Trace additive cleans up Fischer-Tropsch synthesis

Trace Additive Cleans Up Fischer-Tropsch Synthesis

A dash of bromomethane curbs carbon dioxide emissions from an industrial process used to make olefins from syngas.

By Mark Peplow, special to C&EN, the latest chemistry news includes important research advances.

Fischer-Tropsch Process

For almost a century, the industrial Fischer-Tropsch (FT) process has been used to convert syngas—a blend of carbon monoxide and hydrogen—to liquid hydrocarbons.

Breakthrough Discovery

Researchers in China have discovered that adding a trace of bromomethane to syngas can almost eliminate unwanted carbon dioxide emissions from the process while increasing the output of valuable olefins.

As reported in Science 2025, DOI: 10.1126/science.aea1655.

Author summary: Bromomethane reduces CO2 emissions.

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C&EN C&EN — 2025-10-31

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