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Scientific American

November 1, 1995

1 min read

Sewage Treatment Plants

Algae offer a cheaper way to clean up wastewater

By W. Wayt Gibbs

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W. Wayt Gibbs is a contributing editor for Scientific American based in Seattle. He also works as a scientific editor at Intellectual Ventures.

More by W. Wayt Gibbs

This article was originally published with the title “Sewage Treatment Plants” in Scientific American Magazine Vol. 273 No. 5 (November 1995), p. 42
doi:10.1038/scientificamerican1195-42

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