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Recovery of chlorine from ferric chloride.

Authors
Olsen-RS
Source
Recycle and secondary recovery of metals: proceedings of the International Symposium on Recycle and Secondary Recovery of Metals and the Fall Extractive and Process Metallurgy Meeting, December 1-4, 1985, Fort Lauderdale, Florida. Taylor PR, Sohn HY, Jarrett N, eds. Warrendale, PA: Metallurgical Society, 1987 Feb; :771-783
Link
NIOSHTIC No.
10005222
Abstract
Chlorination of ilmenite to produce titanium products results in large quantities of byproduct ferric chloride. This finely divided, deliquescent material is extremely corrosive and presents a difficult waste disposal problem. In particular, it is difficult to transfer accurately and reliably for processing in fluidized-bed operations for chlorine recovery. Compacting ferric chloride into hard, dense pellets reduces its tendency to pick up moisture and allows it to be easily fed into oxidation units where it can be converted to iron oxide and recyclable chlorine. Pelletizing also allows the incorporation of promoters such as sodium chloride and fuels such as carbon or metallic iron within the feed pellets. Bench-scale studies in fluidized-bed oxidation reactors are described and discussed. A product gas containing 80 pct chlorine was produced at 800 deg. C in a reactor where pelletized ferric chloride was fed to the bottom of a fluidized bed of iron oxide.
Keywords
Metallurgical-processes; Metallurgy; Waste-treatment; Metals
Publication Date
19870201
Document Type
OP; Conference/Symposia Proceedings
Editors
Taylor-PR; Sohn-HY; Jarrett-N
Fiscal Year
1987
NTIS Accession No.
NTIS Price
ISBN No.
9780873390071
Identifying No.
OP 82-86
NIOSH Division
ALRC
Source Name
Recycle and secondary recovery of metals: proceedings of the International Symposium on Recycle and Secondary Recovery of Metals and the Fall Extractive and Process Metallurgy Meeting, December 1-4, 1985, Fort Lauderdale, Florida
State
OR; PA
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