| 摘要 |
PROBLEM TO BE SOLVED: To provide a dehydration apparatus constituted so as to keep the rate of operation of a plant equipped with the dehydration apparatus using a water separation membrane by making it possible to replace a water separation membrane unit while operating the plant. SOLUTION: At least two or more water separation membrane units 1-5 during use are provided in parallel to the flow direction of a fluid to be treated, at least one preparatory water separation membrane unit 5 can be installed in parallel to the flow direction of the fluid to be treated with respect to at least two or more water separation membrane units 1-4, monitor devices 8, 9-13 of an extracted fluid product are provided and the preparatory water separation membrane unit 5 is operated corresponding to the properties of the fluid product monitored by the monitor devices 8, 9-13 to keep the properties of the fluid product. COPYRIGHT: (C)2009,JPO&INPIT |
