Iron nanoparticles can help treat contaminated water – our team of scientists created them out of expired supplements

By Ahmed Ibrahim Yunus, Ph.D. Candidate in Environmental Engineering, Georgia Institute of Technology
Joe Frank Bozeman III, Assistant Professor of Civil and Environmental Engineering and Public Policy, Georgia Institute of Technology

Today, approximately 1,800,000 acres of land in the United States is used for landfill waste disposal. In terms of volume, the U.S alone generated over 290 million tons of solid waste in 2018, an amount equivalent to about 235,000 Olympic-size swimming pools, assuming an average solid waste density of a half ton per cubic meter.

Roughly 9% – about 26 million tons…

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