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Green Chemistry

Travertine builds waste-to-sulfuric acid plant

by Alex Scott
October 27, 2024 | A version of this story appeared in Volume 102, Issue 34
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The Colorado-based start-up Travertine Technologies will build a demonstration plant for its carbon-negative platform for converting mining waste into useful chemicals at Sabin Metal’s site near Rochester, New York. Travertine was one of C&EN’s 10 Start-Ups to Watch in 2022. Its electrochemical process will be used to convert gypsum formerly mined at the site and carbon dioxide from the air into sulfuric acid, hydrogen, and calcium carbonate. Due to start up in mid-2025, the plant is set to meet 50% of Sabin Metal’s requirement for sulfuric acid.

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