| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cleaning method of a drainpipe for completely removing oil and fat contents and organic matters deposited inside the pipe. <P>SOLUTION: In a cleaning method of the drainpipe 10 for removing oil and fat contents or the like stuck to an inner surface of the drainpipe 10, by injecting alkali ion water into the pipe as cleaning liquid and inserting a cleaning auxiliary tool 5 into the pipe, the oil and fat contents or the like are wiped off and removed. Further, the alkali ion water is generated by dissolving crystalline clay minerals further in each alkaline and acidic ion water obtained by electrolyzing raw material water in which the crystalline clay minerals are dissolved, supplying each ion water to a prescribed electrode side and executing electrolyzing processing. <P>COPYRIGHT: (C)2012,JPO&INPIT |
