.
Reed-sedge peat is also capable of extracting metals from water, said Doug Green, the company’s CEO. The company is also working on a proprietary method that uses peat to capture sulfates in water, he said.
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