PROCESS FOR EPOXIDATION START-UP
A METHOD FOR THE START-UP OF A PROCESS FOR THE EPOXIDATION OF ETHYLENE COMPRISING: INITIATING AN EPOXIDATION REACTION BY REACTING A FEED GAS COMPOSITION CONTAINING ETHYLENE, AND OXYGEN, IN THE PRESENCE OF AN EPOXIDATION CATALYST AT A TEMPERATURE OF ABOUT 180 DEG C. TO ABOUT 210 DEG C.; ADDING TO THE...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
30.06.2016
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Subjects | |
Online Access | Get full text |
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Summary: | A METHOD FOR THE START-UP OF A PROCESS FOR THE EPOXIDATION OF ETHYLENE COMPRISING: INITIATING AN EPOXIDATION REACTION BY REACTING A FEED GAS COMPOSITION CONTAINING ETHYLENE, AND OXYGEN, IN THE PRESENCE OF AN EPOXIDATION CATALYST AT A TEMPERATURE OF ABOUT 180 DEG C. TO ABOUT 210 DEG C.; ADDING TO THE FEED GAS COMPOSITION ABOUT 0.05 PPM TO ABOUT 2 PPM OF MODERATOR; INCREASING THE FIRST TEMPERATURE TO A SECOND TEMPERATURE OF ABOUT 240 DEG C. TO ABOUT 250 DEG C., OVER A TIME PERIOD OF ABOUT 12 HOURS TO ABOUT 60 HOURS; AND MAINTAINING THE SECOND TEMPERATURE FOR A TIME PERIOD OF ABOUT 50 HOURS TO ABOUT 150 HOURS. |
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Bibliography: | Application Number: MY2012PI02389 |