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PRETREATMENT APPARATUS FOR ONLINE MEASUREMENT IN AQUEOUS SYSTEM, ONLINE MEASURING APPARATUS INCLUDING THE SAME, AND PRETREATMENT METHOD FOR ONLINE MEASUREMENT
PRETREATMENT APPARATUS FOR ONLINE MEASUREMENT IN AQUEOUS SYSTEM, ONLINE MEASURING APPARATUS INCLUDING THE SAME, AND PRETREATMENT METHOD FOR ONLINE MEASUREMENT
PROBLEM TO BE SOLVED: To reduce maintenance frequency in online measurement by preventing fouling caused by a material having the size of about several millimeters and a fibrous material.;SOLUTION: A pretreatment apparatus for online measurement includes a plurality of lengthy external pressure type hollow fiber membranes for filtering in a cross-flow filtration system, sample water introduced from an aqueous system whose water quality is to be online-measured, which are hollow fiber membranes each having a fixed first end forming a lower end in the used state.;COPYRIGHT: (C)2016,JPO&INPIT
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