| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a desulfurization system by which the life of a desulfurization catalyst is elongated. <P>SOLUTION: The desulfurization system is equipped with a desulfurization vessel 20 including the desulfurization catalyst 21 for desulfurizing kerosine before the desulfurization, a heater 22 for heating the desulfurization catalyst 21 and a controller 50 for controlling the heater 22. The controller 50 controls the temperatures T1 to T3 of the desulfurization catalyst 21 so as to be raised by the heater 22 to a preheating temperature T11 lower than the target temperature T14 which is an active temperature of the desulfurization catalyst 21, and thereafter so as to be raised to the target temperature T14. <P>COPYRIGHT: (C)2008,JPO&INPIT |
