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Received June 12, 2008
Accepted October 23, 2008
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Effects of promoter and moisture on the deactivation of FSO3H catalyst in the synthesis of HFC-152a by hydrofluorination of acetylene
School of Chemical and Biological Engineering, Seoul National University (SNU), Gwanangro 599, Gwanak-gu, Seoul 151-744, Korea 1Energy and Environment Research Division, Korea Institute of Science and Technology (KIST), 39-1 Hawolgok-dong, Seongbuk-gu, Seoul 136-791, Korea
Korean Journal of Chemical Engineering, May 2009, 26(3), 702-704(3), 10.1007/s11814-009-0117-7
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Abstract
The effects of promoter type and moisture on the catalytic activity of fluorosulfonic acid (FSO3H) as a liquid catalyst for the synthesis of HFC-152a by the hydrofluorination of acetylene were investigated. The catalyst containing SnCl4 as a promoter had a long catalyst lifetime compared to that without any promoter. It was also found that the composition of HFC-152a can be maintained at 100% for a long time by the control of the moisture content.
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