| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing process which allows the production of a 1234yf (2,3,3,3-tetrafluoropropene) product with lower levels of 1225ye (1,2,3,3,3-pentafluoropropene) and/or trifluoropropene, preferably in amounts of less than about 500, and 50 ppm, respectively.SOLUTION: The present invention provides a manufacturing process to produce high purity 1234yf from 245eb, which preferably includes the removal of impurities present in 245eb (1,1,1,2,3-pentafluoropropane) raw material, the dehydrofluorination of 245eb, and the removal of impurities present in final crude product. |
