| 摘要 |
PROBLEM TO BE SOLVED: To remove fouling in a micro passage efficiently during operation or stopping of a unit operation or reaction operations. SOLUTION: A cleaning method is for a microchemical device 30 which causes two raw-material fluids A and B to pass through fluid supplying passages 34A and 34B, respectively, and join in a single micro passage 32 of an equivalent diameter of≤1 mm and carries out reaction operations or a unit operation. The method comprises causing a cleaning fluid to pass through the micro passage 32 to generate a laminar flow vortex within the micro passage 32 so as to clean the micro passage 32. COPYRIGHT: (C)2007,JPO&INPIT
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