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LG Chem has developed a nonchlorine process for making the chemical intermediate terephthaldehyde. Current terephthaldehyde plants, which are mostly in China and India, use chlorine as a reactant and yield the coproduct hydrochloric acid, LG says. It expects the new process to lower the price of terephthaldehyde by 50% or more. The South Korean company plans to license the technology and start operating its own plant in 2008.
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