LEAD SCALE CLEANING METHOD, AND METHOD FOR CLEANING LEAD SCALE OF EXHAUST TREATMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method for cleaning the lead scale of an exhaust treatment device at a high removal rate.;SOLUTION: The present invention provides a method for cleaning the lead scale of an exhaust treatment device characterized by cleaning, with a cleaning fluid comprising a chelator, lead scale comprising lead sulfate adhering to a treatment device for exhaust comprising lead and sulfurous acid gas generated from nonferrous metal refining.;SELECTED DRAWING: None;COPYRIGHT: (C)2017,JPO&INPIT