Individual ions of gold dispersed on a carbon support are the ideal catalytic species for converting acetylene, a gas derived from coal, into the molecule used to manufacture PVC, report scientists. The discovery comes amid international efforts to phase out acetylene conversion, which relies on a mercury-containing catalyst.

Via:: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/nanotechnology/~3/vKFD4Kr8318/170330142235.htm

Atomic-level activity of green catalyst used in PVC production revealed by researchers

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