Claims
- 1. A composition for inhibiting the formation of iron oxide containing deposits on the surfaces of heating devices during fluxed iron ore pellet calcination comprising an aqueous solution containing a water soluble salt of a magnesium compound in an amount effective for inhibiting the formation of iron oxide-containing deposits, a surfactant selected from the group consisting of ethoxylated alkylphenols, phosphate esters and nonionic glucosides, and a calcium salt inhibitor selected from the group consisting of 2-phosphonobutane-1,2,4-tricarboxylic acid and 1-hydroxyethylene-1,1-diphosphonic acid.
- 2. The composition as recited in claim 1 wherein said salt of a magnesium compound is magnesium nitrate.
- 3. The composition as recited in claim 1 wherein said salt of a magnesium compound is selected from the group consisting of magnesium acetate, magnesium sulfate and magnesium chloride.
- 4. The composition as recited in claim 1 wherein said ethoxylated alkylphenol is an ethoxylated nonylphenol.
Parent Case Info
This is a divisional of application Ser. No. 08/455,000 filed May 31, 1995 now U.S. Pat. No. 5,656,062.
US Referenced Citations (7)
Divisions (1)
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Number |
Date |
Country |
Parent |
455000 |
May 1995 |
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