Landfillable composition from iron chloride waste treatment in m

Compositions: coating or plastic – Coating or plastic compositions – Proteinaceous material containing

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423138, 423155, 423633, 405117, 405129, 106 85, 106900, B09B 100, C01F 1106, C22B 100, E02B 706

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046558390

ABSTRACT:
A solid, water impervious landfillable composition of a process for treating iron chloride wastes such as those obtained when chlorinating titanium ore is disclosed. The process involves reacting the iron chlorides with limestone in molten CaCl.sub.2.xH.sub.2 O, where x equals 3-6. The composition comprises CaCl.sub.2.xH.sub.2 O where x is from 3-6 and FeO.sub.Y where Y is from 1.0-1.5 and the weight ratio of CaCl.sub.2.xH.sub.2 O (calculated as CaCl.sub.2.2H.sub.2 O)/FeO.sub.Y is from 1/9-4/1.

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Hoak et al., "Treatment of Spent Pickling Liquors with Limestone and Lime", Jun. 1945, vol. 37, No. 6, pp. 553-559.

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