Iron chloride waste treatment in molten salt

Details Iron chloride waste treatment in molten salt Iron chloride waste treatment in molten salt

1983-09-06

1985-07-30

Thomas, Earl C.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423155, 423632, 423DIG12, 423633, 405129, C01F 1124, C01G 4902

Patent

active

045321132

ABSTRACT:
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 and separating the resulting iron oxide from the molten CaCl.sub.2.xH.sub.2 O.

REFERENCES:
patent: 1664631 (1928-04-01), Koehler
patent: 1818871 (1931-08-01), Seil
patent: 4120360 (1978-10-01), Messenger
patent: 4142912 (1979-03-01), Young
patent: 4229399 (1980-10-01), Cole et al.
"Treatment of Spent Pickling Liquors with Limestone and Lime"--Hoak et al., Industrial and Engineering Chemistry, Jun. 1945, vol. 37, No. 6.

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