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Bayer Implements Sumitomo Cl2 Process
by Jean-François Tremblay
November 24, 2008
| A version of this story appeared in
Volume 86, Issue 47
Bayer MaterialScience will build a chlorine recovery unit in Shanghai that uses technology licensed from Sumitomo Chemical. The recycling plant will work in tandem with a 250,000-metric-ton-per-year toluene diisocyanate (TDI) plant that Bayer is building at the site. Using catalytic oxidation, the Sumitomo process converts hydrogen chloride, a by-product of making TDI, into chlorine, which that then is fed back into the TDI unit as a raw material. Bayer expects its TDI plant to come on-line in 2010.
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