SCALE REMOVING AGENT, SCALE REMOVING METHOD, AND SCALE REMOVING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a scale removing agent for safely and efficiently dissolving and removing scale using a chemical agent gentle in the environment in the removal of the scale generated in geothermal power generation equipment.;SOLUTION: A scale removing agent is characterized by including a tropolone. Silica type scale can be safely and efficiently removed by utilizing a tropolone. Preferably, the scale removing agent contains at least one kind of hydrochloric acid, sulfuric acid and nitric acid and the pH is adjusted to 1-2.;COPYRIGHT: (C)2014,JPO&INPIT