Patent ID: 6124252
Filing Date: 2000-09-26
Classification: C11D

Abstract:
A method for forming a multi-purpose scale removal compound comprising:filling a first reactor with 160 liters of softened water;adding 20 kilograms of hydrofluoric acid to the water in the first reactor;agitating the hydroflouric acid and water in the first reactor;adding 20 kilograms of nonyl phenol ethoxylate with 10 moles of ethylene oxide to the first reactor;agitating the nonyl phenol ethoxylate, the ethylene oxide and the agitated hydrofluoric acid and water in the first reactor so as to obtain a uniform solution;adding 182.9 liters of softened water and 17.1 kilograms of said uniform solution to a second reactor; andagitating the softened water and uniform solution.